1、土壤不适
jianlangenxifadacuzhuang,duiturangdetouqixingyaoqiujiaogao,ruguozhongzhijianlanyongdeshibufuhejianlanxixingdezhanxingtu,zehuiyingxianggenxi,yezifahuangfayan。
2、光照过少
jianlanshibijiaoxihuanguangzhaochongzudelanzhong,ruguoyanghuguochengzhongguangzhaobuzubujinhuishaokaihua,haihuizaochengyezifahuang,meihuoli。
3、施肥过浓
jianlanyaoxiangkaihuadefanmao,xuyaojingchangshifei,tigongfeiliao,danshifeiguononghuizhuoshanggenxi,daozhijianlanyezifahuangkuwei。
4、根腐病侵染
genfubingqinranjianlanhuizaochenggenxifulan,dishangyepianshengzhangbuliang, yesetuilv、fahuang,shenzhizaochengzhizhuweiyan,binghaideqinranyeshijianlanyezifahuangdeyuanyinzhiyi。
5、蚧壳虫危害
jieqiaochongzhuyaoweihaijianlandeyepianzhitiao,huizaochengyezifahuang,zhitiaokuwei,ruguofaxianjianlanyezifahuangyaojianchakanshibushijieqiaochongdeyuanyin。
建兰叶子发黄解决方法
1、turangbushijiejuefangfa:yangzhishixuanyongshusongfeiwohepaishuilianghaodefuyetuzuihao。
2、guangzhaoguoshaojiejuefangfa:richangyanghukejiangqifangzailanshilanjiazuishangmianrongyijianguangdedifang,jinliangshaozheyin。
3、shifeiguonongjiejuefangfa:jianlanshifeiyaojianchibofeiqinshideyuanze,zheiyangjianlancaishengzhangjianzhuang,duokaihua。
4、genfubingqinranjiejuefangfa:jiangjianlanbingzhupaoruyaoyezhong20~30fenzhong,laochulianggan,yongxinjizhicongxinzaizhong。
5、jieqiaochongweihaijiejuefangfa:jieqiaochongkeyong40%yanghualeguo1000beiye,huo50%malaliulin1500beiye,huo255yaanliulin1000beiye,huo50%didiwei1000beiye,huo2.5%xiuqingjuzhi3000beiyepensha。
yezifahuangshizhiwuyanghubudangchangjiandetixianfangshi,jianlanyeyiyang,yanghubudangyezifahuanghuiyanzhongyingxiangjianlandeguanshangjiazhi,yejiangdibuzhimeihuahuanjingdexiaoguo,yishangshijianlanchangjiandeyezifahuangyuanyinjijiejuefangfa,xiwangnengbangdaodajia。