栗瘿蜂瘿瘤空间分布型及抽样技术研究

A research into space distribution of Dryocosmus kuriphilus Yasumatsu insect tumour and research of sampling technique

栗瘿蜂瘿瘤的空间分布型为聚集分布 ,用泊松、奈曼、负二项分布 3种公式进行拟合表明 ,瘿瘤的空间分布型为负二项分布。通过对抽样技术的研究 。

Being an assembling distribution,the space distribution of Dryocosmus kuriphilus Yasumatsu insect tumour is of Negative Binomial as analysed it comprehensively by Possion,Neymann,and Negative Binomial.After the research of sampling technique,a theoretically sampling digital table under the different allowed errors and a successive sampling table of different curing limits were drawn.