不同除草剂组合对稻麦轮作区麦田抗药性杂草防效初探

Shanghai Agricultural Science and Technology(2021)

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Abstract
为了解不同除草剂组合对稻麦轮作区麦田菵草、日本看麦娘和繁缕等抗药性杂草的防效及对小麦生长的安全性,特进行本试验.结果表明,50%丙草胺EC(瑞飞特)、33%吡氟酰草胺·呋草酮·氟噻草胺SC(拜宝玛)和20%异丙隆OD等封闭性除草剂具有争主动、药害风险小等优点.其中,瑞飞特对麦田单子叶杂草具有较好的防效,但对阔叶杂草的防效不佳;拜宝玛对麦田禾本科杂草和阔叶杂草均具有较好的防效,但对猪殃殃的防效不佳.采取芽前土壤封闭与茎叶处理相结合的措施,能更好地达到杂草全程防控的效果.
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