Kansas State Researchers Announce Resistant Kochia Breakthrough

Kansas State University researchers say new research helps explain why an invasive weed is developing resistance to a well-known herbicide, reports AgriNews-pubs.com.

The researchers found that the plant kochia has evolved to have multiple copies of a gene that targets the weed killer glyphosate, allowing it to survive treatment. Monsanto brought glyphosate to the market in 1976 under the name Roundup.

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Assistant agronomy professor Mithila Jugulam said the resistance mechanism is becoming prevalent in other glyphosate-resistant weeds. Jugulam said the resistance evolved as the result of continuous use of glyphosate and the lack of herbicide diversity in controlling this weed.

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The journal Plant Physiology recently published the study Jugulam worked on with plant pathology professor Bikram Gill.

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