Pesticides

Pesticide Safety Education Program

OSU Extension's pesticide safety education program provides training for pesticide applicator certification, and promotes safe, effective use of pesticides.

Program Details

Pesticides Topics:

Fungicides

Herbicides

Insecticides

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Fact Sheet

Corn Herbicide Rotation Restrictions to Wheat in Oklahoma

By Josh Lofton, Liberty Galvin and Josie Rice. Learn about frequently used herbicides in Oklahoma corn production, along with their corresponding rotational restrictions for wheat.

Corn Crops Grains & Oilseeds Herbicides Insects, Pests, and Diseases Pesticides Wheat

Fact Sheet

Weed Control in Pecans, Apples and Peaches

Weed control basics for preemergence and postemergence herbicide principles in fruit tree crops.

Apples & Pears Composting, Fertilizing, & Mulching Crops Fruits & Tree Nuts Gardening & Lawn Care Herbicides Insects, Pests, and Diseases Peaches & Nectarines Pecans & Walnuts Pesticides Weed Control Weeds & Invasive Plants

Fact Sheet

Herbicide Mixing Order for Effective Pesticide Application

By Liberty Galvin. Learn about guidelines for tank mixing herbicides in spray applications. It details the importance of correct mixing order to prevent equipment degradation and how to prevent incompatibility among products.

Herbicides Insects, Pests, and Diseases Pesticides

Fact Sheet

First Report of Resistance to QoI-Fungicides in Pathogens Causing Cercospora Leaf Blight of Soybean in Oklahoma

By Maira Duffeck and Josh Lofton. Learn about the first report of Cercospora isolates resistant to QoI-fungicides in Oklahoma.

Fungicides Insects, Pests, and Diseases Pesticides

Fact Sheet

Honeybee Diseases and Their Recognition

By Courtney Bir, Brad Card, Zach Royko and Justin Talley. Learn about the main diseases faced by honeybees, as well as how beekeepers can recognize and address these problems.

Bees & Beneficial Insects Honeybees Insects, Pests, and Diseases Livestock Pesticides

Fact Sheet

Managing Alfalfa Weevil Insecticide Resistance

By Kelly Seuss. Learn about best practices in managing insecticide resistance for the alfalfa weevil in alfalfa crops.

Alfalfa Crops Forage Insecticides Insects, Pests, and Diseases Pastures & Forage Pesticides

Fact Sheet

Alfalfa Forage Insect Control

By Kelly Seuhs. Learn about insects in alfalfa and how to best manage them.

Alfalfa Insecticides Insects, Pests, and Diseases Pastures & Forage Pesticides

Fact Sheet

Blister Beetles and Alfalfa

By Kelly Seuss. Learn about the impact of Blister beetles in hay.