By Brooklyn Evas, Pam Sharp, Shelley Mitchell, Ryan Patton, Justin Quetone Moss. Knowing how to recognize poison ivy, oak and sumac can save you from a miserable red itchy rash. All three of these closely related plants contain an irritating, oily sap called urushiol. Urushiol causes many people to break out in a rash when it comes in contact with their skin. Being able to identify these plants is beneficial considering there are many plants that look similar, but are harmless. This Fact Sheet is to help inform and educate the general public on how to identify poison ivy, poison oak and poison sumac so they can be avoided.

By Josh Lofton and Josie Rice. Learn about documenting rotation restrictions for cotton herbicides to soybean.

By Josh Lofton and Josie Rice. Learn about failed cotton herbicide rotation restrictions to sorghum in Oklahoma.

By Josh Lofton and Josie Rice. Learn about commonly used grain sorghum herbicides on their rotation restrictions for soybean systems. The herbicides provided are not an all-included list and specific herbicide labels should be consulted for further information or herbicides not on this list.

By Maira Duffeck and Kelly Seuhs. Learn about Sclerotinia Crown and Stem Rot in Alfalfa, including symptoms, disease cycle, and options for disease management.

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.

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

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.