桑花叶病是广东蚕区桑树主要的病害之一。每年自早春至晚夏都发生为害,发病率10％左右,严重发病的田块发病率高达90％以上,使桑叶质量下降,产量受到影响。对本病国内研究得比较少,除了华南农学院植病教研室(1977)及农业部植检所(1983)报道过本病的病源以外,尚未见有关本病其他方面的研究报道。 Mulberry mosaic disease is one of the main diseases of mulberry in Guangdong silkworm area. Every year from early spring to late summer damage occurred, the incidence of about 10%, the incidence of serious disease in the field as high as 90%, so that mulberry quality decline, the output affected. The domestic research on this disease is relatively small, in addition to South China Agricultural University Department of Plant Diseases (1977) and the Ministry of Agriculture Institute (1983) reported the source of this disease, but no other aspects of this disease have been reported.