palmer pigweed has become Roundup resistant, Monsanto admits  .
The dreaded palmer pigweed has become Roundup resistant, Monsanto admits  .
That's Roman wormwood--that's pigweed--that's sorrel--that's piper-grass--have at him, chop him up, turn his roots upward to the sun, don't let him have a fibre in the shade, if you do he'll turn himself t' other side up and be as green as a leek in two days.
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