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桑树萎缩病是一种毁灭性病害。七十年代后期,该病开始在皖西地区部分桑园中零星发生。由于当时没有采取必要的防治措施,后来便随着桑园面积的扩大而迅速蔓延。经过三年多的努力,我们已基本掌握了桑树萎缩病在皖西地区的发病情况及防治对策。一、发病情况皖西地区共有桑园80674亩,其中发生桑树萎缩病的桑园有30740亩,占栽桑面积的38.1%。全区6县1市、199个乡、680
Mulberry atrophy is a devastating disease. In the late seventies, the disease began sporadically in some mulberry fields in western Anhui. Because at the time did not take the necessary prevention and control measures, then it will soon spread with the expansion of mulberry fields. After more than three years of hard work, we have basically mastered the morbidity and control strategies of mulberry atrophy in western Anhui. First, the incidence of disease in western Anhui Province, a total of 80674 acres of mulberry, Mulberry mulberry, which occurred mulberry blight 30,740 mu, accounting for 38.1% of mulberry area. The region 6 counties and 1 city, 199 townships, 680