Vegetable IPM Updates Archive (ACIS)






Insect Management Diseases Weed Science Question of the Week Production Updates General Veggie Updates Areawide Insect Trapping Network Previous Advisories

Insect Management:
Aphids in Leafy Vegetables (Jan. 13, 2010) more Western Flower Thrips in Desert Lettuce (Jan. 27, 2010) more Alternative for Aphid Control (Feb. 10, 2010) more Worm Activity Increasing (Feb. 24, 2010) more Late-season Thrips Control (Mar. 10, 2010) more The Bagrada Bug, a New Invasive Pest of Cole Crops (Mar. 24, 2010) more EPA Final Cancellation Order for Spirotetramat (Movento) (Apr. 7, 2010) more They're Back! (Apr. 21, 2010) more Weather and Insects (May 5, 2010) more Whitefly Management on Spring Melons (May 19, 2010) more Insecticide Usage in Head Lettuce (Jun. 2, 2010) more EPA to Cancel Endosulfan in Vegetables and Melons (Jun. 16, 2010) more Bagrada Bug Update: Summer Populations (Jul. 14, 2010) more Area-wide Incidence of Whiteflies and CYSDV in Desert Melons (Jul. 28, 2010) more Insect Pests of Leafy Vegetables and Melons at Stand Establishment (Aug. 11, 2010) more Whitefly Management on Fall Vegetables (Aug. 25, 2010) more Bagrada Bug Management Tips for the Low Desert (Sept. 8, 2010) more Management of Armyworm and Loopers in Fall Produce (Sept. 22, 2010) more Bagrada Bug Update (Oct. 6, 2010) more Movento Registered, Again (Oct. 20, 2010) more Leafminer Management on Fall Lettuce (Nov. 3, 2010) more Aphid ID in Leafy Vegetables (Nov. 17, 2010) more Management Tips for Insects in Desert Vegetables (Dec. 1, 2010) more Best Management Practices for Pest Control in Vegetables (Jan. 12, 2011) more Seed Corn Maggots in Spring Melon Plantings (Jan. 26, 2011) more Alternatives for Aphid Management in Desert Produce (Feb. 9, 2011) more Thrips Management in Desert Produce (Feb. 23, 2011) more Bagrada Bug Seasonal Activity (Mar. 9, 2011) more Winter Weather: Impact on Produce Pests this Year (Mar. 23, 2011) more Insecticide Modes of Action on Desert Vegetables (Apr. 6, 2011) more Insect Losses and Insecticide Usage in Head Lettuce (Apr. 20, 2011) more Whitefly Management on Spring Melons (May 4, 2011) more Insecticide Usage in Head Lettuce, 2010-2011 (May 18, 2011) more Insect Losses and Insecticide Usage in Spring Melons (Jun. 1, 2011) more Whitefly Management (Jun. 15, 2011) more Impact of Bagrada Bug on Desert Cole Crops in 2010 (Jun. 29, 2011) more Area-wide Incidence of Whiteflies and CYSDV in Desert Melons (Jul. 13, 2011) more Important Insect Pests at Stand Establishment in Fall Melons (Jul. 27, 2011) more IRM Guidelines for Beet Armyworm in Lettuce (Aug. 10, 2011) more Bagrada Bug Control on Desert Cole Crops (Aug. 24, 2011) more Whitefly Management on Fall Vegetables and Melons (Sep. 7, 2011) more Insecticide Pre-mixtures and Insect Management (Sep. 21, 2011) more Beet Armyworm and Cabbage Loopers in Fall Produce (Oct. 5, 2011) more Bagrada Bugs Finally Arrive (Oct. 19, 2011) more Leafminer Management on Fall Lettuce (Nov. 2, 2011) more Aphid ID in Leafy Vegetables (Nov. 16, 2011) more Winter Weather and Insects in Desert Vegetables (Nov. 30, 2011) more Green Peach Aphids Beginning to Show Up in Desert Lettuce (Dec. 14, 2011) more Foxglove Aphids Beginning to Colonize Desert Produce (Jan. 11, 2012) more Seed Corn Maggots in Spring Melon Plantings (Jan. 25, 2012) more Aphid Control in Desert Produce (Feb. 8, 2012) more Western Flower Thrips in Spring Produce Crops (Feb. 22, 2012) more Lettuce Aphids Showing Up (Mar. 7, 2012) more Winter Weather: Impact on Produce Pests This Year (Mar. 21, 2012) more Lettuce Insect, Disease and Weed Losses Workshop - Apr 11 (Apr. 4, 2012) more Whitefly Management on Spring Melons (Apr. 18, 2012) more Insect and Weed Interactions in Vegetable Crops (May 2, 2012) more Insecticide Usage in Head Lettuce (May 16, 2012) more Impact of Bagrada Bug on Desert Cole Crops in 2010-2011 (May 30, 2012) more Planning Now for Whitefly Management on Fall Produce and Melons (June 13, 2012) more Alternatives to Endosulfan for Whitefly/CYSDV Management in Fall Melons (June 27, 2012) more Whitefly / CYSDV Management Meeting, July 19, 2012 (July 11, 2012) more Important Insect Pests at Stand Establishment in Fall Melons (July 25, 2012) more IRM Guidelines for Lepidopterous Larvae in Lettuce (Aug. 8, 2012) more Bagrada Bug Management Tips on Desert Cole Crops (Aug. 22, 2012) more Whitefly Management on Fall Produce (Sep. 5, 2012) more Bagrada Bugs - they're back again and heavier than ever (Sep. 19, 2012) more Beet Armyworm and Cabbage Loopers in Fall Produce (Oct. 3, 2012) more Leafminer Management on Fall Lettuce (Oct. 17, 2012) more Aphid ID in Leafy Vegetables (Oct. 31, 2012) more Aphid Management on Lettuce Using Imidacloprid and Foliar Insecticides (Nov. 14, 2012) more Pest Pressure on Desert Produce and Melon Cops in 2012 (Nov. 28, 2012) more Weather and Spring Insect Populations (Jan. 9, 2013) more Seed Corn Maggots in Spring Melon Plantings (Jan. 23, 2013) more Western Flower Thrips Populations Beginning to Build (Feb. 6, 2013) more Foxglove Aphids Showing Up in Desert Produce (Feb. 20, 2013) more Integrated Pest Management in Vegetables (March 6, 2013) more Winter Weather and Produce Pests (March 20, 2013) more Insecticide Modes of Action on Desert Produce and Melons (April 3, 2013) more Whitefly Management on Spring Melons (April 17, 2013) more Spider Mites on Melons (May 1, 2013) more Whitefly Management on Spring Melons - Part II (May 15, 2013) more Impact of Bagrada Bug on Desert Cole Crops from 2010-2012 (May 29, 2013) more Control of Bagrada Bug with Insecticides (June 12, 2013) more Planning Ahead for Whitefly Management on Fall Produce and Melon Crops (June 26, 2013) more Insect and Weed Interactions in Vegetable Crops (July 10, 2013) more Area-wide Incidence of Whiteflies and CYSDV (July 24, 2013) more Important Insect Pests at Stand Establishment in Fall Melon and Produce Crops (August 7, 2013) more Bagrada Bug Management on Desert Cole Crops (August 21, 2013) more Whitefly Management on Fall Produce (September 4, 2013) more Beet Armyworm and Cabbage Loopers in Fall Produce (September 18, 2013) more IRM Guidelines for Lepidopterous Larvae in Lettuce (October 2, 2013) more Insect Activity Remains Steady (October 16, 2013) more Aphid ID in Leafy Vegetables (October 30, 2013) more Aphid Management on Lettuce Using Soil and Foliar Insecticides (November 13, 2013) more Fall Pest Pressure on Desert Vegetable Crops (November 27, 2013) more New Insecticide Chemistry on Desert Produce and Melons (December 11, 2013) more Aphid ID in Leafy Vegetables 2014 (January 8, 2014) more Seed Corn Maggots in Spring Melon Plantings (January 22, 2014) more Insect Activity Picking-up in Desert Produce (February 5, 2014) more Aphid Control in Desert Lettuce (February 19, 2014) more Western Flower Thrips in Spring Produce Crops (March 5, 