【摘 要】
：
西瓜枯萎病多在西瓜幼苗期侵染,伸蔓期开始发病,到膨瓜期达到发病高峰。其典型症状是萎蔫,发病初期夜间尚能恢复正常,持续3～5天后,即可枯死;切开病蔓检查,维管束明显变褐或黄
【机 构】
：
河南省范县经作站,河南省范县经作站 457500,457500
论文部分内容阅读
西瓜枯萎病多在西瓜幼苗期侵染,伸蔓期开始发病,到膨瓜期达到发病高峰。其典型症状是萎蔫,发病初期夜间尚能恢复正常,持续3～5天后,即可枯死;切开病蔓检查,维管束明显变褐或黄褐色,这是田间识别的主要依据。 防治西瓜枯萎病,应采取预防为主的综合措施。除实行合理轮作,避免重茬,及时清
Watermelon wilt and more in the watermelon seedling stage infection, stretching began to attack the onset of swelling to reach the peak incidence. The typical symptoms are wilting, the early onset of the night can still return to normal, continued 3 to 5 days, you can die; cut diseased vine inspection, vascular bundle significantly brown or brown, which is the main basis for field identification. Prevention and control of watermelon blight, prevention should be taken as the main integrated measures. In addition to implementing reasonable rotation, to avoid repeated cropping, timely clearance
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