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通过系统调查和观察,初步明确了Bt抗虫棉田龟纹瓢虫的发生规律、控害效果,并总结了Bt抗虫棉田龟纹瓢虫保护与利用的有效途径。
Through systematic investigation and observation, the occurrence regularity and the control effect of the ladybug beetle in the Bt cotton field were preliminarily identified, and the effective ways to protect and utilize the ladybird ladybug in the Bt cotton field were summarized.