2014) more Winter Weather and Produce Pests – 2013 (March 19, 2014) more Insecticide Modes of Action on Desert Produce and Melons (April 2, 2014) more Lettuce Insect Losses and Insecticide Usage (April 16, 2014) more Whitefly Management on Spring Melons (April 30, 2014) more Using Insecticides to Control Whiteflies in Spring Melons (May 14, 2014) more Trends in Insecticide Usage on Arizona Lettuce (May 28, 2014) more Impact of Bagrada Bug on Desert Cole Crops from 2010-2013 (June 11, 2014) more Seen Any Bagrada Bugs Lately? (June 25, 2014) more Invasive Species Workshop (July 9, 2014) more Management Guidelines for Whiteflies and CYSDV on Fall Melons (July 23, 2014) more Insect Pests Important at Stand Establishment in Fall Crops (August 6, 2014) more IRM Guidelines for Beet Armyworm in Lettuce (August 20, 2014) more Whitefly Management on Fall Produce (September 3, 2014) more Bagrada Bug Management on Desert Cole Crops (September 17, 2014) more Beet Armyworm and Cabbage Loopers in Fall Produce (October 1, 2014) more Leafminer Management on Fall Lettuce (October 15, 2014) more Thrips on Fall Lettuce (October 29, 2014) more Aphid Movement in Leafy Vegetables (November 12, 2014) more Fall Pest Pressure on Desert Vegetable Crops (November 26, 2014) more Recent Insecticide Registrations on Desert Produce and Melons (December 10, 2014) more Keep on the lookout for colonizing aphids (January 7, 2015) more Seed Corn Maggots in Spring Melons (January 21, 2015) more Insect Activity / Regulatory Update (February 4, 2015) more Corn Earworm in Spring Head lettuce (February 18, 2015) more Thrips in Spring Produce Crops (March 4, 2015) more Insecticide Modes of Action on Desert Produce and Melons (March 18, 2015) more Lettuce Insect Losses and Insecticide Usage (April 1, 2015) more Using Insecticides to Control Whiteflies in Spring Melons (April 29, 2015) more Impact of Bagrada Bug on Desert Cole Crops from 2010-2014 (May 13, 2015) more Be on the Look-out For a New Whitefly-Transmitted Virus on Cucurbits (May 27, 2015) more Insecticide Usage on Arizona Lettuce, 2015 (June 10, 2015) more Proposed EPA Labels Changes Could Impact Desert Crops (June 24, 2015) more Management Guidelines for Whiteflies and CYSDV on Fall Melons (July 8, 2015) more Clothianidin Seed Treatment for Bagrada Control (July 22, 2015) more A Multi-Crop Discussion on Chemical Use Maps for Whitefly Resistance Management (August 5, 2015) more Managing Insect Pests During Stand Establishment (August 19, 2015) more Whitefly Management on Fall Produce (September 2, 2015) more Bagrada Bug Management on Desert Cole Crops (September 16, 2015) more WORMS in Fall Produce (September 30, 2015) more Corn Earworm in Fall Head lettuce (October 14, 2015) more Insect Pressure of Fall Produce Crops (October 28, 2015) more Aphids in Desert Vegetables(November 11, 2015) more Sulfoxaflor Cancelled for use in Winter Vegetables (November 25, 2015) more Recap of Fall Pest Pressure on Desert Vegetable Crops (December 9, 2015) more Be Vigilant When Scouting for Aphids (January 6, 2016) more Begin Planning for Seed Corn Maggots in Spring Melons (January 20, 2016) more Thrips Populations Are Building on Spring Produce (February 3, 2016) more Corn Earworm in Late Spring Head Lettuce (February 17, 2016) more Thrips, Aphids and Worms in Late Produce Crops (March 2, 2016) more Insecticide Modes of Action and Resistance Management (March 16, 2016) more Leafminer Management on Spring Melons (March 30, 2016) more Lettuce Insect, Disease and Weed Losses Workshop (April 13, 2016) more Whitefly Management on Spring Melons (April 27, 2016) more Insect and Weed Interactions in Desert Crops (May 11, 2016) more Impact of Bagrada Bug on Desert Cole Crops, 2010-2015 (May 25, 2016) more Insecticide Usage on Desert Lettuce, 2016 (June 8, 2016) more Sanitation and Summer Whitefly Management (June 22, 2016) more Pest Status and Economic Losses to Insects in Desert Lettuce: A 12-year Summary (July 6, 2016) more Management Guidelines for CYSDV on Fall Melons (July 20, 2016) more Regulatory Update for Desert Produce Crops (August 3, 2016) more Insect Pests during Stand Establishment on Fall Crops (August 17, 2016) more Bagrada Bug Management in the Desert (August 31, 2016) more Whitefly Management on Fall Produce (September 14, 2016) more Worms in Fall Produce Crops (September 28, 2016) more Fall Insect Activity Remains Erratic (October 12, 2016) more Diamondback Moth Control and Resistance Management (October 26, 2016) more Aphid Movement in Desert Vegetables (November 9, 2016) more Sulfoxaflor Now Available for Use in Winter Vegetables (November 23, 2016) more 2016 Pest Pressure on Fall Produce and Melon Crops (December 7, 2016) more Areawide Diamondback Moth Trapping Network Established in Yuma (January 11, 2017) more Colonizing Green Peach and Foxglove Aphids Beginning to Show Up (January 25, 2017) more Plan Ahead for Seed Corn Maggots in Spring Melons (February 8, 2017) more Don’t Forget about Corn Earworm in Head Lettuce (February 21, 2017) more Key Pest Activity in Late Produce Crops (March 8, 2017) more Liriomyza Leafminer Management on Spring Melons (March 22, 2017) more Lettuce Crop Losses Workshop, Wednesday April 12 (April 5, 2017) more Whiteflies on Spring Melons (April 19, 2017) more Insecticide Modes of Action and Resistance Management (May 2, 2017) more Bagrada Bug on Desert Cole Crops: Seven Years After the Outbreak (May 17, 2017) more Insecticide Usage on Arizona Lettuce, 2016-17 (May 31, 2017) more Cultural Control of Whiteflies During the Summer (June 14, 2017) more Impact of Diamondback Moth on Arizona Cole Crops: 2017 Survey Results (June 28, 2017) more Management Guidelines for CYSDV on Fall Melons (July 12, 2017) more Preparing for Fall Plantings: Insect / Weed Interactions (July 26, 2017) more Weather and Pest Management (August 9, 2017) more Seedling Pests on Produce and Melon Crops at Stand Establishment (August 23, 2017) more Diamondback Moth is Back in the Desert (September 6, 2017) more Bagrada Bug Management on Fall Brassicas (September 20, 2017) more Diamondback Moth in the Desert – Status and Update (October 4, 2017) more Aphid Showing Up Early on Fall Produce Crops (October 18, 2017) more Corn Earworm in Head lettuce (November 1, 2017) more Diamondback Moth Update (November 15, 2017) more Aphid Management on Lettuce Using Imidacloprid and Foliar Insecticides (November 29, 2017) more Review of Pest Pressure on Fall Produce and Melon Crops – 2017 (December 13, 2017) more Be Vigilant When Scouting for Aphids (January 10, 2018) more Avoiding Seed Corn Maggots in Spring Melons (January 24, 2018) more Thrips Populations Are Ahead of Schedule (February 7, 2018) more Foxglove Aphids Beginning to Show Up (February 21, 2018) more Pest Activity in Late Produce Crops (March 7, 2018) more Insecticide Modes of Action and Resistance Management (March 21, 