Items Tagged with 'cry3bb1'

ARTICLES

Keep Rootworms Guessing To Protect No-Till Corn Profits

As concern rises about rootworm resistance to Bt corn, no-tillers should employ a diverse control strategy that includes pyramided traits, crop rotation, refuge planting and adult control.

By John Dobberstein posted on June 1, 2014 | Posted in Crop Protection

Experts across the Corn Belt are warning farmers about more documented cases of resistance to Bt corn by the western corn rootworm (WCR).

Bt-Resistant Western Corn Rootworm Confirmed In Five Illinois Counties

April 4, 2014 | Posted in Crop Protection

Source: By Michael Gray, University of Illinois

On Aug. 24, 2012, in cooperation with Aaron Gassmann’s laboratory, Iowa State University, the evolution of field resistance by corn rootworms to the Cry3Bb1 protein was confirmed in some problem fields located in northwestern Illinois (Henry and Whiteside Counties).

Monsanto Responds To Corn Rootworm Resistance Data

September 10, 2012 | Posted in Crop Protection

On Aug. 16th, at University of Illinois' Agronomy Day, entomology professor Mike Gray reported that he had confirmed resistance to Cry3Bb1 in two corn rootworm populations collected in northwestern Illinois in Henry and Whiteside counties in August 2011.

EPA Warns Monsanto About Rootworms, Resistance

December 4, 2011 | Posted in Crop Protection

Source: The Wall Street Journal

Monsanto Co. isn't doing enough to monitor for signs that widely grown corn plants that the company genetically modified to thwart a bug are falling prey to that insect again, Environmental Protection Agency scientists said.

Picking Your Transgenic Corn Hybrids for 2012

September 29, 2011

Source: By Ron Hammond and Andy Michel, Ohio State University

An issue facing corn growers this fall and winter when purchasing corn for next summer centers around the recent announcement of western corn rootworms developing resistance to Cry3Bb1.

First In-Field Resistance to Bt Corn Targeting Rootworms Found In Iowa

August 5, 2011 | Posted in Crop Protection

Source: Purdue Pest & Crop Report

Following reports of high damage in Iowa, lab studies revealed resistance to Bt hybrids expressing Cry3Bb1 toxin, found in Monsanto hybrids targeting rootworms.

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