离差均方比相似分析法在早稻纹枯病流行程度预测中的应用

The Forecast of Rice Plant Sheath Blight by the Similar Analysis of Compare of Deviation Square

选取与早稻纹枯病流行程度关系密切的 5个气象因子作为相似因子 ,应用离差均方比相似分析法预测 1998、1999年早稻纹枯病流行程度 ,预测结果和实况完全相符 ,回测历史符合率达 10 0 %。

The data of five climatic factors related with the sheath blight of rice plant as the similar factor,in 1998 and 1999 was analyzed with the Similar Analysis of Compare of Deviation Square, and the result was in correspondence with the actual situation. It was a simple method of forecasting the sheath blight of rice plant.