Article: Study results from Purdue University provide new insights into soil science.

According to recent research from the United States, "Genetically-modified (GM) corn (Zea mays L.) and soybean [Glycine max (L.) Merr.] dominate the North American agricultural landscape and are becoming increasingly important as biofuels. However, as herbicide-tolerance and insecticidal traits are often simultaneously expressed by individual plants, glyphosate [N-(phosphonomethyl) glycine]-resistant (GR) volunteer corn is becoming a widespread problem as a weed in corn-soybean rotational systems."

"We show that these volunteer corn plants not only have herbicide-tolerance genes but also express insecticidal ''Bt'' protein. We also report high levels of damage ...

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