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

By Ashleigh Faris, Michael Trammel and Kelley Seuhs, learn about grasshoppers as a widespread pest in Oklahoma and how their unpredictable population cycles affect rangeland, pasture, row crops, and gardens, while natural weather patterns and predators often limit severe outbreaks.

Nitrogen is a primary yield-limiting factor for winter canola in the southern Great Plains.

By Ashleigh Faris. Learn more about mite control in peanut production in Oklahoma, specifically Identification and biology, Crop injury, Scouting tips & action threshold.

Crises can impact any organization, but a well-prepared crisis communication plan can reduce financial and reputational harm. Crises typically move through five stages: detection, prevention and preparation, containment, recovery and learning.

By Jennifer Olson, Sara Wallace and Katie Oomens. Learn about the Plant Disease & Insect Diagnostic Laboratory’s mission, services, staff, fees, imaging methods, sample submission tips and contact/web info for plant and pest diagnostics.

By Andrine Shufran, Teri Cocke and Emily Geest. Information about fireflies, discussing the diet, flashing signals, history, defense, identification, conservation and best time to see fireflies.

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.