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桑萎缩病农民称为“癃桑”、“癃头桑”或“拳桑”等等,是我国桑树病害中威胁生产最大的一种。本病在我国重要桑区如浙江、江苏的不少地区都严重发生,其他如安徽、山东、河北、福建、广东、湖北,四川等省也有不同程度的为害,并且有增加和蔓延的趋向。因此,国务院在1957年10月22日正式批示列为对内植物检疫对象。本病在我国历史记载上,最初见之于十七世纪初(明末)的《沈氏农书》运田地法第六
Mulberry atrophy farmers called “mulberry mulberry”, “mulberry mulberry” or “boxing mulberry” and so on, is China’s mulberry diseases threaten the production of a maximum. The disease in our important mulberry area such as Zhejiang, Jiangsu in many areas are serious, others such as Anhui, Shandong, Hebei, Fujian, Guangdong, Hubei, Sichuan and other provinces also have different levels of damage, and there is an increase and spread of the trend. Therefore, the State Council formally instructed on October 22, 1957, to list as the target of phytosanitary quarantine. The disease in our historical records, first seen in the early seventeenth century (late Ming), “Shen’s Agricultural Book of land law” sixth