University of Arizona a dot Cooperative Extension

Herbicide Symptoms

by Pat Clay, Kai Umeda and Bill McCloskey
(PDF version, 4.2 MB)

Note: All links in this page are linked to pages that are about 200 KB in size.

Phenoxy and pyridinoxy Auxin-type herbicides

  • Clarity (dicamba)
  • Butyrac (2,4-DB)

Dinitroaniline herbicides DNA’s

  • Prowl (pendimethalin)

Chloroacetamide herbicides

  • Dual Magnum (s-metalachlor)

Other “amides” and miscellaneous category herbicides

  • pronamide (Kerb)
  • napropamide (Devrinol)
  • flufenacet (Axiom-w/metribuzin)
  • isoxaben (Gallery)
  • bensulide (Prefar)
  • DCPA (Dacthal)
  • dichlobenil (Casoran)
  • quinclorac (Facet)

Miscellaneous chemistry herbicides

  • Nitrile herbicides - Buctril (bromoxynil)
  • Roundup (glyphosate)

Pigment inhibiting herbicides

Triazine herbicides

  • Aatrex (atrazine)
  • Caporal (prometryn)

Phenylurea herbicides

  • Karmex (diuron)

Bipyridilium herbicides

  • Gramoxone Max (paraquat)

Diphenylether herbicides

  • Goal (oxyfluorfen)

Triazolinone herbicides

  • Aim (carfentrazone)

Imidazolinone herbicides

  • Pursuit (imazethapyr)

Sulfonylurea herbicides

  • Sandea (halosulfuron)

Pyrimidinyl oxybenzoate herbicide

  • Staple (pyrithiobac)

Aryloxyphenoxy propionate and Cyclohexanedione herbicides grass herbicides

  • Select (clethodim)

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.

Erin Taylor, Extension Agent, Field & Veg Crops
Kai Umeda, Area Extension Agent, Vegetable Crops
William B. McCloskey, Extension Weed Specialist
College of Agriculture, The University of Arizona, Tucson, AZ.
Material written September 2002.

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Copyright © 2001 University of Arizona,
College of Agriculture and Life Sciences