2018) more Leafminer Management on Spring Melons (April 4, 2018) more Whiteflies on Spring Melons (April 18, 2018) more Spider Mites on Melons (May 2, 2018) more Insect and Weed Interactions in Desert Crops (May 16, 2018) more Status of Bagrada Bug on Desert Cole Crops (May 30, 2018) more Insecticide Usage on Arizona Lettuce, 2017-18 (June 13, 2018) more Sanitation and Summer Whitefly Management (June 27, 2018) more Management Guidelines for Whiteflies and CYSDV on Fall Melons (July 11, 2018) more Preparing for Fall Plantings: Insect / Weed Interactions (July 25, 2018) more Seedling Pests on Fall Crops at Stand Establishment (August 8, 2018) more Diamondback Moth on Arizona Cole Crops: 2018 Survey Results (August 22, 2018) more Guidelines for Diamondback Moth Management (September 5, 2018) more Bagrada Bug Management on Fall Brassicas (September 19, 2018) more Status of Key Insect Pests in Desert Produce and Melons (October 3, 2018) more Be Aware of Corn Earworm in Head Lettuce (October 17, 2018) more Insect Pressure of Fall Produce Crops (October 31, 2018) more Aphid Movement in Desert Vegetables (November 14, 2018) more Review of Pest Pressure on Fall Produce and Melon Crops (December 12, 2018) more Keep an Eye Out for Aphids (January 9, 2018) more Avoiding Seed Corn Maggots in Spring Melons (February 6, 2019) more Biopesticides in Desert Produce Crops (February 20, 2019) more Pest Activity in Spring Produce Crops (March 6, 2019) more Insecticide Modes of Action and Resistance Management (March 20, 2019) more Lettuce Aphids Showing Up on Late (April 3, 2019) more Whiteflies Management on Spring Melons (April 17, 2019) more Twospotted Spider Mites on Melons (May 1, 2019) more Weeds Can Influence Insect Management (May 15, 2019) more Update on Bagrada Bug on Desert Cole Crops (May 29, 2019) more Insecticide Usage on Arizona Lettuce (June 12, 2019) more Pest Status and Economic Losses to Insects in Desert Lettuce (June 26, 2019) more Sanitation and Summer Whitefly Management (July 10, 2019) more Management Guidelines for Whiteflies and CYSDV on Fall Melons (July 24, 2019) more Seedling Pests at Stand Establishment (August 7, 2019) more Seen Any Bagrada Bugs Lately? (August 21, 2019) more Diamondback Moth on Arizona Cole Crops: 2018-19 Survey Results (September 4, 2019) more They’re Back……….Let the Produce Season Begin (September 18, 2019) more Worm Management in Fall Produce Crops (October 2, 2019) more They’re Really Back…….Bagrada Pressure Building (October 16, 2019) more Don’t Forget about Resistance Management (October 30, 2019) more Seasonal Aphid Movement in Desert Vegetables (November 13, 2019) more Weather Influences Desert Insect Pests (November 27, 2019) more A Review of Pest Pressure on Produce and Melon Crops – Fall 2019 (December 11, 2019) more Be Extra Vigilant in Scouting for Aphids (January 8, 2020) more
Diseases:
Lettuce Dieback (Jan. 13, 2010) more Downy Mildew (Jan. 27, 2010) more Lettuce Drop (Feb. 10, 2010) more Gray Mold (Feb. 24, 2010) more Lettuce Mildews (Mar. 10, 2010) more Fusarium Wilt of Leafy Greens: Managing a Challenging Disease (Mar. 24, 2010) more Soil Solarization (Apr. 7, 2010) more Melon Powdery Mildew (Apr. 21, 2010) more Managing Powdery Mildew on Melons (May 5, 2010) more Update on Management of Powdery Mildew on Melons (May 19, 2010) more Melon Powdery Mildew (Jun. 2, 2010) more Summer Preplant Soil Flooding for Management of Lettuce Drop (Jun. 16, 2010) more Soil Solarization (Jun. 30, 2010) more Plant Disease Resistance (Jul. 14, 2010) more Physical Barriers to Plant Diseases (Jul. 28, 2010) more Chemical Barriers to Plant Diseases (Aug. 11, 2010) more Successfully Managing Lettuce Drop (Aug. 25, 2010) more Lettuce Drop (Sept. 8, 2010) more Phytophthora Blight of Pepper (Sept. 22, 2010) more Melon Powdery Mildew (Oct. 6, 2010) more Fusarium Wilt on Lettuce (Oct. 20, 2010) more Comparison of two Lettuce Wilt Diseases (Nov. 3, 2010) more Significance of the Environment on Disease Development (Nov. 17, 2010) more Plant Pathogen Resistance to Fungicides (Dec. 1, 2010) more Botrytis Leaf Blight on Onions (Dec. 15, 2010) more Lettuce Drop: Aerial Infection (Jan. 12, 2011) more Lettuce Dieback (Jan. 26, 2011) more Freeze and Chilling Injury (Feb. 9, 2011) more Downy Mildew (Feb. 23, 2011) more Gray Mold (Mar. 9, 2011) more Lettuce Powdery Mildew (Mar. 23, 2011) more Persistence of Sclerotinia (Apr. 6, 2011) more Melon Powdery Mildew (Apr. 20, 2011) more Managing Powdery Mildew on Melons (May 4, 2011) more Management Considerations for Lettuce Drop (May 18, 2011) more Plant Resistance or Tolerance to Disease (Jun. 1, 2011) more Pythium Linked to Sudden Wilt and Death of Watermelon Plants (Jun. 15, 2011) more Soil Solarization (Jun. 29, 2011) more Summer Preplant Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop (Jul. 13, 2011) more Plant Pathogen Survival in the Desert (Jul. 27, 2011) more Plant Disease Resistance (Aug. 10, 2011) more Chemicals as Plant Disease Inhibitors (Aug. 24, 2011) more Soil-borne Lettuce Pathogens (Sep. 7, 2011) more Managing Sclerotinia Lettuce Drop with Fungicides (Sep. 21, 2011) more Powdery Mildew on Fall Melons (Oct. 5, 2011) more Fusarium Wilt on Lettuce (Oct. 19, 2011) more Comparison of Two Lettuce Wilt Diseases (Nov. 2, 2011) more Downy Mildew (Nov. 16, 2011) more Impact of the Environment on Disease Development (Nov. 30, 2011) more Plant Pathogen Resistance to Fungicides (Dec. 14, 2011) more Lettuce Dieback (Jan. 11, 2012) more Abiotic Diseases (Jan. 25, 2012) more Downy Mildew on Spinach and Related Plants (Feb. 8, 2012) more Late Blight of Celery (Feb. 22, 2012) more Powdery Mildew on Celery (Mar. 7, 2012) more Lettuce Powdery Mildew (Mar. 21, 2012) more Persistence of Sclerotinia (Apr. 4, 2012) more Powdery Mildew (Apr. 18, 2012) more Managing Powdery Mildew on Melons (May 2, 2012) more Fusarium Wilt on Melons (May 16, 2012) more Disease Resistance and Tolerance (May 30, 2012) more Sudden Wilt and Death of Melon Plants (June 13, 2012) more Soil Solarization (June 27, 2012) more Summer Preplant Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop (July 11, 2012) more Plant Pathogen Survival in the Desert (July 25, 2012) more Plant Disease Resistance (Aug. 8, 2012) more Plant Derived Chemicals as Disease Inhibitors (Aug. 22, 2012) more Soil-borne Lettuce Pathogens (Sep. 5, 2012) more Managing Sclerotinia Drop of Lettuce with Fungicides (Sep. 19, 2012) more Powdery Mildew on Fall Melons (Oct. 3, 2012) more Fusarium Wilt on Lettuce (Oct. 17. 