Tagged DNA subway


Rise of the mutant weed: weeds and herbicide resistance

2 lessons, 5 files
How do farmers reduce competition for their crops? What weeds are resistant to herbicides? How does the mechanism of resistance work? Weeds present problems in farm fields—they rob sunlight, nutrients, and water from the crops. What can farmers do? Herbicides are one answer, but they may not do enough as some weeds have developed r …

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