植物叶子发黄的原因：发黄的原因及解决办法

植物图片 2019-06-05 10:49

我们的生活离不开植物，植物是我们的“氧气制造厂”，它吸收有害气体，吐出新鲜气体。当植物的叶子发黄则代表它生病了，那么我们还怎么办呢?我们一起去了解一下吧!

植物叶子发黄的原因

植物叶子发黄的原因分析和解决办法：

1、缺铁造成植物叶子发黄： 温室中木本花卉等，由于土壤肥力条件变化大，常会出现黄叶现象，特点是幼叶明显，老叶较轻，叶肉黄色，叶脉绿色，并形成典型网络。

解决办法：可施用硫酸亚铁水溶液来解决，其方法为：饼肥7份，硫酸亚铁5份，水200份配成倍液浇之。

2、浇水过多造成植物叶子发黄(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

解决办法： 应立即控水，并将花卉脱盆置于通风阴凉自吹干土团后再装回盆中。

3、长期缺水造成植物叶子发黄(旱黄)：叶子自下而上老叶先黄，若缺水时间稍长，则会全株黄叶，甚至死亡。

解决办法： 应立即浇水。

4、暴晒造成植物叶子发黄(灼黄)： 强烈阳光直射到一些喜阴的花卉(如吊兰、玉簪等)上，易引起花卉叶梢、叶缘发枯，叶子朝阳部分出现黄斑。

解决办法： 移到阴处即可。

5、阳光不足造成植物叶子发黄(缺光黄)： 长时间置荫蔽环境，叶子得不到足够阳光，不能形成叶绿素，整株叶子变黄继而脱落。

解决办法： 补充光照可避免此病。

6、植物施肥过多造成叶子发黄(肥黄)： 幼叶肥厚，有光泽，且凹凸不平。

解决办法： 应控肥、中耕、浇水。

7、植物长期缺肥造成叶子发黄(缺肥黄)： 幼叶、嫩茎处先黄，如见此现象后不及时施肥，也会造成全株黄叶甚至死亡。

解决办法：对缺肥的花卉，切忌一次大量施用浓肥，以免造成烧根!

植物叶子发黄的原因

拓展知识-植物的用途：

成千上万的植物物种被种植用来美化环境、提供绿荫、调整气温、降低风速、减少噪音、提供隐私和防止水土流失。人们会在室内放置切花、干燥花和室内盆栽，室外则会设置草坪、荫树、观景树、灌木、藤蔓、多年生草本植物和花坛花草植物的意象通常被使用于美术、建筑、性情、语言、照相、纺织、钱币、邮票、旗帜和臂章上头。

活植物的艺术类型包括绿雕、盆景、插花和树墙等。观赏植物有时会影响到历史，如郁金香狂热。植物是每年有数十亿美元的旅游产业的基本，包括到植物园、历史公园、国家公国、郁金香花田、雨林及其有多彩秋叶的森林等地的旅行。

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