guihuayebanbingzhuyaoweihaiguihuadeye、hua、guo,guangfanfenbuyushanghai、jiangsu、anhui、fujian、liaoning、hebei、sichuandengdi。
桂花叶斑病症状如图
gaibingjunduocongyeyuanhuoyejianqinru,bingbanzuichuweidanhuanglvse,houzhujiankuoda,chenghuihesezhihuise,xingzhuangbuguizehuojinyuanxing,bianyuanmingxian。houqibingbanshangchanshengxuduoheisexiaodian,jibingjundefenshengbaoziqi。shuguanxiabushouhaichangbidingbuzhong,laoyefabingbixinyeyanzhong。
guahuayebanbingdefabingguilv:bingjunzaibingyehebingluoyeshangyuedong,cinianchunjijiefengyuchuanbo。duoyuhechaoshihuanjing、qiwenda15~20℃shirongyifabing,zhangjiangzhongxiayoudiqufabingqizai6~10yue。
guihuayebanbingkecaiquyixiacuoshijinxingfangzhi:
1、qingchubingye,yuhoujishipaishui,jiangdihuanjingshidu。
2、jiaqiangzaipeiguanli,zengshifeiliao。tianqizaoreshiyingshidangjiaoshui,yijiaqiangshushihetigaokangbingli。
3、yaojifangzhikecankaoguihuakubanbing。