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文竹叶子发黄怎么处理

  • 编辑:植物之家薄荷
  • 浏览:
  • 最后更新:2018年12月08日
  • 手机版

文竹叶子出现发黄的症状时,要进行合理浇水,遵循不干不浇、浇则浇透的原则;养殖时放在具有湿润、通风和半遮光的环境中养护;受到红蜘蛛病虫害时,可使用洗衣液和水按照1:500稀释喷洒患病处;需每1~2年更换一次养分丰富的沙质土壤即可。

1、合理浇水

很多人问文竹叶子发黄怎么处理时,首先要了解文竹是一种喜欢湿润环境的植物,但浇水要遵循不干不浇、浇则浇透的原则,不要过度浇水和施水过少,以免出现根部腐烂和水份不足,从而导致文竹叶子发黄的现象出现,在生长期可每8~11天进行一次水份补给,满足其生长需求。

2、避免强光

养护文竹时要把它放在通风、湿润和具有充足散射的太阳光照射的地方,如果生长光线太强会加快枝叶的光合作用,导致叶片水份蒸发过多,从而引起叶片发黄的现象出现。

3、病害管理

引起叶片发黄的现象还可能是因为红蜘蛛引起的病虫害,红蜘蛛会使用蜘蛛网把文竹包裹住,影响文竹叶片的光照吸收,从而使光合作用减弱,降低植株体内的新陈代谢,导致枝叶发黄,可以使用常见的洗衣液和水按照1:500稀释喷洒到蜘蛛网包裹的叶片上,直到叶片发黄症状治愈。

4、疏松土壤

养殖文竹的土壤,需要每1~2年更换一次,要选择透气、排水性好和营养物质丰富的沙质土壤种植文竹,可以使用腐叶土和花园土以及颗粒土按照5:2:3的合适比例混合而成的土壤种植,避免因为土壤养分不足导致其出现叶片发黄症状。

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