2012) more Two Lettuce Wilt Diseases Compared (Oct. 31, 2012) more Influence of The Environment on Disease Development (Nov. 14, 2012) more Plant Pathogen Resistance to Fungicides (Nov 28, 2012) more Lettuce Downy Mildew (Jan. 9, 2013) more Low Temperatures and Plant Disease (Jan. 23, 2013) more Weather Affects Plant Disease Development (Feb. 6, 2013) more Lettuce Dieback (Feb. 20, 2013) more Lettuce Powdery Mildew (March 6, 2013) more Gray Mold (March 20, 2013) more Powdery Mildew (April 3, 2013) more Disease Resistance and Tolerance (April 17, 2013) more Managing Powdery Mildew on Melons (May 1, 2013) more Fusarium Wilt on Melons (May 15, 2013) more Physical Plant Disease Resistance (May 29, 2013) more Sudden Wilt and Death of Melon Plants (June 12, 2013) more Soil Solarization (June 26, 2013) more Summer Preplant Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop (July 10, 2013) more Further Comments on Summer Preplant Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop (July 24, 2013) more Plant Pathogen Survival in the Desert (August 7, 2013) more Plant Derived Chemicals as Disease Inhibitors (August 21, 2013) more Lettuce Pathogens in Soil (September 4, 2013) more Managing Sclerotinia Drop of Lettuce with Fungicides (September 18, 2013) more Powdery Mildew on Fall Melons (October 2, 2013) more Fusarium Wilt on Lettuce (October 16, 2013) more Two Lettuce Wilt Diseases Compared (October 30, 2013) more Impact of the Environment on Plant Disease Development (November 13, 2013) more Lettuce Downy Mildew (November 27, 2013) more Plant Pathogen Resistance to Fungicides (December 11, 2013) more Lettuce Dieback (January 8, 2014) more Lettuce Downy Mildew (January 22, 2014) more Lettuce Powdery Mildew (February 5, 2014) more Is that Downy or Powdery Mildew on my Lettuce? (February 19, 2014) more Downy Mildew on Spinach and Related Plants (March 5, 2014) more Upsurge of Lettuce Downy Mildew (March 19, 2014) more Gray Mold (April 2, 2014) more Powdery Mildew (April 16, 2014) more Disease Resistance and Tolerance (April 30, 2014) more Managing Powdery Mildew on Melons (May 14, 2014) more Fusarium Wilt on Melons (May 28, 2014) more New Watermelon Disease Reported (June 11, 2014) more Sudden Wilt and Death of Melon Plants (June 25, 2014) more Soil Solarization (July 9, 2014) more Summer Preplant Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop (July 23, 2014) more Additional Comments on Summer Preplant Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop (August 6, 2014) more Plant Pathogen Survival in the Desert (August 20, 2014) more Plant Derived Chemicals as Disease Control Tools (September 3, 2014) more Lettuce Pathogens in Soil (September 17, 2014) more Managing Sclerotinia Drop of Lettuce With Fungicides (October 1, 2014) more Fusarium Wilt on Lettuce (October 15, 2014) more Comparison of Two Lettuce Wilt Diseases (October 29, 2014) more Impact of the Environment on Plant Disease Development (November 12, 2014) more Lettuce downy mildew (November 26, 2014) more Plant Pathogen Resistance to Fungicides (December 10, 2014) more Lettuce Downy Mildew (January 7, 2015) more Lettuce Dieback (January 21, 2015) more Lettuce Powdery Mildew (February 4, 2015) more Differences Between Downy and Powdery Mildew on Lettuce (February 18, 2015) more Downy Mildew on Spinach and Related Plants (March 4, 2015) more The Year of Downy Mildew (March 18, 2015) more Comparative Efficacy of Downy Mildew Fungicides on Spinach (April 1, 2015) more Powdery Mildew (April 29, 2015) more Managing Powdery Mildew on Melons (May 13, 2015) more Disease Resistance and Tolerance (May 27, 2015) more Fusarium Wilt on Melons (June 10, 2015) more Sudden Wilt and Death of Melon Plants (June 24, 2015) more Soil Solarization (July 8, 2015) more Summer Preplant Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop (July 22, 2015) more Summer Preplant Soil Flooding To Manage Sclerotinia Lettuce Drop: The Rest of The Story (August 5, 2015) more Plant Pathogen Survival in the Desert (August 19, 2015) more Plant Derived Chemicals Help Manage Disease (September 2, 2015) more Lettuce Pathogens in Soil (September 16, 2015) more Managing Sclerotinia Drop of Lettuce with Fungicides (September 30, 2015) more Fusarium Wilt of Lettuce (October 14, 2015) more Comparison of Two Lettuce Wilt Diseases (October 28, 2015) more Lettuce Downy Mildew (November 11, 2015) more Influence of the Environment on Plant Disease Development (November 25, 2015) more Plant Pathogen Resistance to Fungicides (December 9, 2015) more Weather Change Raises Threat of Downy Mildew (January 6, 2016) more Lettuce Dieback (January 20, 2016) more Lettuce Powdery Mildew (February 3, 2016) more Mildew on Lettuce: Downy or Powdery? (February 17, 2016) more Downy Mildew on Spinach and Related Plants (March 2, 2016) more What a Difference a Year Makes (March 16, 2016) more Gray Mold (March 30, 2016) more Spinach Downy Mildew Fungicides Evaluated (April 13, 2016) more Melon Powdery Mildew (April 27, 2016) more Managing Powdery Mildew on Melons (May 11, 2016) more Disease Resistance and Tolerance (May 25, 2016) more Fusarium Wilt on Melons (June 8, 2016) more Sudden Wilt and Death of Melon Plants (June 22, 2016) more Soil Solarization as a Management Tool for Lettuce Fusarium Wilt (July 6, 2016) more Summer Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop (July 20, 2016) more Summer Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop Part II (August 3, 2016) more Plant Pathogen Survival in the Desert (August 17, 2016) more Plant Produced Chemicals Help Keep Diseases in Check (August 31, 2016) more Soil-borne Lettuce Pathogens (September 14, 2016) more Managing Sclerotinia Drop of Lettuce With Fungicides (September 28, 2016) more Fusarium Wilt of Lettuce (October 12, 2016) more Comparison of Two Lettuce Wilt Diseases (October 26, 2016) more Downy Mildew (November 9, 2016) more Influence of the Environment on Plant Disease Development (November 23, 2016) more Plant Pathogen Resistance to Fungicides (December 7, 2016) more Wet Weather Raises Threat of Downy Mildew (January 11, 2017) more Lettuce Dieback (January 25, 2017) more Lettuce Powdery Mildew (February 8, 2017) more Downy Mildew on Spinach and Related Plants (February 21, 2017) more Mildew on Lettuce: Downy or Powdery? (March 8, 2017) more Gray Mold (March 22, 2017) more Downy Mildew Strikes Again (April 5, 2017) more Spinach Downy Mildew Fungicides Evaluated (April 19, 2017) more Melon Powdery Mildew (May 2, 2017) more Managing Powdery Mildew on Melons (May 17, 2017) more Disease Resistance and Tolerance (May 31, 2017) more Fusarium of Melons (June 14, 2017) more Sudden Wilt and Death of Melon Plants (June 28, 2017) more Soil Solarization as a Management Tool for Lettuce Fusarium Wilt (July 12, 2017) more Summer Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop (July 26, 2017) more Summer Preplant Soil Flooding to Manage Sclerotinia Lettuce Drop: Part II (August 9, 2017) more Plant Pathogen Survival in the Desert (August 23, 2017) more Plant Produced Chemicals Help Keep Diseases in Check (September 6, 2017) more Soil-borne Lettuce Pathogens (September 20, 2017) more Managing Sclerotinia Drop of Lettuce with Fungicides (October 4, 2017) more