guoshurizhuobingyechengrishaobing,pubianfashengyubeifangguoshuyuan,ganhannianfenfashengyouweiyanzhong。guoshurizhuobingchangfashengzaitao、pingguo、liheputaodengguoshuzhiganjiguoshishang。xiamianjidajiajieshaoguoshurizhuobingdefashengguilvjifangzhijiqiao。
yi、guoshurizhuobingdefashengguilv:
1、夏季发生
guoshurizhuobingxiajichangfashengzaishuifenbuzuyingxiangzhengteng,bunengdiaojieshutiwendu,shizhigandepicengheguoshiyinshoutaiyangzhishesuozhi。zhiganshouhai,shupichuxianbianse、bandian,zuihoujubuganku;guoshifasheng,guoshichanshengjinyuanxinghuobuguizedehesehuaisiban。
2、冬春发生
guoshurizhuobingdongchunfasheng,zhuyaofashengzaidongjihezaochun,youyuguoshuxibaodongjie,baitianyouyuyangguangzhishe,wendushenggao,yewanwendujujiang,zhishiguoshuyindongjieershiguoshupicengxibaohuaisisuozaocheng。
er、guoshurizhuobingdefangzhijiqiao:
1、dongchunguoshurizhuobingyufang。yufangdongchunguoshurizhuobing,zhuyaoyingcaiquzengqiangguoshukanghanxingnengdengyixiliecuoshi,tongshijinxingshugantubai,fanshetaiyangguang,yihuanheguoshushupidewendujubian。
2、夏日日灼病的预防。预防夏日果树日烧(灼)病,主要是在修剪时及时疏果,适当多留西南侧果树枝条,增加果树叶片数量,以减少阳光直射果树枝干和果实直接曝晒在阳光下的机会。同时还要保证夏季高温期间果树的水分供应,减低树体温度。