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| I think the resistance is comming from field borders or possible skips in a field. Any weed that gets less than half rate and still lives. Takes a long time for them to die and they hang on long enough to produce a few seeds. Doesn't happen the first generation or the second but after awhile a few seeds get produced. I'm not quite seeing full blown resistance yet but marestail, lambsquarter, waterhemp, kochia, are getting tougher to control with higher rates than we used just 5 years ago. | |
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Anybody else ready to quit RR beans?
