近年来 ,套袋红富士苹果红点病一直困扰着我市的苹果生产。尤其是 1998～ 2 0 0 0年 ,连续 3年的严重干旱 ,更加重了该病的发生 ,2 0 0 0年达到了高峰 ,严重园片病果率高达 80 %以上 ,全市平均病果率为 5 0 %。严重影响了套袋苹果的外观质量和经济效益。 2 0 0 1年我市降雨量达 In recent years, bagging red Fuji apple red dot disease has plagued the city’s apple production. In particular, from 1998 to 2000, the severe drought of three consecutive years further aggravated the occurrence of the disease and reached a peak in 2000. The rate of serious disease in the garden was as high as over 80%, and the average disease rate in the whole city Is 50%. Seriously affected the appearance of bagged apple quality and economic benefits. In 2001, the city’s rainfall reached