Fusarium Wilt of Lettuce (October 18, 2017) more Comparison of Two Lettuce Wilt Diseases (November 1, 2017) more Downy Mildew (November 15, 2017) more Effect of the Environment on Plant Disease Development (November 29, 2017) more Plant Pathogen Resistance to Fungicides (December 13, 2017) more Rainfall and Downy Mildew (January 10, 2018) more Lettuce Dieback (January 24, 2018) more Lettuce Powdery Mildew (February 7, 2018) more Downy Mildew on Spinach and Related Plants (February 21, 2018) more Mildew on Lettuce: Downy or Powdery? (March 7, 2018) more Gray Mold (March 21, 2018) more The Ups and Downs of Downy Mildew Severity (April 4, 2018) more New Race of Downy Mildew on Spinach (April 18, 2018) more Lettuce Powdery Mildew Fungicides Evaluated (May 2, 2018) more Melon Powdery Mildew (May 16, 2018) more Disease Resistance and Tolerance (May 30, 2018) more Fusarium Wilt of Melons (June 13, 2018) more Sudden Wilt and Death of Melon Plants (June 27, 2018) more Soil Solarization as a Management Tool for Lettuce Fusarium Wilt (July 11, 2018) more Summer Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop (July 25, 2018) more Summer Soil Flooding as a Management Tool for Sclerotinia Lettuce Drop Part II (August 8, 2018) more Plant Pathogen Survival in the Desert (August 22, 2018) more Plant Produced Chemicals Help Keep Diseases in Check (September 5, 2018) more Soil-borne Lettuce Pathogens (September 19, 2018) more Managing Sclerotinia Drop of Lettuce with Fungicides (October 3, 2018) more Fusarium Wilt of Lettuce (October 17, 2018) more Comparison of Two Lettuce Wilt Diseases (October 31, 2018) more Downy Mildew (November 14, 2018) more Plant Pathogen Resistance to Fungicides (December 12, 2018) more Weather Conditions and Downy Mildew (January 9, 2019) more Lettuce Powdery Mildew (February 6, 2019) more Downy Mildew on Spinach and Related Plants (February 20, 2019) more Mildew on lettuce: downy or powdery? (March 6, 2019) more Gray Mold (March 20, 2019) more The Ups and Downs of Downy Mildew Severity (April 3, 2019) more Lettuce Powdery Mildew Fungicides Evaluated (April 17, 2019) more Melon Powdery Mildew (May 1, 2019) more Comparison of Melon Powdery Mildew Fungicides (May 15, 2019) more Comparison of Fungicides for Lettuce Powdery Mildew Management (May 29, 2019) more Melon Powdery Mildew 2019 (June 12, 2019) more Sudden Wilt and Death of Melon Plants 2019 (June 26, 2019) more Soil Solarization: A Management Tool for Lettuce Fusarium Wilt (July 10, 2019) more Summer soil flooding as a management tool for Sclerotinia lettuce drop 2019 (July 24, 2019) more Survival of Plant Pathogens in The Desert (August 7, 2019) more Plant Produced Chemicals Help Keep Diseases in Check 2019 (August 21, 2019) more Soil-borne Lettuce Pathogens (September 4, 2019) more Managing Sclerotinia Drop of Lettuce With Fungicides (September 4, 2019) more Fusarium Wilt of Lettuce (October 2, 2019) more Comparison of Two Lettuce Wilt diseases (October 16, 2019) more Downy Mildew (October 30, 2019) more Effect of Weather on Plant Disease Development (November 13, 2019) more Plant Pathogen Resistance to Fungicides (November 27, 2019) more High Threat Level for Downy Mildew (December 11, 2019) more Downy Mildew of Lettuce (January 8, 2020) more
Weed Science:
Postemergence Grass Control in Vegetables (Jan. 13, 2010) more Rotational Restrictions for Soil Applied Herbicides Used in Lettuce (Jan. 27, 2010) more Cole Crop Weed Control Field Day (Feb. 10, 2010) more Weed Control in Cantaloupe and Watermelon (Feb. 24, 2010) more Postemergent Grass Control in Melons (Mar. 10, 2010) more Vegetable Weed Control in the Desert (Mar. 24, 2010) more Vegetable Weed Control (Apr. 7, 2010) more Field Day:How Herbicides Work (Apr. 21, 2010) more Weed Control (May 5, 2010) more Weed Control (May 19, 2010) more Weed Identification (Jun. 2, 2010) more Herbicide Resistance (Jun. 16, 2010) more Purslane (Jun. 30, 2010) more Summer Annual Grass Identification (Jul. 14, 2010) more Evaluating the Potential for Herbicide Injury (Jul.28, 2010) more Update on the Registration of Kerb For Leaf Lettuce (Aug. 11, 2010) more Diagnosing Herbicide Injury in Lettuce (Aug. 25, 2010) more Using Lettuce Herbicides Effectively (Sept. 8, 2010) more Using Cole Crop Herbicides Effectively (Sept. 22, 2010) more Postemergence Grass Herbicides (Oct. 6, 2010) more Adjuvants and Lettuce Herbicides (Oct. 20, 2010) more Vegetable IPM Video Archive (Oct. 20, 2010) more Generic Herbicides in Lettuce (Nov. 3, 2010) more Weed Emergence when Using Preemergent Herbicides (Nov. 17, 2010) more Pesticide Use in Arizona, the U.S. and Worldwide (Dec. 1, 2010) more Carryover of Vegetable Herbicides to Wheat Grown in Rotation (Dec. 15, 2010) more Weed Seeds and Preemergent Herbicides (Jan. 12, 2011) more Herbicide Names (Jan. 26, 2011) more Sprinkler Irrigated Wheat Following Vegetables and Herbicide Chemigation (Feb. 9, 2011) more Herbicides For Irrigation Ditch Banks (Feb. 23, 2011) more Weed Laws (Mar. 9, 2011) more Shepardspurse (Mar. 23, 2011) more Herbicide Resistance vs Herbicide Tolerance (Apr. 6, 2011) more Nutsedge (Apr. 20, 2011) more Dodder (May 4, 2011) more Pigweed (May 18, 2011) more Calibrating a Backpack Sprayer for Spot Application of Herbicides (June 1, 2011) more The Effect of Fire on Weed Seeds (Jun. 15, 2011) more Weed Seed Germination (Jun. 29, 2011) more Sprangletop (Jul. 13, 2011) more Herbicides for Ground Preparation in Lettuce (Jul. 27, 2011) more Vegetable Herbicide Formulations (Aug. 10, 2011) more Kerb SC and Kerb 50WP (Aug. 24, 2011) more Dinitroanaline Herbicides (Sep. 7, 2011) more Vegetable Herbicide Registrations (Sep. 21, 2011) more How to Interpret Test Results Conducted to Evaluate Herbicide Injury in Lettuce (Oct. 5, 2011) more Diagnosing Herbicide Injury (Oct. 19, 2011) more Split Applications of Kerb in Lettuce (Nov. 2, 2011) more Lift-Off or Codistillation of GoalTender and Goal 2XL (Oxyfluorfen) (Nov 16, 2011) more Impact of Weeds Compared To Insects And Diseases (Nov. 30, 2011) more When do Weed Seeds germinate? (Dec. 14, 2011) more Weed Control in Vegetable Seed Crops (Jan. 11, 2012) more Herbicide Injury to Wheat Following Lettuce (Jan. 25, 2012) more Weed Science and the Agricultural Systems Management Degree in Yuma (Feb. 8, 2012) more Nutsedge Identification (Feb. 22, 2012) more Herbicide Resistance (Mar. 7, 2012) more Melon Weed Control (Mar. 21, 2012) more Soil Applied Herbicides (Apr. 4, 2012) more Botanical Classification of Crops (Apr. 18, 2012) more Band Application of Herbicides (May 2, 2012) more How and Where To Drop Off Samples for Weed Identification and Herbicide Injury Evaluation: (May 16, 2012) more Summer Fallow Weed Control for Vegetables (May 30, 2012) more Nutsedge Control With Eptam (EPTC) and Summer Fallow (Jun 13, 2012) more Maximizing the Use of Glyphosate (Jun 27, 2012) more On-line Continuing