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近期,山东济阳、寿光、沂南菜农打电话问:种植的黄瓜,不少出现流胶流脓,叶片从下到上都有黄色不规则的病斑,且病斑穿孔,有的瓜蔓、瓜条同时流脓,问是什么病,如何防治?这是黄瓜细菌性软腐病造成的,该病害在近两年时间里发病特别严重,该病能侵染黄瓜的茎、瓜、叶,以瓜条发病最为严重,瓜、叶发病造成黄瓜的产量和品质下降,茎部发病造成整株死亡,叶片发病时出现黄色不规则的病斑,后期病斑出现了穿孔,一般从中下部叶片开始发病;瓜条发病时从病部流出白色菌脓,未发病部位表面正常;茎部发病时,病部呈水渍状,湿度大时流胶,严重时纵向开裂腐烂。种子
Recently, Shandong Jiyang, Shouguang, Yinan farmers call to ask: planting cucumbers, a lot of flow of plastic pus, leaves from the bottom up have yellow irregular lesions, and lesions perforation, and some melon , Cucumber and pus at the same time, ask what is the disease, how to prevent? This is cucumber bacterial soft rot caused by the disease in the past two years the incidence is particularly serious, the disease can infect cucumber stems, melons, leaves , The incidence of melon is the most serious, cucumber, leaf incidence caused cucumber production and quality decline, the incidence of the entire plant died stems, the incidence of leaves appear yellow irregular lesions, post-emergence spots perforation, generally from the lower leaves Began to attack; melon incidence from the disease outbreaks of white fungus pus, non-onset site surface normal; stem disease, the disease was water-like, when the humidity of the plastic flow, severe longitudinal cracking decay. seed