Vertical distribution and statistical methods of the population of Bemisia tabaci on the cotton.
Author of the article:YANG Yi-Zhong，WU Juan，YU Yue-Shu，LU Yan-Hui，YUAN Ya-Mei，WAN Nian-Feng
Author's Workplace：(Department of Plant Protection, Agriculture College, Yangzhou University, Yangzhou 225009，China)
Key Words：Bemisia tabaci（Gennadius）; population size; vertical distribution; statistical methods
Abstract：Based on the investigation of vertical distribution of Bemisia tabaci on the cotton stems,it showed that B. tabaci can be found in all parts of the plant, but the density is significantly different among parts. For example, the amount of the