TENDENCY FORECAST ABOUT THE OCCURRING INTENSITY OF PLANT HOPPER IN SICHUAN PROVINCE
Hu Yi；Liu Guiping；Xiang Weiguo（Chengdu Istitute of Meteorology）Gao Junchuan ；He Shulin；He Ming；He Zhongquan（Institute of Plant Protection，Sichuan Aeademy of Agricultural Sciences）
The relativity of the plant hopper occurrence and meteorological factors is analysed. The degree ofrice occurrence in SiChuan is forecasted using the step- by- step discriminant method. The effect offorecast is proved to be good.