朱顶红叶子发黄怎么办?
1、新陈代谢
zhudinghongruguoyanghudedangyechuxianyezifahuangdeqingkuang,neiyibanshizhudinghongzhuzhidezhengchangxinchendaixie,laoyehuijianjianfahuangdiaoluo,zheizhongqingkuangxiabuxuyaogaibianyanghuxiguan,zhixuyaobalaodiaodefahuangyezijiandiaojiukeyile。
2、品种区别
zhudinghongpinzhongfeichangduo,buxunyuyujinxiang,yibanzhudinghongdeyezidoushichangnianqingcuibilv,danjinbianzhudinghongdeyezishilvzhongdaihuangbantiao,ruguoyepianshengzhangpinghuazhengchang,neijiubushishenmebingzhengyinqi,ershipinzhongdequbie。
3、浇水过多
zhudinghongxishirun,danjijishui,wulunpenzaihuoludizaipeijiaoshuiguoduodouhuiyinqiyepianfahuang。jiejuefangfa:zhudinghongbuyaojingchangjiaoshui,pentubaochishaoganjiaohao,danshengzhangqijianhaishixuyaotigongchongzushuifen,lingwaiyeyaoshiyongpaishuixingnenglianghaodeturangjinxingzhongzhi,yimianpentujishui。
4、光照过强
zhudinghongxiguang,danguangzhaobuyiguoqiang。ruyanrexiajilieripushai,huiyinqiyejiankujiao、yepianfahuang。jiejuefangfa:zhudinghongzaishengxiayingfangzhizairizhaobutaiqiangdedifangyanghuhuocaiqushidangzheyincuoshi。
5、施肥不当
zhudinghongshifeiguononghuoshiweijingchongfenfushudeyoujifei,youqizaixiajigaowenxiashifei,huizaochengfeihai,shiyepianfahuang。jiejuefangfa:zhudinghongbunengshiruweijingfajiaofushudefeiliao,bunengshichunlinzhifei。
6、病害侵染
zhudinghongzaoshouyebanbingheyekubingweihaishi,yehuishiyepianfahuang。jiejuefangfa:fabingchuqikeyong50%tuijunte1000beiyehuoyong70%tuobujin1500beiyehuo65%daisenxin800beiyedengpenshi,meizhoupenyici,lianxushuzhou。
7、虫害危害
zhudinghongzhuyaochonghaishihongzhizhu,chuxianhongzhizhuzhudinghongyehuiyezishousunfahuang。jiejuefangfa:hongzhizhujiaoshaoshikeyishouzhuochuli,bijiaoyanzhongshikeyong40%sanlvshamanchunruyou1000beiyepensha。
zhudinghongshiguanshangxiaoguobijiaohaodehuahuizhiwu,huadaseyan,zhuxingyoumei,yepianbilv,danruguoyanghubudangzhudinghongdeyepianhuifahuangeryingxiangguanshang,xiabianweidajiazhenglilezhudinghongyezihuangdeqidayuanyinjijiejuefangfa,xiwangduidajiayoubangzhu。