新郑市枣疯病风险评估报告
NONGJIA KEJI(2017)
Abstract
枣疯病是枣树的一种毁灭性病害,枣疯病的发生,一般先在部分枝条和根蘖上表现症状,而后渐次扩展至全树.一旦发病,翌年就很少结果,最终可整株死亡,对生产威胁极大.给当地带来了严重的危害.
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