yanghuyushupenjing，yingjiangqizhiyuyangguangchongzu，tongfenglianghaodehuanjingzhong。danhenduorenxiangbizhefanying，zijideyushupenjingjingchangchuxianyepianfahuang、luoyedexianxiang，danyoubuzhidaowentichuzainali。benwenweinijieshaoyushupenjingyepianfahuang、luoyedeyuanyin。
yushupenjingyezifahuangdeyuanyin：
1、wendutaidi，zaochengshenglihuangye
2、shuizhitaijian，yibanqingkuangxiagaiqingkuanghenshaojian，shidangjiadiancujiukeyile。
3、guangzhaotaishao，zheigeyuanyinhenjiandanle，guanghezuoyong。
4、zhengchangdexinlaoyejiaoti。
5、zhangqijiaoshuihuolinyutaiduo、pendipaishuibuchangsuozhidegenxifulanzaochengde。jianyilijisongtu，bingzaipentuganzaohouzaijiaoshui，bingduanqineibunenggenbushifei。
6、duonianmeiyougenghuanturanghuoshiyongyoujifeiliao，weiliangyuansuquefasuozhi。jianyigenghuanbufenturanghuojiaoguanweifei。
7、langendaozhi。ruguogenbuquanbufulanyinggaimeijiule，ruguohaiyouxiaobufengenmeilan，yinggaihaiyoujiu，batazaidaodilipeiyangyiduanshijianzaishangpenjiuxingle，buguodongtianyaozhuyifanghuyixia，shaojiaoshui，jiukeyile。
榆树盆景落叶的原因
1、pentuguogan，turanjiadaliangdeshui，shizhiwutineixingchengliceng。huituranluoye。
2、dangfashengchonghaishishiyongjuzhileinongyaoyehuifashengdaliangluoye。
3、dangfeiliaoguozhong，rizhaoqianglieshiyepiankuhuang，yuyushuiyehuiluoye
4、yushuyouqibunaishuishi，dannaihan，qiebukejiaotaiduoshui，jishuirongyilangen，yushushidiaoyeleizhiwu，yezidiaoguangyemeishenme，danzhiyaoyushugenbumeiyoulanjiuxing。nikeyishaojiaodianshui，huozhebagennachulaikankan，lanledebufenjianqu，liangshaiyixiazaifangjinpenli，jiuxingle。
