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河南信阳保护地草莓白粉病为害较重,并已出现抗药性问题。为探寻安全、有效的防治药剂,对75%肟菌.戊唑醇WG、50%醚菌酯WG、10%苯醚甲环唑WG、25%三唑酮WP、75%百菌清WP进行了药效筛选试验。结果表明,75%肟菌.戊唑醇WG 3 000倍液、50%醚菌酯WG 3 000倍液的防效较好,均在80%以上,与其他药剂的防效差异显著,且对草莓安全、无害,可以在信阳地区作为防治草莓白粉病的药剂推广应用。
Henan Xinyang protected strawberry powdery mildew heavier damage, and resistance problems have emerged. In order to find a safe and effective agent for the prevention and treatment of 75% tenfiprofen, tebuconazole WG, 50% azoxystrobin WG, 10% difenoconazole WG, 25% triadimefon WP and 75% chlorothalonil WP Pharmacodynamic screening test. The results showed that the control effect of 75% tenfloxacin, tebuconazole WG 3 000 times and 50% ketoxystrobin WG 3 000 times was better than 80%, which was significantly different from other agents, Strawberry safe, harmless, can be used in Xinyang as a strawberry powdery mildew drug promotion and application.