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蔬菜病毒病是我省蔬菜生产上的主要病害之一,近年来有明显的上升趋势。1986年郑州、洛阳、开封、许昌和平顶山市菜区的春季晚番茄和甜椒、夏季番茄和甜椒病毒病的发病率多在30%以上,不少地块的发病率达90%以上。病害严重度2—4级,减产50%以上,是造成蔬菜(番茄、甜椒)淡季的最主要病害,而目前生产上还缺乏有效的防治措施。为了有效地防治病毒病,及早克服蔬菜供应中的淡季,我们于1986年夏季,在中牟
Vegetable virus disease is one of the major diseases in vegetable production in our province, with obvious upward trend in recent years. In 1986, Zhengzhou, Luoyang, Kaifeng, Xuchang and Pingdingshan vegetable district of the spring evening tomato and bell pepper, summer tomato and pepper virus disease incidence in more than 30%, many plots of the disease rate of 90%. The severity of the disease is 2-4 grades and the yield is reduced by more than 50%, which is the most important disease causing the off-season vegetables (tomato and bell peppers). At present, the production is still lack of effective prevention measures. In order to effectively control the virus disease and to overcome the off-season in the supply of vegetables as early as possible, in the summer of 1986,