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Greenwood MO | Not unusual for sorghum/ shattercane to get red and black colored streaks or grow 10 ft especially in corn with plenty of N. It is unusual for it to suvive 3 or 4 apps of Glypho. It should have died from the 1st one unless the product has lost it potency which I have not seen. If it is truly Glypho resistant then that’s a real problem although there are other products like fusilade. As another poster suggested try clethodim, although it will kill corn but it would not be an issue now | |
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round up resistant shatter cane
