選用抗病優良品種 選擇適合當地生產條件的高產、抗病蟲、抗逆性強的優良品種。
加強栽培管理 一是保護地蔬菜實行輪作倒茬,如瓜類的輪作不僅可明顯地減輕病害而且有良好的增產效果。二是清理田園,徹底消除病株殘體、bingguohezacao,jizhongxiaohuishenmai,qieduanchuanbotujing。sanshicaiqudimofugai,moxiaguanshui,jiangdidapengshidu。sishishixingpeifangshifei,zengshifushudeyoujifei,peiheshiyonglinfei,kongzhidanfeideshiyongliang,shengchanghouqikeshiyongxiaotaidanyizhijishuangqingan,fangzhishucaizhongxiaosuanyandejileihewuran。wushizaipengshitongfengkoushezhixishawang,yifangbaifenshi、蚜蟲等害蟲的入侵。六是深耕改土、客土法等改進栽培措施。七是推廣無土栽培和淨沙栽培。
利用生態防治 一是“五改一增加”,即ji改gai有you滴di膜mo為wei無wu滴di膜mo,改gai棚peng內nei露lu地di為wei地di膜mo全quan覆fu蓋gai種zhong植zhi,改gai平ping畦qi栽zai培pei為wei高gao壟long栽zai培pei,改gai明ming水shui灌guan溉gai為wei膜mo下xia暗an灌guan,改gai大da棚peng中zhong部bu放fang風feng為wei棚peng脊ji高gao處chu放fang風feng;增加棚前沿防水溝,集棚膜水於溝內排除滲入地下,減少棚內水分蒸發。二是在冬季大棚的灌水上,掌握 “三不澆三澆三控”技術,即陰天不澆晴天澆,下午不澆上午澆,明水不澆暗水澆;miaoqikongzhijiaoshui,lianyintiankongzhijiaoshui,diwenkongzhijiaoshui。sanshizaifangzhibingchonghaishang,nengyongyanwujihefenchenjifangzhidebuyongpenwufangzhi,yijiangdipengneikongqishidu。sishichangcashipengmo,baochipengmodelianghaotouguangdu,zengjiaguangzhao,tigaowendu,jiangdixiangduishidu。wushitongguojiahouqiangti、雙膜覆蓋,采用壓膜線壓膜減少孔洞,挖防寒溝等措施,有效地減輕蔬菜的凍害和生理病害。
手機版




