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秋白菜病毒病在新疆的发生范围和所引起的损失,年度间变化极大,同一年度内地区间也很有差异.据近年来的调查和估针,一般损失率达30—50%,也有个别地区大面积死亡,以致片叶无收的.从1953—1961九年中总的趋势看,病情仍继续在发展,并成为秋白菜生产的主要威胁.为了便于各生产单位拟订今后的防治计划和事先做好今年的具体安排,针对该病的特点、传播途径和流行规律,在以往的调查和研究的基础上,特提出下列综合防治原则的初步
Autumn cabbage virus disease in Xinjiang, the scope and the losses caused by the great changes in the year, the same year the inter-regional differences are also very different.According to recent surveys and assessment, the general loss rate of 30-50%, there are individual Large area deaths in the region caused the leaves to be cut off. From the general trend in the 1953-1961 nine-year period, the disease continues to develop and become a major threat to the production of autumn cabbage. In order to facilitate the preparation of future prevention and control plans and According to the characteristics of the disease, the route of transmission and the prevailing laws, based on the previous surveys and studies, the following specific preliminary arrangements are made: