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GMO versus non-GMO crops

By James Hoorman, Hoorman Soil Health Services
Ohio is one of the leading states planting Non-GMO crops. GMO stands for genetically modified organisms. About 92% of the US corn and 94% of soybeans in 2018 were genetically modified for weeds, insects, or drought tolerance. Japan and many European countries are demanding crops that are Non-GMO, so farmers can pick up premiums by growing these crops. Premiums vary by company, crop variety, and purity but premiums may be around $0.25 per corn bushel and $1-$2 per bushel on soybeans.
In a GMO crop, scientist identify a gene in a organism, then copy and insert that gene into a crop like corn, soybeans, potatoes, etc. GMO crops are typically resistant to herbicides like glyphosate (Roundup with CP4 gene) or Glufosinate (Liberty Link, PAT gene). GMO corn insecticides resistance is obtained by using up to seven genes from the ....

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They said weed science was dying, but then things changed

John Hart
Wes Everman has been the Extension weed specialist for soybeans and small grains for 10 years. He has been on the job since 2011.
At the time, Roundup Ready herbicides were taking over the world.
Back in 2002, when Wes Everman was planning to pursue a Ph.D. in weed science, a number of professors discouraged him. They told him it was a dying field and that he would have a tough time landing a job come graduation.
At the time, Roundup Ready herbicides were taking over the world. Everman notes that one professor didn’t want to write a letter of recommendation for him to pursue a Ph. D because he saw no future in weed science. ....

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What's New for Weed Control in Corn and Soybean in 2021

The emerald green expanse of a soybean field suggests a good crop in the making.
There are no new sites of action herbicides, but there are new premixes or revised formulations of existing active ingredients.
Feb 11, 2021
The following is a brief summary of new products available for weed control in corn and soybean in 2021. None of these are new sites of action herbicides, but are new premixes or revised formulations of existing active ingredients. With growing concerns of weeds developing resistance to herbicides, especially waterhemp with confirmed 4-5 way resistance to herbicide groups, HGs 2 (ALS inhibitors), 5 (atrazine), 9 (glyphosate), 14 (PPO inhibitors), and/or 27 (HPPD inhibitors) in Iowa corn and soybean fields (2019 survey), it is important to consider multiple effective sites of action herbicides both in postemergence and preemergence (soil residual) herbicide programs. ....

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