zaiguoyuanzaipeiguanlizhong,renmenwangwanghushigenbubinghaidefangzhi,congerzaochengbubiyaodemafanhejingjisunshi。qishigenbubinghaidefangzhiyushushangbufentongyangzhongyao。xiamianweinijieshaoguoshugenbubinghaidefangzhizhishi。
guoshugenbufashengbinghaidezhuyaoyinsuyou:turanghuanjingbuliang,ruturangjishui、dixiashuiweigao;genxishoudaoyouhaishengwudeqinran,rumouxiebingyuanzhenjun、xijun。zailiangzhongyuanyinzhong,laohaishiyoudaogenbubinghaidezhuyin。genbubinghaiyingyiyufangweizhu,zhiliaoweifu。
guoshugenbubinghaifangzhicuoshi:
yi、gaohaopaiguansheshi。jizaoxiuhaopaiguanshuigou,dayufangkuaizihoujishipaichuguoyuanjishui,wanshanpaishuisheshi,bushiguoyuanjishui,shifangzhiguoshugenbubinghaijilaohaidegenbencuoshi。
er、jiaqiangzaipeiguanli。guoyuanduoshiyoujifei,gailiangturangjiegou。yemianpenfei,zengqiangshushi,tigaoshutidenailaonenglijikangbingnengli。
san、zhuyibingshuzhiliao。dangshushangdeyepianshishuiqinggan,yejianyeyuankujiao,yepianbianhuangshi,yingzuohaoyixiagongzuo:
1.xunzhaobinggen。xianbakaigenjituceng,wazhigenjibu,jianchagenjingchu,faxianbingbanhou,yanbingbanxiangxiazhuixunzhugen、cegenhexugendefabingdian。
2.qingchubinggen。duizhengtiaolangen,yaocongjibujuchuhuojiandiao。quchudebinggenyaodaichuyuanwaishenmaihuoshaohui。
3.药剂灌根。为防止病株使其余根系染病,应以树体为中心,挖4-6条深60厘米、宽30-40厘米、长至树冠外围的放射状沟,灌50%退菌特可湿性粉剂300倍液,或用70%的甲基托布津可湿性粉剂800倍液,或200倍硫酸铜药液,每株施用药量视树体大小而定。