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1997年,我县草地螟暴发生,发生范围之广,危害程度之重,是历史上罕见的一年。6月23日我站到土甲乡与八道沟镇进行田间调查,百步惊蛾量平均3000～4000头,在亚麻、马铃薯田内杂草上调查,卵加幼虫94.5粒、头/m~2,尤其是八道沟闫房洼村1996年草地螟发生较重。1997年,我们继续进行跟踪监测,调查结果是卵加幼虫250粒、头/m~2,其中卵242粒/m~2,幼虫8头/m~2,并预测将在6月底为孵化盛期,由于1996年该村部分农户因草地螟的危害造成了绝收,引起了该镇村领导的重视,他们防治草地螟的措施是: 1 领导重视,认识到位。该村根据植保站对草地螟预报结果,准备药械,购
In 1997, our county grass borers storm occurred in a wide range of occurrences, the extent of the damage, is a rare year in history. On June 23, I stood for a field survey in Tujia and Badaogou, with an average of 3,000 to 4,000 headstripped by an average of 94,000 grains in flax and potato fields with 94.5 eggs and larvae per head , Especially in the Badaogou Yanfangwa village 1996 severe occurrence of meadow moths. In 1997, we continued to carry out follow-up monitoring. The result of the survey was that there were 250 eggs / larvae with an average of 242 eggs / m ~ 2 eggs and 8 larvae / m ~ 2 eggs. In 1996, as a result of the harm caused by the stem borer to some peasant households in the village in 1996, it caused the leaders of the towns and villages to pay more attention. The measures they have taken to prevent and control the grass stem borer are as follows: 1 The leadership attaches great importance to recognizing the place. The village according to the plant protection station on the grass borer forecast results, preparation of medicine, purchase