【摘 要】
：
柑桔白粉病的发生与防治龚泽廉，李福贵，赵开俊（四川省荣县农业局６４３１００）（四川省荣县墨林乡杨柳沟果场）荣县柑桔栽培面积４５００ｈｍ２，常年产量１．５万ｔ。近年来柑桔白粉病在部分桔园危害逐年加重。该病为害幼
【机 构】
：
四川省荣县农业局，四川省荣县墨林乡杨柳沟果场
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柑桔白粉病的发生与防治龚泽廉，李福贵，赵开俊（四川省荣县农业局６４３１００）（四川省荣县墨林乡杨柳沟果场）荣县柑桔栽培面积４５００ｈｍ２，常年产量１．５万ｔ。近年来柑桔白粉病在部分桔园危害逐年加重。该病为害幼嫩枝条、叶片和幼果，造成树势衰退，产量下降...
Occurrence and Control of Citrus Powdery Mildew Gong Zelian, Li Fugui, Zhao Kaijun (Rong County Bureau of Agriculture, Sichuan Province 643100) (Yangliuogou Fruit Farm, Meilin Township, Rongxian County, Sichuan Province) Citrus cultivated area in Rongxian is 4500hm2, with perennial output of 15000 t. In recent years, citrus powdery mildew has been aggravating year by year in some orange orchards. The disease damage young shoots, leaves and young fruit, resulting in decline of the tree, yield decline ...
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