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选用进口5%精喹禾灵乳油、国产8.8%精喹禾灵乳油和进口10.8%氟吡甲禾灵乳油在稻后油菜田进行苗后茎叶处理除草试验,结果表明:3个选择性除草剂品种在不同剂量情况下,药后45d对于看麦娘的防效都超过99%。且在正常使用情况下,对油菜高度安全,可在常德市稻后油菜田苗后禾本科杂草防除上大力推广。
The results showed that the three selective weeds were treated with imported 5% quizalofop-p-ethyl, 8.8% quizalofop-p-ethyl and 10.8% imported flumethoxazole EC in the rape field after rice. In different doses of the agent, the anti-efficacy of the drug for 45 days was over 99% after 45 days. And under normal use, the rapeseed is highly safe and can be vigorously popularized in the control of grass weeds in the post-seedling rape fields of Changde City.