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  1. Pest Identification
  2. Pest Diagnostics
  3. Herbicide Injury
Herbicide Injury Publications
Herbicide Injury Publications
  • Jul 2018
    Interactions Between Insects & Weeds in Desert Crops - July 2018
    Publication (PDF, 356KB)
    Authors: John C. Palumbo
    There is a positive correlation between weeds and insects. This article describes the relationship between weed management and insects. It details how weeds can be a refuge for beneficial insects and how they can also act as a reservoir for insect pests. The impact that weeds have on insecticide application is also discussed.
  • Jan 2014
    Effects of Herbicides on Bermudagrass Growth
    Publication (PDF, 5.3MB)
    Authors: Cassandra Santos and Kai Umeda
    The type of herbicidal injuries inflicted upon bermudagrass by various herbicides is discussed. Some herbicides affected growth as much as four weeks after the initial application.
  • Aug 2010
    Quantitative Guidelines For Evaluating Herbicide Injury In Lettuce
    Publication (PDF, 49KB)
    Authors: Barry Tickes
    There are three major herbicides that have been used in the production of lettuce in Arizona for the past 40 years. Kerb, Balan and Pefar. There are some risks such as stunting chlorosis or death of the crop. The goal of this project was to establish a correlation between detected herbicide levels in soil and lettuce tissue and potential crop injury.
  • Apr 2008
    Alfalfa Weed Control in the Low Deserts of Arizona
    Publication (PDF, 443KB)
    Authors: Barry Ticks and Mike Ottman
    Alfalfa is a vigorous crop that is very competitive with weeds. However, chemical weed control is often necessary even in well managed alfalfa since the marketplace has a low tolerance for weeds in alfalfa hay.

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Herbicide Injury Presentations
  • Jun 2019
    Selection of appropriate preemergence and postemergence herbicides for strategic weed control in turf
    Presentation (PDF, 8.8MB)
    Authors: Kai Umeda
    Location Presented: Guam

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Herbicide Injury Shorts
  • May 2019
    Avoiding 2,4-D and Dicamba Off-Target Movement from Cotton (PDF, 1 MB)
    Off target movement of the auxin herbicides, 2,4-D and dicamba, will cause substantial injury to downwind, sensitive crops such as cotton, grapes, melons and other broadleaf plants. This publication provides guidelines for preventing off target movement.

  • Jun 2017
    Auxin herbicides in Arizona Cotton: Avoiding Off-Target Movement (PDF, 1 MB)
    Off target movement of 2,4-D and dicamba can cause substantial injury to downwind sensitive plants, a potential liability issue for applicators. This short outlines herbicide label requirements and best practices to prevent drift of auxin herbicides. 

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ARIZONA PEST MANAGEMENT CENTER
University of Arizona
College of Agriculture and Life Sciences
Maricopa Agricultural Center

37860 W. Smith-Enke Road
Maricopa, AZ 85239
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