3种生物农药对西藏飞蝗的防治效果  

Control efficacy of three biological pesticides on Locusta migratoria tibetensis

作　　者：赵磊[1] 周俗[1] 严东海[1] 余勇 杨廷勇 张绪校[1] 

机构地区：[1]四川省草原工作总站,成都610041 [2]四川省理塘县草原站,理塘624300 [3]四川省甘孜州草原站,康定626000

出　　处：《植物保护》2015年第5期229-232,共4页Plant Protection

摘　　要：西藏飞蝗是川西北草原主要的生物灾害之一,近年来平均危害面积在7.5万 hm2左右,且呈现出逐年加重趋势。为加大对西藏飞蝗的防治力度,试验应用瑞·苏生防剂、2%阿维·苏云菌可湿性粉剂、1%苦参碱可溶液剂3种生物农药分别对西藏飞蝗进行小区和大面积防治试验,比较3种生物药剂的防治效果。结果表明,3种生物农药对西藏飞蝗的小区试验防治效果在89.99%～92.12%之间,大面积防治效果在86.50%～92.41%之间,均具有较高的防效,可作为防治川西草原西藏飞蝗的选用药剂。Locusta migratoria tibetensis is one of the main biological disasters in northwest Sichuan grassland.Dur-ing the past years,the annual damaged grassland area was 75 thousand hectares,and presents the increasing trend year by year.In order to effectively control L .migratoria tibetensis ,three biological pesticides were used for con-trolling L .migratoria tibetensis by plot experiments and large-area field trials.The control efficacies of the three biological pesticides are 89.99%-92.12% and 86.50%-92.41% in plot experiments and field trials,respective-ly,which indicates that the three biological pesticides all can be used for controlling L .migratoria tibetensis .

关 键 词：西藏飞蝗 生物农药 防治 

分 类 号：S482.39[农业科学—农药学]