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岐山县耕地面积3.68万hm2,其中苹果栽培面积6 400 hm2,挂果园4 333 hm2,年产商品果11.25万t,是陕西省苹果生产基地县之一。近年来苹果霉心病已成为本县苹果生产上的一大病害,是果实生长期、采收期和贮藏期的主要病害之一。经调查,2009年在本县苹果霉心病严重发生年份,全县平均病果率高达16.0%,最重果园病果率高达45%,严重影响了果品质量和果农的经济收入。为了有效控制该病的发生为害,提高果农收益,近几年县农技人员对该病的发生为害特点及综合防治措施进行了探索和总结。
Qishan County has a land area of 36,800 hm2, of which 6,400 hm2 are apples cultivated area and 4,333 hm2 with orchards, with an annual output of 112,500 tons of commercial products, making it one of the apple production bases in Shaanxi Province. In recent years, apple mold heart disease has become a major disease in the production of apple in this county, which is one of the main diseases during the growth, harvest and storage of fruits. The survey found that in 2009 the incidence of mildew in apple millennium in this county, the county average disease rate as high as 16.0%, the heaviest orchard disease rate as high as 45%, seriously affecting the quality of fruit and fruit farmers income. In order to effectively control the occurrence of the disease and improve the income of farmers, county agricultural technicians in recent years, the incidence of the disease characteristics and comprehensive prevention and control measures were explored and summarized.