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秋菜的种类很多,主要为秋白菜、萝卜、甘蓝、大葱等蔬菜作物。秋菜在生育过程中常因品种抗病性、栽培条件、自然环境等因素的影响,发生多种病害,最终导致减产、品质下降或绝收。经多年实际调查,我省常发性病害和防治方法如下: 一、秋白莱的主要病害 1.白菜病毒病:此病主要病源为芜菁花叶病,以蚜虫传毒。为主,当白菜发病时,叶片表现出明脉、花叶、皱缩、扭曲、坏
Many kinds of autumn vegetables, mainly autumn cabbage, radish, cabbage, green onions and other vegetable crops. Autumn vegetables in the reproductive process often due to disease resistance, cultivation conditions, the natural environment and other factors, the occurrence of a variety of diseases, eventually leading to reduced production, decline in quality or absolute. After years of actual investigation, the province of the common diseases and prevention methods are as follows: First, the main diseases fall Cabernet 1. Cabbage virus disease: The disease is the main source of turnip mosaic disease, aphids poisoning. Mainly, when the cabbage incidence, the leaves showed Ming veins, mosaic, shrunk, twisted, bad