Objective prediction models for damage caused by brown planthoppers to late plan ted rice.
Author of the article:LI Jun1，JIANG Yao-Pei2，YANG Qiu-Zhen1，WANG Zhi-Xiong2
Author's Workplace：(1.Shanghai Meteorological Institute,Shanghai 200030,China；2.Shanghai Agrotechnique Extension Service Center, Shanghai 201103,China)
Key Words：objective prediction models; damage degree; brown planthopper; late planting rice
Abstract：Based on stepregression and step-differentiating methods, long-, medium-, a nd short-range objective prediction models were established to predict degrees of da mage caused by brown plantoppers to late planted rice. Predictors were selected according