1%精噁唑禾草灵泡腾片剂的研制及其除草活性

Guizhou Agricultural Sciences(2018)

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Abstract
为稻田杂草的有效防除提供新的药剂,进行1%精噁唑禾草灵泡腾片剂研制并检测其对水稻的安全性.结果表明:1%精噁唑禾草灵泡腾片剂的配方为:97.5%精噁唑禾草灵原药1%,十二烷基苯磺酸钠2.5%,可溶性淀粉6.5%,柠檬酸12%,萘磺酸盐3%,碳酸氢钠12%,无水硫酸钠补充到100%;制成的泡腾片剂有效含量0.98%,水分含量3.2%,悬浮率97.42%,崩解时间2.57 min;泡腾片剂对稗草的室内毒力略高于水乳剂,对水稻田稗草和千金子的平均防效均>80%,在水稻2~4叶期施用安全.1%精噁唑禾草灵泡腾片剂对一年生禾本科杂草的防效较好,提高了水稻田使用的安全性.
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