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研究简便易行的第二代棉铃虫卵量调查方法是棉铃虫调查中的一个主要问题。作者经过调查和分析,提出了两个双重取样法。第一种方法的主要优点是省工,第二种方法除省工外还可以提前对卵量进行估测。
The investigation of the second generation cotton bollworm eggs survey method is a major problem in the survey of cotton bollworm. After investigation and analysis, the author put forward two double sampling methods. The main advantage of the first method is labor-saving, the second method in addition to the provincial workers can also be estimated in advance on the amount of eggs.