Education Classes (Jul 11, 2012) more Summer Annual Grass Identification (Jul 25, 2012) more Send us a Picture (Aug. 8, 2012) more Balan (Aug. 22, 2012) more Prowl H₂O Now Registered for Brassica Head and Stem Vegetables (Sep. 5, 2012) more Using the Botanical Classification of Crops to Evaluate Herbicide Tolerance (Sep. 19, 2012) more The Tolerance of Endive and Escarole to Balan (Oct. 3, 2012) more Prefar SLN for Arizona Lettuce (Oct. 17, 2012) more If You Can't Beat em, Eat em. (Oct. 31, 2012) more Update on the Reregistration of Pronamide (Kerb) for Use on Leaf Lettuce (Nov. 14, 2012) more Weed Seeds (Nov. 28, 2012) more Herbicide Resistant Little Seed Canarygrass (Jan. 9, 2013) more Effect of Lettuce Herbicides on Wheat (Jan. 23, 2013) more Preemergent Herbicides (Feb. 6, 2013) more Prefar (Bensulide) Needs Lots of Water (Feb. 20, 2013) more Factors Affecting the Activity of Soil Applied Herbicides (March 6, 2013) more Grass Control in Melons (March 20, 2013) more Weed Control in Fall Vegetables Begins Now (April 3, 2013) more Herbicide Volatility (April 17, 2013) more Herbicides Registered for Vegetable Crops (May 1, 2013) more Using Fire to Control Weeds (May 15, 2013) more Selective Weed Control (May 29, 2013) more Pigweed Identification and Glyphosate Resistance (June 12, 2013) more Pesticide Registrations (June 26, 2013) more Kerb (Pronamide) Use Rates on Lettuce (July 10, 2013) more Herbicides for Ground Preparation in Lettuce (July 24, 2013) more If You Can’t Beat them, Eat Them (August 7, 2013) more How Much Water Should Be Used When Chemigating Kerb on Lettuce (August 21, 2013) more Pesticide Diagnostic Laboratory (September 4, 2013) more Injury from the Movement of Glyphosate and Paraquat with Wind Blown Soil is Unlikely (September 18, 2013) more Lettuce Injury Symptoms from Herbicides Can Look Identical to Those Caused By Other Factors (October 2, 2013) more Cole Crop Weed Control (October 16, 2013) more Hazards from Soil Applied Herbicides to Crops Grown in Rotation (October 30, 2013) more Timing Herbicide Applications in Lettuce (November 13, 2013) more Cole Crops and The Dinitroaniline (yellow) Herbicides & Pesticide Diagnostic Laboratory (November 27, 2013) more Sampling for Pesticide Analysis (December 11, 2013) more Sensitivity of Wheat to Herbicides Used on Vegetables (January 8, 2014) more Herbicide Use in Leaf Lettuce (January 22, 2014) more Herbicide Use on Leaf Lettuce- part 2 (February 5, 2014) more The Life Cycle of Weeds in the Low Desert (February 19, 2014) more Summer Annual Grass Identification (March 5, 2014) more Adjuvants for Vegetable Herbicides (March 19, 2014) more Postemergence Grass Herbicides (April 2, 2014) more The University Of Arizona Herbarium (April 16, 2014) more Genetically Modified Crops (April 30, 2014) more U of A Degree Programs in Yuma (May 14, 2014) more Summer Fallow Weed Control (May 28, 2014) more Salt Cedar (June 11, 2014) more Glyphosate Tolerance vs. Glyphosate Resistance (June 25, 2014) more Distinguishing Characteristics of Similar Summer Annual Grasses (July 9, 2014) more Nutsedge Control with EPTC(Eptam) and Summer Fallow (July 23, 2014) more Band Application of Herbicides (August 6, 2014) more Purslane (August 20, 2014) more Adjuvants with Lettuce Herbicides (September 3, 2014) more Rainfastness of Herbicides (September 17, 2014) more What You See is Not Always What You Get (October 1, 2014) more Goal “Lift Off” (October 15, 2014) more Satellite HydroCap Herbicide on Lettuce (October 29, 2014) more Weeds in Leaf Lettuce (November 12, 2014) more Update on the Status of the Applications to Register Kerb on Leaf Lettuce (November 26, 2014) more Botanical Families (December 10, 2014) more Broccoli Weed Control (January 7, 2015) more Injury to Wheat from Herbicides Used in Lettuce (January 21, 2015) more Summer Annual Weed Emergence (February 4, 2015) more Weeds in Seed Crops (February 18, 2015) more Melon Weed Control (March 4, 2015) more Weeds Can Reroot (March 18, 2015) more Dodder (April 1, 2015) more Pigweed (April 29, 2015) more Marestail, Horseweed (Conyza canadensis) (May 13, 2015) more Sandbur (May 27, 2015) more Nutsedge (June 10, 2015) more New Weeds!!! (June 24, 2015) more Flooding to Kill Weed Seeds During Summer Fallow (July 8, 2015) more Burning Wheat Stubble (July 22, 2015) more Preplant Burndown Herbicides for use on Lettuce (August 5, 2015) more Herbicide Registrations for Different Types of Lettuce (August 19, 2015) more Contact Herbicides that have Soil Activity (September 2, 2015) more Herbicide Injury To Lettuce From a Previously Used Herbicide (September 16, 2015) more Clean Your Chemigation Tank (September 30, 2015) more Pesticide Analytical Laboratory at the Yuma Agriculture Center (October 14, 2015) more Herbicide Carryover (October 28, 2015) more Postemergence Weed Control in Lettuce (November 11, 2015) more Timing the Chemigation of Vegetable Herbicides (November 11, 2015) more DNA Herbicides (December 9, 2015) more Herbicide Rain Fastness (January 6, 2016) more Kerb Registered on Leaf Lettuce (January 20, 2016) more Summer Annual Weed Emergence (February 3, 2016) more Nutsedge Identification (February 17, 2016) more Melon Weed Control (March 2, 2016) more Weed Variability (March 16, 2016) more Knotweed (March 30, 2016) more Different Species of Canarygrass Identified Here (April 13, 2016) more Pigweed Identification (April 27, 2016) more When a Weed is Not a Weed (May 11, 2016) more Sudan Grass (May 25, 2016) more Herbicides Registered For Irrigation Ditch Banks in Arizona (June 8, 2016) more The Effect of High Soil Temperatures on Weed Seed Viability (June 22, 2016) more The Effect of Weeds and Herbicides on the Uptake of Soil Applied Insecticides in Lettuce (July 6, 2016) more Time Required After Herbicide Application Before Lettuce Can Be Planted (July 20, 2016) more When Plans Change- The Sensitivity of Vegetable Crops to Preemergence Herbicides (August 3, 2016) more Weeds to Be on the Lookout For (August 17, 2016) more Common Purslane (August 31, 2016) more Broccoli Weed Control (September 14, 2016) more Oxyfluorfen (Goal, GoalTender, Galigan) for Use on Cole Crops (September 28, 2016) more Pigweed Control in Lettuce (October 12, 2016) more Kerb Incorporation- How Much Water is Needed (October 26, 2016) more Weed Seed Germination (November 9, 2016) more PPO Inhibitor Herbicides (November 23, 2016) more Satellite HydroCap Herbicide on Lettuce (December 7, 2016) more Late Season Applications of Prowl H2O on Broccoli and Cauliflower Grown for Seed (January 11, 2017) more Be on the Lookout for Hood Canarygrass (January 25, 2017) more Weed Seed Germination (February 8, 2017) more The Time Required for Systemic Herbicides to Kill Weeds (February 21, 2017) more Grass Control in Melons (March 8, 2017) more Sudan Grass Grown in Rotation with Lettuce and Broccoli (March 22, 2017) more