Category Archives: Field Crop IPM

Resources help with airblast sprayer calibration and operation

Arguably, airblast operators in orchard, vineyard and related specialty crops are much harder to access than their field-sprayer cousins. Likewise, there are very few centralized resources available to them regarding the proper calibration and operation of airblast sprayers. There are … Continue reading

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Virulent Pathogen Uses a Genetic Decoy to Foil Host’s Immune Defenses 

A virulent plant-disease agent called Phytophthora sojae knocks out resistance in its soybean host by sending out a “decoy” protein to confuse the plant’s immune system, according to a study published in the Jan. 12, Science journal. The newly uncovered mechanism may … Continue reading

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Comparing Generic Versus Name Brand Pesticides

Robert Klein – Nebraska Extension, Western Nebraska Crops Specialist Robert Tigner – Nebraska Extension,  Extension Educator (This article is part of Nebraska Extension’s Strengthening Nebraska’s Agricultural Economy series.) Over time, increasing numbers of generic pesticides have become available for use … Continue reading

Posted in Agricultural IPM, Center News, Disease Management, Field Crop IPM, Insect Management, IPM Arenas, Weed Management | Tagged , , | Leave a comment

2017 Chart for Selection of Herbicides Based on Site of Action

Amit Jhala – Nebraska Extension Weed Management Specialist The 2017 Herbicide Classification chart detailing herbicide site- and modes-of-action was recently released. It was developed by the Take Action Against Herbicide-Resistant Weeds industry program. Six weeds, including common ragweed, marestail, giant … Continue reading

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Webinar: PAM: a bioeconomic decision-support tool for guiding the management of Palmer amaranth

From IPM in the Siuth by Rosemary Hallberg Herbicide resistance in Palmer amaranth (known as Palmer pigweed) is a serious issue in the Southern US and is spreading to several other states. Repeated use of a few herbicide mechanisms of … Continue reading

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Twitter discussion on Jan. 19 noon Central time on the science behind herbicide-resistant weeds

University of Illinois College of ACES The science behind herbicide-resistant weeds Are some weeds better at evolving resistance than others? What is the ag industry doing to manage resistance? What do you foresee as new developments/challenges regarding herbicide-resistant weeds? Ultimately, … Continue reading

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APHIS posts new weed risk assessments

APHIS’ Plant Protection and Quarantine (PPQ) has posted Weed Risk Assessments (WRA)  for the following three weed species: Bunias erucago (Southern warty cabbage) Coleostephus myconis (Mediterranean marigold) Euphorbia falcata (sickle spurge) The purpose of a WRA is to evaluate the … Continue reading

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There’s no simple solution to weed control

Re-posted from IPM in the South “Those who cannot remember the past are condemned to repeat it,” said George Santayana in The Life of Reason. That quote seems fitting to apply to weed scientist Eric Prostko’s warning to growers about overusing … Continue reading

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Conservation effort spreads seeds of destruction across the Midwest

BY   DIANA YATES Weed scientists in at least two Midwestern states have been reporting for years that a conservation program meant to provide habitat for pollinating insects is sowing bad seeds – including seeds of the potentially devastating agricultural … Continue reading

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Introducing University of Nebraska Crop Protection and Cropping Systems Specialist Justin McMechan

Justin McMechan started work August 16 as the new crop protection and cropping systems specialist for eastern Nebraska. As part of the University of Nebraska-Lincoln’s Eastern Nebraska Research and Extension Center, his primary office is at the Agricultural Research and … Continue reading

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