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本刊讯(特约通讯员葛德光)日前,笔者从安徽省植保总站了解到,今年该省果树病虫害将中等至偏重发生,预计全省果树主要病虫害发生面积40万hm2。该总站专家提出一是梨病虫害。在幼果期需要重点防治梨黑星病、炭疽病、轮纹病、梨茎蜂、梨木虱、蚜虫、食心虫等。在果实成熟期重点防治梨黑星病、炭疽病、轮纹病、黑斑病、梨小食心虫、黄粉虫、梨木虱等。二是苹果病虫害。在幼果膨大期重点防治炭疽病、轮纹病、早期落叶病、白粉病、霉心病、蚜虫、食心虫、叶螨、金纹细蛾等。根据果树病虫害发生动态和天气状况适时用药,并注意药剂的交替使用及农药安全间隔期。
(Correspondent Ge Deguang) Recently, the author learned from the Anhui Plant Protection Station that the pest of the province’s fruit trees will be moderately to moderately-weighted this year. The estimated pest occurrence area of the province’s fruit trees is 400,000 hm2. The terminus experts put forward one pear pests and diseases. In young fruit need to focus on prevention and control pears scab, anthracnose, ring rot disease, pear stem bee, pear psylla, aphids, moth worms. In the fruit ripening focus on prevention pear scab, anthracnose, ring rot disease, melasma, pears moth, Tenebrio, pear psylla and so on. Second, apple pests and diseases. Prevention and treatment of anthracnose, ring rot disease, early deciduous disease, powdery mildew, mildew heart disease, aphids, moth worms, spider mites, gold moth and other mites in the expansion period of young fruit. According to the dynamic occurrence of pests and diseases of fruit trees and weather conditions timely medication, and pay attention to the alternate use of pesticides and pesticide safety interval.