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以往,黑龙江省大豆上很少发生病毒病,即使是花叶病株,也很难发现,近年来,许多地区陆续报道大豆病毒病发生日趋严重,其症状除花叶以外,还出现许多新的类型,病害常年引致减产,流行年则可造成毁灭性灾害,对我国大豆生产威胁极大。 东北农学院试验站1975年发现少数黄斑花叶型及顶枯型病株,1977年已发展到有些地块发病率高达50％以上,重者接近100％,1977及1978年发病盛期,我们曾在黑龙江省南部的阿城县、哈尔滨、五常、呼兰、双城、绥化,北部的北安、克山,东部的牡丹江、宁安、密山、佳木斯、友谊农场,吉林
In the past, the virus in Heilongjiang Province rarely occurred in soybeans, even the Mosaic plant, it is difficult to find that in recent years, many areas gradually reported that the occurrence of soybean virus disease is more serious, the symptoms in addition to mosaic, there are many new Type, disease perennial lead to reduced production, the popular year can cause devastating disasters, the threat to China’s soybean production is enormous. Northeast Agricultural College Experimental Station found in 1975 a small number of macular mosaic and the top dead strain, in 1977 has been developed to some parcels incidence of more than 50%, the weight of nearly 100%, the peak of the incidence in 1977 and 1978, we Once in the southern Heilongjiang Province, Aocheng County, Harbin, Wuchang, Hulan, Shuangcheng, Suihua, northern Beian, Keshan, the eastern part of Mudanjiang, Ning’an, Mishan, Jiamusi, Friendship Farm, Jilin