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随着设施蔬菜面积的不断增加,种植年限的加长,黄瓜根结线虫病有发生愈来愈重的趋势,据调查,有的大棚蔬菜种植户,连续几年种植黄瓜或番茄等,根结线虫病的发生率可达到90%以上,造成损失极大。一、症状主要发生在根部、侧根或须根上,须根或侧根染病后产生瘤状大小不等
With the continuous increase in the area of vegetable facilities, planting longer, cucumber root-knot nematode disease has occurred more and more heavy trend, according to the survey, some greenhouse vegetable growers, for several years planting cucumbers or tomatoes, root-knot nematodes The incidence of disease can reach more than 90%, resulting in great loss. First, the symptoms occur mainly in the roots, lateral roots or fibrous roots, fibrous roots or lateral root lesions ranging from tumor size