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10 June, 01:46

What does it mean to say that pigweed is resistant to herbicide?

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  1. 10 June, 01:55
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    It means that the variety of plant has become resistant or the herbicide ineffective against the plant. Leaving weeds around after spraying usually can result in a strain of them surviving and multiplying, sharing the same resistance until you start again with a different herbicide
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