陕北烟区Q型烟粉虱的发生规律及其防控措施

Study on the Population Fluctuation and its Prevention Measures of Q Bemisia tabaci in Shanbei Region

目的:了解陕北烟区Q型烟粉虱的发生消长规律以及有效的防治措施。方法:采用5点取样法进行调查各个时期Q型烟粉虱的数量,并运用生物数学的方法进行运算统计。结果:在烟区种群的消长成单峰型,10%吡丙醚+25%噻嗪酮+10%烯啶虫胺、0.6%印楝素、1.8%阿维菌素3种试剂防治效果较好。结论:陕北烟区Q型烟粉虱全面暴发在8月份,建议在8月前采用1.8%微生物源的阿维菌素和0.6%纯植物源的印楝素试剂进行防治。

Objective ： This paper is to study population dynamics of Q Bemisia tabaci and effective control measures in Shanbei region. Methods： Taking the sample method using five point survey the number of Q Bemisia tabaci and to count on the collection by using the method of biological mathematical statistics. Results ： the population fluctuation curve of it in the wild is a single peak and 10% pyrazole propyl ether＋25% thiamethoxam oxazine ketone＋ 10% ene worm amine, 0.6% neem element, 1.8% abamectin three reagents prevention effect are good. Conclusion ： Q Bemisia tabaci full-blown in August, it is recommended that the microbial source in August with 1.8% abamectin and 0.6% pure plant source of neem reagent for prevention and control.