Phenoxy and pyridinoxyAuxin-type herbicides

• Postemergence
• Foliar absorbed and translocated
• Also root absorbed
• Broadleaf weeds

Clarity (dicamba) -

• Stem twisting
• Stem swelling

(cantaloupe)

• Stem twisting
• Stem and leaf reddening

(cotton seedlings)

• Leaf curling and cupping

(lettuce seedling)

Butyrac (2,4-DB) -

• Stem twisting
• Necrosis
  

(morningglory)

• Legumes not as injured as other broadleaves

(cowpeas, cantaloupe and morningglory)

• Leaf strapping

(cowpea)

(Next ---->)

Full Disclaimers

Issued in furtherance of Cooperative Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture, James A. Christenson, Director Cooperative Extension, College of Agriculture, The University of Arizona.

The University of Arizona is an equal opportunity, affirmative action institution. The University does not discriminate on the basis of race, color, religion, sex, national origin, age, disability, veteran status, or sexual orientation in its programs and activities.

Because labels are subject to frequent change, always consult the label attached to the product before using any pesticide. The user must assume responsibility for proper application and for residues on crops as well as for damage or injury caused by pesticides, whether to crop, person or property.

Any products, services, or organizations that are mentioned, shown, or indirectly implied in this web document do not imply endorsement by The University of Arizona.