Study on Spatial Distribution Type and Sampling Technique of Sylepta derogata Larvae

TAN Zhi-quan et al(College of Agriculture,Guangxi University,Nanning,Guangxi 530005)  

The x2 test of probability distribution,5 kinds of aggregation indices,Taylor power law and m*-m linear regression equation of Iwao were used to determine the spatial distribution type of Sylepta derogata larvae on Hibiscus syriacus L..Using the theoretical model of Iwao,the theory sampling number and sequential sampling model were determined.The results showed that S.derogate larvae showed an aggregation distribution on H.syriacus.

【Key Words】： Sylepta derogata Spatial distribution type Sampling technique
【Fund】： 广西大学科研基金项目(X081015)
【CateGory Index】： S435.622.9

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