金钻叶子发黄的原因分析和处理方法

植物图片 2020-04-03 10:09

金钻以吸收各种有毒气体为养分（SO2、SO3、NO等），具有净化空气的作用，是较为流行的室内观叶植物，适合家居、写字楼、宾馆、酒店等场所。但是在养殖的过程中会出现一些问题，下面小编为大家介绍金钻叶子发黄的原因和解决方法，大家一起看看吧！

金钻叶子发黄

金钻叶子发黄的原因分析和解决办法：

1、浇水过多造成金钻叶子发黄(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： 将花卉脱盆置于通风阴凉自吹干土团后再装回盆中。

2、长期缺水造成金钻叶子发黄(旱黄)：缺水的黄与水多的黄不一样，缺水之黄为叶梢或边缘发枯、发干， 老叶自下而上枯黄脱落，但新叶生长比较正常。

解决办法： 注意浇水时浇足、浇透即可。

3、阳光不足造成金钻叶子发黄(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，补充光照可避免此病。

解决办法： 这把植物移动到有阳光的地方，让植物补充阳光，得以进行光合作用。

4、金钻施肥过多造成叶子发黄(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，通常叶面肥厚而无光泽，且凹凸不舒展，老叶子焦黄脱落。

解决办法： 应立即停止施肥，严重的用大量清洗冲洗部分肥料。

5、金钻长期缺肥造成叶子发黄(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。盆土缺氮，叶子小，叶色淡黄，下部叶先黄，逐渐整株失去绿色，下部更黄淡；盆土缺磷，叶子卷曲，叶色暗绿，下部叶的叶脉间黄化；盆土缺钾，下部叶边缘褐色易倒伏；盆土缺镁，由下至上叶子边缘和中部失绿变白；盆土缺铁，出现焦褐斑干枯。

解决办法：检查盆土，如有干结现象应换土，平时薄肥勤施并适时浇一些矾水。

6、土壤酸碱度造成金钻叶子发黄：金钻喜酸性土壤，而北方水质偏碱则出现叶子渐退色变黄甚至脱落。

解决办法： 最简单的办法是浇经过发酵的洗米水或雨水。

正常的金钻

金钻养护心得：

1、常通过喷水、洒水来增加空气湿度来改善。

2、气温需要保持在20℃左右，避开暖气、空调及冷风的吹袭。

3、忌强烈的光照直射，也不可长期摆放于荫蔽的环境下。

4、施肥以薄肥勤施为原则，氮肥为主。

5、冬天浇水在盆土表面见干时进行，夏天高温期可保持湿润。

专题： 处理方法 叶子发黄 金钻 原因分析
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