Summer Annual Grass Identification (April 5, 2017) more Nutsedge Identification (April 19, 2017) more Eptam (EPTC) 7E and 20G and Summer Fallow for Nutsedge Control (May 2, 2017) more Band Application of Herbicides (May 17, 2017) more Ditchbank Weed Control (May 31, 2017) more Dodder (June 14, 2017) more Common Purslane (June 28, 2017) more Weed Seeds and Germination Calendars (July 12, 2017) more Herbicides for Ground Preparation to Lettuce (July 26, 2017) more Survival Techniques of Desert Weeds (August 9, 2017) more When to Incorporate Preemergent Herbicides in Lettuce (August 23, 2017) more Postemergence Weed Control with Kerb (September 6, 2017) more Dacthal (September 20, 2017) more Managing Herbicide Chemigations When it is Windy (October 4, 2017) more Ditch Bank Weed Control (October 18, 2017) more Managing Herbicide Residues in the Soil (November 1, 2017) more Using Bioassays to Determine if it is Safe to Replant Fields (November 15, 2017) more Using Lettuce Herbicides Prior to Planting Wheat (November 29, 2017) more Impact of Weeds Compared to Insects & Diseases (December 13, 2017) more Historical use of Herbicides in Lettuce (January 10, 2018) more Prefar (Bensulide) on Lettuce (January 24, 2018) more Summer Annual Weed Germination (February 7, 2018) more Cloning Weeds (February 21, 2018) more Nutsedge Identification (March 7, 2018) more Preharvest Weed Control in Wheat grown in Rotation with Vegetables (March 21, 2018) more Pigweed Identification in Arizona (April 4, 2018) more Herbicide Signal Words (April 18, 2018) more Dodder (May 2, 2018) more Roundup for Lawns is not Roundup (May 16, 2018) more Weeds as Indicators of Soil Conditions (May 30, 2018) more Weeds Seeds (June 13, 2018) more Sweet Clover (June 27, 2018) more Summer Grasses (July 11, 2018) more How Hot is Too Hot to Spray (July 25, 2018) more Purslane (August 8, 2018) more Weed Seed Dispersal (August 22, 2018) more When in Doubt ….Scout (September 5, 2018) more How Much Water Should Be Used When Chemigating Kerb on Lettuce (September 19, 2018) more Goal “Lift-off” (October 3, 2018) more The Effect of Rain on Herbicides (October 17, 2018) more Adjuvants and Lettuce Herbicides (October 31, 2018) more Puncturevine (November 14, 2018) more Incorporation of Cole Crop Herbicides (December 12, 2018) more Measure with a Micrometer and Cut with an Axe (January 9, 2018) more Using Groundhog Day to Time Summer Annual Weed Control (February 6, 2019) more Rainfastness of Herbicides (February 20, 2019) more Alternatives to Glyphosate for Use Around wheat Fields (March 6, 2019) more Melon Weed Control (March 20, 2019) more The Safety of Herbicides That You Are Using Now to Next Seasons Lettuce (April 3, 2019) more Summer Annual Grass Identification (April 17, 2019) more Sprangletop (May 1, 2019) more Tolerance of Teff Grass to Herbicides (May 15, 2019) more Preharvest Weed Control in Wheat Before Vegetables 2019 (May 29, 2019) more Purslane (June 12, 2019) more Lettuce Herbicides Used During the 2018-19 Season (June 26, 2019) more Summer Fallow Weed Control for Vegetables (July 10, 2019) more Alternatives to Glyphosate (July 24, 2019) more Botanical Classification of Crops (August 7, 2019) more Pigweed (August 21, 2019) more GoalTender Chemigation(September 4, 2019) more Cultivation Is Not a Good Method to Control Purslane(September 18, 2019) more Dacthal and Water (October 5, 2019) more The Harmful Effects of Cultivation on Weed Control (October 29, 2019) more Adjuvants and Lettuce Herbicides (November 13, 2019) more Time Needed Between Herbicide Application and Rain or Irrigation (November 27, 2019) more Shepherd's purse (December 11, 2019) more Multiple Germinations of Weed Seed (January 8, 2020) more
Biometeorology:
Yuma Leaf Wetness Network (December 13, 2017) more Leaf Wetness Update (January 10, 2018) more Leaf Wetness Update (January 24, 2018) more Leaf Wetness Update (February 7, 2018) more Leaf Wetness Update (February 21, 2018) more Leaf Wetness Update (March 7, 2018) more Leaf Wetness Update (March 21, 2018) more Leaf Wetness Update (April 4, 2018) more Leaf Wetness Update (May 2, 2018) more Yuma Leaf Wetness Network (December 12, 2018) more Leaf Wetness Update (January 9, 2019) more Leaf Wetness Update (February 6, 2019) more Leaf Wetness Update (March 6, 2019) more Leaf Wetness Update (March 20, 2019) more Leaf Wetness Update (April 3, 2019) more Leaf Wetness Update (April 17, 2019) more Leaf Wetness Update (May 1, 2019) more Leaf Wetness Update (May 15, 2019) more Leaf Wetness Update (May 29, 2019) more Yuma Leaf Wetness Network (June 12, 2019) more Leaf Wetness Update (June 26, 2019) more Leaf Wetness Update (July 10, 2019) more Leaf Wetness Update (July 24, 2019) more Leaf Wetness Update (August 7, 2019) more Leaf Wetness Update (August 21, 2019) more Leaf Wetness Update (September 4, 2019) more Leaf Wetness Update (September 4, 2019) more Leaf Wetness Update (September 18, 2019) more Leaf Wetness Update (October 2, 2019) more Leaf Wetness Update (October 16, 2019) more Leaf Wetness Update (October 30, 2019) more Leaf Wetness Update (November 13, 2019) more Leaf Wetness Update (November 27, 2019) more Leaf Wetness Update (December 11, 2019) more Leaf Wetness Update (January 8, 2020) more
Question of the Week:
Weeds Science: What is the difference between Goosefoot and Lambsquarter? (Apr. 20, 2011) more Weeds Science: How do you control Nutsedge in Bermuda grass? (Jun. 29, 2011) more Insect Management: What level of whitefly pressure can growers and PCAs expect this fall? (Jul. 13, 2011) more Weeds Science: How do plant growth regulators kill weeds? (Aug. 10, 2011) more Weeds Science: How quick can a Bagrada Bug adult kill broccoli seedlings? (Sep. 7, 2011) more Insect Management: How do Flea Beetles damage cole crops? (Oct. 5, 2011) more Chlorotic Spots at Regular Intervals on Wheat Seedlings (Feb. 8, 2012) more Black Witch Moth (July 8, 2015) more Skeleton Weed or Flat Crown Buckwheat (July 22, 2015) more Osage Orange (August 5, 2015) more Carpenter Bee (August 19, 2015) more Manybristle Chinchweed (September 2, 2015) more Smoke Tree Sharpshooter (September 30, 2015) more Do You Know What It Is? (November 25, 2015) more Do You Know What It Is? - Answer (December 9, 2015) more Spanish Needle (April 27, 2016) more Powdery Mildew (May 11, 2016) more Skeleton Weed (May 25, 2016) more
Production Updates:
January Rain Disrupts Harvest, Spikes Prices (Jan. 27, 2010) more 11-52-0 Refresher: Best Choice for Desert Soils (Jul. 28, 2010) more 2010 Summer Vegetable Prices Holding Strong (Aug. 11, 2010) more Soil Fumigant Pesticides Now Subject to New Regulatory Measures (Aug. 25, 2010) more
General Veggie Updates:
