The spatial distribution pattern and sampling technique of Prodenia litura in the cornfield
Author of the article:WANG En-Guo; CHEN Ke-Song; LI Da-Lin; LUO Gui-Lou
Author's Workplace:(Plant Protection Station of Linhai City; Zhejiang Province; Linhai;317000 China);
Key Words:Prodenia litura; vegetable corn; spatial distribution pattern; sampling technique;
Abstract:Three methods of aggregated indices and Iwao's way (regressive relation by M * -m) and power law of Taylor were used to test the spatial disritbution pattern of Prodenia litura in the vegetable corn field. The results showed that the larvae of P. litura b