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本文研究了桃小食心虫 (CarposinaniponensisWalsingham )卵在苹果园的空间分布型及密度分布。通过测定桃小食心虫卵在苹果树上的密度除东下外各方位没有显著差异 ,卵的分布型 ,在各方位均呈聚集分布。确定了以田间“Z”字型九点取样 ,每点调查 2 0个果的调查方法。通过多点试验 ,调查结果准确可靠。为方便、科学地调查桃小食心虫提供了依据。
In this paper, the spatial distribution and density distribution of eggs of Carposinaniponensis Walsingham in apple orchard were studied. Through the determination of peach mungbean eggs density in the apple tree in addition to the east and outside of all directions there is no significant difference in the distribution of eggs in all directions were aggregated distribution. Determined to the field “Z” font nine sampling, investigation of 20 fruit per point survey method. Through more tests, the survey results are accurate and reliable. For convenience, scientific investigation of peach worm provide the basis.