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为探索轮换使用农药对于黄瓜霜霉病的防治效果,采用60%吡唑醚菌酯·代森联水分散粒剂、250 g/L吡唑醚菌酯乳油和33.5%喹啉铜悬浮剂3种药剂轮换处理春秋两季大棚中的发病黄瓜,结果表明,春秋两季大棚中轮换用药方法防治黄瓜霜霉病的病指减退率分别为85.48%、86.05%,均明显高于农户习惯施药模式。
In order to explore the control effect of pesticide rotation on cucumber downy mildew, 60% pyraclostrobin dexamethasone water dispersible granules, 250 g / L pyraclostrobin EC and 33.5% copper quinolinate suspension agent 3 The results showed that the decreasing rate of pathological index of rotten cucumber downy mildew was 85.48% and 86.05%, respectively, which were significantly higher than that of peasant households mode.