吡唑醚菌酯施用时期对水稻主要真菌病害防效的影响  

Effect of Pyraclostrobin Application Time on Controlling Major Fungal Diseases on Rice in Coastal Regions of Liaoning

作　　者：刘郁[1] 于亚辉[1] 

机构地区：[1]辽宁省盐碱地利用研究所,辽宁盘锦124010

出　　处：《福建农业学报》2016年第2期175-178,共4页Fujian Journal of Agricultural Sciences

基　　金：辽宁省农业领域青年科技创新人才培养计划项目(2015034);国家科技支撑计划项目(2015BAD01B02)

摘　　要：研究不同生育时期施用吡唑醚菌酯对滨海稻区水稻主要真菌病害的防效,分析该药剂的最佳施用时期。结果表明,吡唑醚菌酯能有效防治稻瘟病、纹枯病和稻曲病。在孕穗末期和齐穗期施用25%吡唑醚菌酯,稻瘟病、纹枯病和稻曲病防效分别达到91.11%,84.75%和80.12%,均高于其他施药时期。同时,在孕穗末期和齐穗期施药产量最高。This study aimed to determine the optimal time to apply pyraclostrobin for controlling the major fungal diseases on rice in the coastal regions of Liaoning.The results showed that the fungicide could effectively control the rice blast,sheath blight,and rice false smut,with efficacies approaching 91.11%,84.75%,and 80.12%,respectively,when applied at end of the booting stage and during the heading stage of the rice plants.Such application during the time period also rendered a maximum grain yield as a result.

关 键 词：吡唑醚菌酯 真菌病害 施用时期 防效 水稻 

分 类 号：S435[农业科学—农业昆虫与害虫防治]