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棉铃虫在乌鲁木齐南郊的胡麻栽培区,危害胡麻十分严重。如永丰公社的永公二大队,七九年种植的六百多亩胡麻因受棉铃虫的危害,结果颗粒未收。几年来虽用化学药剂进行防治,由于棉铃虫抗药性能增强,效果愈来愈差。同时污染环境也很严重。为探索新的防治途径,除了用赤眼蜂在该地区进行试验防治外,永丰公社的个别生产队,利用改变播期种的方
Cotton bollworm in the southern suburbs of Urumqi flax cultivation area, endanger flax is very serious. For example, the Yonggun Second Brigade of Yongfeng Commune, the 600-hectare flax grown in 1979 was endangered by bollworm and the result was that the pellets were not collected. Although chemical pesticides have been used for several years to prevent and control, due to the enhanced resistance of cotton bollworm, the effect is getting worse and worse. At the same time polluting the environment is also very serious. In order to explore new ways of prevention and treatment, in addition to the Trichogramma trial control in the region, the individual production team Yongfeng commune, the use of change sowing parties