Forecast of occurrence degree of rice planthoppers in late rice field by Markov chains transition matrix.
Author of the article:CHEN Guan-Hao
Author's Workplace：(Forecast Station of Plant Disease and Insect Pests of Huazhou City, Guangdong Province, Huazhou 525100, China)
Key Words：Nilaparvata lungens; degree of occurrence; Markov chains transitiom matrix; forecast
Abstract：Markov chains transition matrix was used to forecast degrees of occurrence of rice planthoppers in 2000 and 2001 in Huazhou City, on the basis of time serial data of occurrence degree of the pests′ main damage generation in late rice fields from 1979 to