The seed industry has access to rapid DNA tests to avert Palmer amaranth contamination in pollinator seed mixes, a company executive says.

 

Palmer amaranth is considered the most troublesome weed in the nation, according to the Weed Science Society of America.

 

The California Department of Food and Agriculture and Eurofins BioDiagnostics have an independently validated a DNA sequencing test, and weed scientists at the University of Illinois developed a more sensitive DNA test that can detect a single Palmer amaranth seed in a 100-seed sample, according to the society.

 

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