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茄子叶子发黄怎么办
更新时间: 2020-10-14 00:00:00  

旱黄 :缺水之黄为叶梢或边缘发枯、发干,老叶自下而上枯黄脱落,浇水时浇足、浇透即可;缺肥黄 :表现在嫩叶颜色变淡,呈黄或淡绿色,而老叶比较正常或逐渐由绿转黄,盆土如有干结现象应换土,平时薄肥勤施并适时浇一些矾水补铁;缺光黄: 长时间置荫蔽环境,叶片得不到足够阳光,不能形成叶绿素,整株叶片变黄继而脱落,补充光照可避免此病;肥黄 :施肥过多或浓度过大引起的花卉发黄,表现在新叶顶尖出现干褐色,一般叶面肥厚而无光泽,且凹凸不舒展,老叶片焦黄脱落。应立即停止施肥,严重的用大量清洗冲洗部分肥料;灼黄 :强烈阳光直射到一些喜阴的花卉上,易引起花卉叶梢、叶缘发枯,叶片朝阳部分出现黄斑,移到阴处即可;水黄 :嫩叶暗黄且无光泽,老叶无明显变化,枝干细小黄绿,新梢萎缩不长,表明浇水过多,将花卉脱盆置于通风阴凉自吹干土团后再装回盆中。

关键词: 茄子 叶子 发黄 怎么办

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