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关于天敌对稻纵卷叶螟Cnaphalocrocis medinalis的控制作用问题,庞雄飞等在广东海陵岛做了大量的研究工作,并在生命表方法的基础上,根据Morris—Watt种群数学模型,提出排除分析方法,以控制指数为指标对天敌的作用进行评价。作者于1979至1980年在粤北的乳源瑶族自治县附城稻区开展水稻害虫综合防治试验期间,对稻纵卷叶螟的天敌及其对第二代种群数量的控制作用进行调查。现应用排除分析法和控制指数来
On the controlling effect of natural enemies on Cnaphalocrocis medinalis, Pang Xiongfei et al. Did a great deal of research work on Hailing Island, Guangdong Province. Based on the life table method and based on the Morris-Watt population mathematical model, , The control index as an indicator of the role of natural enemies to evaluate. The author investigated the natural enemies of Cnaphalocrocis medinalis and their control effects on the second generation population during the integrated pest management experiment in the paddy rice area of the Ruyuan Yao Autonomous County of Yueyuan in northern Guangdong from 1979 to 1980. Now use the exclusion analysis and control index