烯肟菌胺与噻呋酰胺防治水稻纹枯病的室内毒力测定及田间试验

Agrochemicals(2015)

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Abstract
[目的]探索烯肟菌胺与噻呋酰胺防治水稻纹枯病的效果及剂量.[方法]采用Sun-Johnson法测定室内联合毒力,并验证30%烯肟菌胺·噻呋酰胺SC对水稻纹枯病的防效.[结果]烯肟菌胺与噻呋酰胺对水稻纹枯病菌的EC50值为0.352、0.083 mg/L,烯肟菌胺与噻呋酰胺5∶1~1∶5五个配比具有显著的增效作用;田间药效试验表明,30%烯肟菌胺·噻呋酰胺SC 76~92 g a.i./hm2的用量对水稻纹枯病有较好的防治效果.[结论]30%烯肟菌胺与噻呋酰胺SC用于防治水稻纹枯病,有较好的防治效果.
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