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一、引言 花生矮化病毒病是山东省七十年代发生的一种新的病毒病,1976—1977年在山东一度严重流行,一般病株率在20—30％,重者达60％以上。受害轻的一般损失20％左右,个别严重地块每亩只收20多斤。1979年后,病情显著减轻,田间病株率在1—10％之间。 关于该病的研究在我国未见报导,尚无明确的鉴定与研究结果。为此,两年多来,我们对其症状、病原、寄主植物、传毒途径及物化特性等方面进行了调查与研究。
I. Introduction Peanut dwarf virus disease is a new virus disease that occurred in Shandong Province in the seventies. From 1976 to 1977, it was once endemic in Shandong Province. The rate of diseased plants was 20-30% in general and over 60% in severe cases. Damage to the light of the general loss of about 20%, some serious block only received 20 kilograms per mu. After 1979, the disease significantly reduced the field strain rate of 1-10%. There is no report on the disease in our country, there is no clear identification and research results. For this reason, we have conducted investigations and studies on its symptoms, pathogens, host plants, transmission routes and physico-chemical characteristics over the past two years.