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近年来,甜椒病毒病在北方菜区日趋严重。据中国农科院蔬菜所植保研究室调查,一般发病率为60—70%,严重地块达100%,这与郑州、中牟、开封等地相似。甜椒植株感染病毒后,可引起落花、落果、甚至生长点坏死,果实变小畸形,果皮变薄,风味减色。尤其后期天气干旱,灌水不及时,这种现象更为严重,是影响产量的主要原因之一. 甜椒病毒病目前国内外尚无理想防治方法。据甜椒喜肥的特点,以及国外报导“锌”对烟草花叶病毒有钝化作用的启示。近年
In recent years, pepper virus disease in the northern vegetable growing serious. According to the investigation by the Plant Protection Office of the Chinese Academy of Agricultural Sciences, the general incidence rate is 60-70% and the block area reaches 100%. This is similar to Zhengzhou, Zhongmou and Kaifeng. Sweet pepper plants infected with the virus, can cause falling flowers, falling fruit, and even the growth point of necrosis, the smaller the fruit deformity, peel thinning, flavor discoloration. In particular, the late arid weather, irrigation is not timely, this phenomenon is more serious, is one of the main factors affecting the yield of pepper virus disease at home and abroad there is no ideal prevention and treatment methods. According to the characteristics of sweet pepper hi fat, as well as foreign reports of “zinc” on tobacco mosaic virus passivation effect enlightenment. in recent years