戊唑·咪鲜胺防治小麦赤霉病试验效果

China Plant Protection(2015)

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Abstract
为检验45%戊唑·咪鲜胺水乳剂防治小麦赤霉病的效果,以当地常用的防治药剂作为对照,进行了田间防治试验.在2014年安徽庐江试验区小麦赤霉病流行较重的情况下,于小麦初花期施第1次药,7d后施第2次药,至小麦赤霉病病情稳定时调查.45%戊唑·咪鲜胺水乳剂不同用量处理的病穗防效达65.49%~91.45%,病指防效达70.38%~92.66%.其中,600、750 mL/hm2处理的防效均高于对照药剂36%多·酮悬浮剂2 250 mL/hm2处理和20%烯肟·戊唑醇悬浮剂600 mL/hm2处理.45%戊唑·咪鲜胺水乳剂处理的增产效果明显,增产率达27.83%~35.94%,高于对照药剂.
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