Lettuce Price (Feb. 24, 2010) more Baby Leaf Harvester (Mar. 10, 2010) more Lettuce Sampling Method for Thrips (Apr. 7, 2010) more Aphid Evaluation Method (May 19, 2010) more Systemic Insecticide Evaluation (Aug. 25, 2010) more Adult WF Sampling with Vacuum (Dec. 15, 2010) more What is a Lysimeter? (May 18, 2011) more Sampling Adult Whiteflies with Vacuum (Aug. 24, 2011) more Kerb Ten Years after 9/11 (Sep. 21, 2011) more Row Cover Video (Nov. 16, 2011) more The Use of Pelargonic Acid as a Herbicide (Dec. 14, 2011) more Can bagrada bugs feed on the seeds and reduce your plant stand? (Jan. 11, 2012) more Agricultural Systems Management Degree in Yuma (Feb. 22, 2012) more Agricultural Systmes Management Degree in Yuma Presentation - Purple Nutsedge (Mar. 7, 2012) more Agricultural Systmes Management Degree in Yuma Presentation - London Rocket: Sisymbrium irio (Mar. 21, 2012) more Agricultural Systmes Management Degree in Yuma Presentation - Yellow Sweetclover: Melilotus officinalis (L.) Lam (Apr. 4, 2012) more Luigi, The Jungle Bug (Apr. 18, 2012) more Agricultural Systmes Management Degree in Yuma Presentation - Purslane: Portulaca oleracea (Jun 13, 2012) more Surface of a Swallowtail Butterfly's Wing (Jul. 11, 2012) more Jewel Beetles in Arizona Sky Islands (Jul. 25, 2012) more A Modern Way to do Biological Research (Aug. 8, 2012) more Flower Beetles can be Common on Fall Crops during Stand Establishment (Aug. 22, 2012) more The Hercules Beetle in Arizona Mountains (Sep. 5, 2012) more What's out there at night on your farm?? An update of black light trapping (Sep. 19, 2012) more Do you know what this is? Click on the picture and see (Oct. 3, 2012) more Natural Enemies of Bagrada Bugs (Oct. 17, 2012) more Assassin Bug Eclosion (Jan. 23, 2013) more Question to the Veg IPM TEAM (Feb. 6, 2013) more Video: Establishing a Seed Corn Maggot Experiment on Melons (April 3, 2013) more Aposematic coloration Means “NO Attempt” – Blister beetles (April 17, 2013) more Pigweed Identification and Glyphosate Resistance (June 12, 2013) more Patterns and Behavior of Bagrada Bug - a Research Update on the Journal of Economic Entomology (August 7, 2013) more Most recent Bagrada bug research updates published on the European journal "Arthropod-Plant Interactions" (January 22, 2014) more
Areawide Insect Trapping Network:
Areawide Insect Trapping Network (September 18, 2013) more Areawide Insect Trapping Network (October 2, 2013) more Areawide Insect Trapping Network (October 16, 2013) more Areawide Insect Trapping Network (October 30, 2013) more Areawide Insect Trapping Network (November 27, 2013) more Areawide Insect Trapping Network (December 11, 2013) more Areawide Insect Trapping Network (January 8, 2014) more Areawide Insect Trapping Network (February 5, 2014) more Areawide Insect Trapping Network (February 19, 2014) more Areawide Insect Trapping Network (March 5, 2014) more Areawide Insect Trapping Network (April 2, 2014) more Areawide Insect Trapping Network (October 1, 2014) more Areawide Insect Trapping Network (October 15, 2014) more Areawide Insect Trapping Network (October 29, 2014) more Areawide Insect Trapping Network (November 26, 2014) more Areawide Insect Trapping Network (January 7, 2015) more Areawide Insect Trapping Network (January 21, 2015) more Areawide Insect Trapping Network (February 4, 2015) more Areawide Insect Trapping Network (March 4, 2015) more Areawide Insect Trapping Network (April 1, 2015) more Areawide Insect Trapping Network (September 16, 2015) more Areawide Insect Trapping Network (September 30, 2015) more Areawide Insect Trapping Network (October 14, 2015) more Areawide Insect Trapping Network (October 28, 2015) more Areawide Insect Trapping Network (November 11, 2015) more Areawide Insect Trapping Network (November 25, 2015) more Areawide Insect Trapping Network (December 9, 2015) more Areawide Insect Trapping Network (January 6, 2016) more Areawide Insect Trapping Network (January 20, 2016) more Areawide Insect Trapping Network (February 3, 2016) more Areawide Insect Trapping Network (February 17, 2016) more Areawide Insect Trapping Network (March 2, 2016) more Areawide Insect Trapping Network (March 16, 2016) more Areawide Insect Trapping Network (March 30, 2016) more Areawide Insect Trapping Network (September 14, 2016) more Areawide Insect Trapping Network (September 28, 2016) more Areawide Insect Trapping Network (October 12, 2016) more Areawide Insect Trapping Network (October 26, 2016) more Areawide Insect Trapping Network (November 9, 2016) more Areawide Insect Trapping Network (November 23, 2016) more Areawide Insect Trapping Network (December 7, 2016) more Areawide Insect Trapping Network (January 11, 2017) more Areawide Insect Trapping Network (January 25, 2017) more Areawide Insect Trapping Network (February 8, 2017) more Areawide Insect Trapping Network (February 21, 2017) more Areawide Insect Trapping Network (March 8, 2017) more Areawide Insect Trapping Network (March 22, 2017) more Areawide Insect Trapping Network (April 5, 2017) more Areawide Insect Trapping Network (September 20, 2017) more Areawide Insect Trapping Network (October 4, 2017) more Areawide Insect Trapping Network (October 18, 2017) more Areawide Insect Trapping Network (November 1, 2017) more Areawide Insect Trapping Network (November 15, 2017) more Areawide Insect Trapping Network (November 29, 2017) more Areawide Insect Trapping Network (December 13, 2017) more Areawide Insect Trapping Network (January 10, 2018) more Areawide Insect Trapping Network (January 24, 2018) more Areawide Insect Trapping Network (February 7, 2018) more Areawide Insect Trapping Network (February 21, 2018) more Areawide Insect Trapping Network (March 7, 2018) more Areawide Insect Trapping Network (March 21, 2018) more Areawide Insect Trapping Network (April 4, 2018) more Areawide Insect Trapping Network (September 19, 2018) more Areawide Insect Trapping Network (October 17, 2018) more Areawide Insect Trapping Network (October 31, 2018) more Areawide Insect Trapping Network (November 14, 2018) more Areawide Insect Trapping Network (December 12, 2018) more Areawide Insect Trapping Network (January 9, 2018) more Areawide Insect Trapping Network (February 6, 2019) more
Previous Advisories:
Note: The links above provide access to old information; advisories are not current. Current Vegetable IPM information is available on the Vegetable IPM Updates page. Desert Vegetable Advisories posted to ACIS between 2002 and 2004 can be found here.
For questions or comments on any of the topics please contact Marco Pena at the Yuma Agricultural center. College of Agriculture, The University of Arizona, Tucson, AZ.


Home Cotton \| Veggies \| Forages \| Grains \| Citrus \| Crop x Crop Insects \| Diseases \| Weeds \| Pesticides \| News \| Weather \| Research \| Photos \| Contacts \| General Info. document located at: http://cals.arizona.edu/crops/vegatables/advisories/archive.html Copyright © 2001 University of Arizona, College of Agriculture and Life Sciences Webmaster: Al Fournier (acis@ag.arizona.edu)