youyixiehuamuxuyaorenmenyongyidingdejishushouduancushiqitiqiankaihuahuoyanchikaihua。danyeyouyixiehuamu,tiqianhuoyanchikaihuaqueduiqishengchanjiweibuli。lishuqiujikaihuajiushiyigelizi,bujindaliangxiaohaoshutiyangfen,yanzhongxueruoshushi,erqieyindalianghuayatiqiankaifang,yanzhongyingxiangyiniandechanliangjipinzhi,tongshihaichoufadaliangqiushao、qiuye,yingxiangshutideanquanyuedong。 xiamiantaolunlishuqiujikaihuadeyuanyinjiyingduidebanfa。
lishuqiujikaihuaqizhuyaoyuanyinyousan:
yishihuayafenhuaqiyutianqiganhanhuoturangzhangqijishuidengziranzaihai,zaochengzaoqiluoye,cushihuayamengfakaihua;
ershiqianqibingchongfangzhibudangbingzaochengweihai,yinqizaoqiluoye,cushihuayatiqianmengfa;
sanshiqiujiyejianqiwenjiaodi,huayawanchengyidingdediwenjileihou,zaiyuqiujiyushuichongzudengshiyidewaibuziranhuanjing,congerdaozhiyidangnianfenhuadehuayakaifang。
lishuqiujikaihuayingduibanfa:
1、加强病虫防治。结合冬季修剪,清除园中的杂草、落叶和病虫枝,刮除树干的老皮,并集中烧毁,同时在梨树萌动前喷5波美度石硫合剂,这样可有效减少园中越冬的病虫源,预防病虫的再侵染。
2、peitaohaopaiguanxitong。zuodaohanshinengguan,laoshinengpai,yimanzulishuzhengchangshengzhangsuoxudeshuifen,bimianyinganhan、shuiziyinqidezaoqiluoye。
3、zaoshi、shenshijifei。guoshicaihoujishishirujifei,kebuchongshutiyingyangxiaohao,zengqiangshushi。zaishirujifeidetongshi,qieduanlelishubufengenxi,zanshidaposhutidishangbuyudixiabudepingheng,congeryizhihuayamengfa。