Herbicide Rates Up
Virginia H. Harris Progressive Farmer Associate Editor
Fri Oct 26, 2012 11:20 AM CDT

BIRMINGHAM, Ala. (DTN) -- Herbicide-tolerant crops may have led to higher overall use of weed-control chemicals and sped the development of certain resistant weeds, according to a study recently published by Charles Benbrook, research professor at Washington State University.

Critics of the study note that many cropping practices and technologies changed during the period that herbicide-resistant (HR) crops became popular, making it difficult to lay the blame Benbrook cites just at the feet of those crops. They also say the issue of weed resistance, heralded by those who oppose GE seeds as one of the main reasons to ban those ...

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