19％丙环·嘧菌酯SC等药剂防治水稻纹枯病田间药效试验

Shanghai Agricultural Science and Technology（2019）

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Abstract

为探究19％丙环·嘧菌酯SC等4种药剂对水稻纹枯病的防治效果及对水稻生长的安全性,特进行了4种药剂的田间药效比较试验.结果表明,以每667 m2施用19％丙环·嘧菌酯SC 50 mL对水稻纹枯病的防效较好,持效期较长,第2次施药后14 d的防效可达85.51％,且对水稻生长安全.建议在水稻纹枯病发生初期,每667 m2施用19％丙环·嘧菌酯SC 50 mL喷雾防治,间隔10～14 d再用药1次,即可取得较好的防治效果.

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