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黄瓜种植管理:黄瓜根线虫防治方案
随着病情的发展,植株逐渐枯死。 二、黄瓜根线虫病原及生物学特性 黄瓜根结线虫病病原主要为南方根结线虫(学名:Meloidogyne incognita Chitwood),属植物寄生线虫。病原线虫以卵在土壤中越冬,卵孵出的幼虫称2龄侵染幼虫,借助雨水、灌溉水传播,从幼嫩根尖 ...
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