3种新药剂对小麦白粉病的防治效果研究

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英文篇名：Evaluation of the Efficacy of Three New Fungicides in Controlling Wheat Powdery Mildew 作者：郭兆枢 英文作者：GUO Zhao-shu;Diduo Agricultural Service Center of Xinghua City; 关键词：小麦白粉病 ; 杀菌剂 ; 病指防效 英文关键词：Wheat powdery mildew;;Fungicide;;Control efficacy based on disease index 中文刊名：DMKX 英文刊名：Barley and Cereal Sciences 机构：江苏省兴化市荻垛镇农业服务中心; 出版日期：2018-10-26 15:07 出版单位：大麦与谷类科学 年：2018 期：v.35;No.140 语种：中文; 页：DMKX201805007 页数：3 CN：05 ISSN：32-1769/S 分类号：40-42

摘要

小麦白粉病已成为江苏省兴化市小麦主要病害之一,在小麦白粉病发病初期选择合适的杀菌剂能有效控制该病的暴发。选择3种新型杀菌剂对小麦白粉病的防治效果研究,结果表明,25%吡唑醚菌酯SC可以成为防治小麦白粉病的主推药剂,可在兴化地区生产中进行大面积推广,而15%氯啶菌酯EC在大面积推广时须注意使用剂量。
        Wheat powdery mildew has become one of the main diseases of wheat in Xinghua City. Previous studies and practice have shown that application of suitable fungicides can effectively prevent and control its outbreak. Therefore, with the aim of selecting effective fungicides against this disease, a field trial was performed in Xinghua City during the wheat growing season between 2017 and 2018 to assess the efficacy of three new fungicides in preventing and controlling wheat powdery mildew. The results showed that both 25% pyrazolate SC at the application rate of 40~60 m L/667 m2 and 15% chlorpyridine ester EC at the application rate of 60 m L/667 m2 effectively prevented the occurrence of wheat white powder, each of which attained the efficacy(based on disease index)higher than 90%.

引文

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