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(更新,可能是缺钾)大师们帮我看看肯特公主怎么啦? |
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点评
我上网查了查,症状有点像,你也看看。
缺钾症状:先在老叶尖和下部叶缘先开始发黄,随着缺钾的加剧,黄化区域向叶中部发展,严重时直达基部。重病树叶卷缩畸形,新梢抽长弱短,根系生长也差。
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