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2014年12月至2015年2月,河南扶沟、辽宁凌源、山东潍坊、山西晋中等黄瓜主产区大面积暴发黄瓜细菌性茎软腐病,黄瓜病茎和果实上出现流脓现象,后期茎、果腐烂,整株死亡,经济损失严重。我们进行了田间实地调研、采样、病原菌分离鉴定等工作(图1),记述如下,希望对病害的防控有帮助。1田间发病症状田间调查发现,黄瓜果实、茎干、叶片均有发
From December 2014 to February 2015, large-scale outbreak of cucumber bacterial stem rot in cucumber main producing areas such as Fugou of Henan Province, Lingyuan of Liaoning Province, Weifang of Shandong Province and Shanxi Jinzhong of Shanxi Province, and the occurrence of pus phenomenon on diseased stems and fruits of cucumber, Post-stem, fruit rot, the whole plant died, serious economic losses. We conducted a field research, sampling, isolation and identification of pathogens and other work (Figure 1), described below, hoping to control the disease helpful. 1 Field incidence symptoms Field survey found that cucumber fruit, stems, leaves are hair