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近几年,富士苹果红点病在烟台地区发生比较重,病果率占30%左右,个虽园片病果率达到70%以上。严重影响了果农的经济收入。据调查,2000年80mm以上套袋富士无明显红点病、黑点病,其收购价为每公斤2.4~4.0元,而果面上有一个或几个红点或黑点,其收购价为每公斤1.2元,价格相差较大。所以,解决富士苹果红点病、黑点病,提高果农经济收入,是生产需迫切要求解决的问题。
In recent years, Fuji apple red dot disease occurred in Yantai more serious, disease rate of about 30%, although a disease rate of 70% or more. Seriously affected the economic income of farmers. According to the survey, in 2000 more than 80mm bagging Fuji no obvious red spot disease, black spot disease, the purchase price of 2.4 to 4.0 yuan per kilogram, while the fruit surface has one or several red or black spots, the purchase price is 1.2 yuan per kilogram, the price difference between the larger. Therefore, the solution Fuji Apple red dot disease, black spot disease, improve the economic income of fruit farmers, is an urgent need to solve the production problem.