Category Archives: Field Crop IPM

Bee decline threatens US crop production

https://www.sciencedaily.com/releases/2017/02/170219165128.htm From Science Daily The first-ever study to map U.S. wild bees suggests they are disappearing in the country’s most important farmlands — from California’s Central Valley to the Midwest’s corn belt and the Mississippi River valley. If wild bee … Continue reading

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New wheat streak mosaic virus resistance genetic markers developed

New wheat streak mosaic virus resistance genetic markers developed From IPM in the South by Rosemary Hallberg by Kay Ledbetter, Texas A&M AgriLife The Wsm2 gene is located on chromosome 3BS in wheat and most recently eight tightly linked flanking markers … Continue reading

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Resistance management still important even with new herbicides

Resistance management still important even with new herbicides Fromm IPM in the South by Rosemary Hallberg In Southeast Farm Press by Brad Haire Herbicide-resistant weeds didn’t fall from the sky or rise from fields in a mutant mutiny, but they are … Continue reading

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New technology must be used with good stewardship

New technology must be used with good stewardship From IPM in the South by Rosemary Hallberg In Southwest Farm Press The old saw, “Those who do not learn history are doomed to repeat it,” attributed to George Santayana, should be made … Continue reading

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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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