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莲藕腐败病是什么症状,怎么防治?

发布日期: 2019-05-02 22:55

dg真人游戏lianouwenbingyouchengweilianoufubaibing,shilianouzhongzhiguochengzhongdezhongyaobinghaizhiyi,duilianoushengchanyingxianghenda,yidanhuanbingyibanbingtianjianchan20%、yanzhongdeda60%~80%。jintianxiaobianjiulaishuoshuolianouwenbingdezhengzhuang、weihaihefangzhifangfa。

fabingguilv:

lianwenzhuyaodeshizhenjunleideliandaojunshuyuqitaduozhongbingyuanjunyinqi,qizhongbingjuntongguooujiejianshangkou、xishougenhuoshengzhangdianqinruzhizhu。5~6yuefendaoshououqijunyoukenengfashenglianwen,7~8yuefenweishengfaqi。lianwenfabingdezuishiwenduwei20℃~30℃。xinkaifadeoutianfabingqing,lianzuoduoniandeoutianfabingzhong;turangsuanjiandushizhong、tongqixinglianghaodefabingqing,turangsuanxingda、tongqixingchadefabingzhong。

weihaizhengzhuang:

dg真人游戏lianwenzhuyaoweihaidixiajingshizhibianhefulan,xianshiheyewailvshuizizhuangweinianbingxiangneifazhanerganku。bingqieshilei、huadiaowei。wajianbingzhudixiajing,kejianoujieshangshengzhizhuzhuangjunsihefenhongsezhanzhiwu,shibingjunfenshengbaozituan。

fangzhifangfa:

①shixing2~3nianlunzuo,xiangyaojianqingbinghaicaiyongshuihanlunzuofangshigenghao。

dg真人游戏②xuanyongwubingouzaizhong。zhongzhishixianyong50%duojunling800beiyepenouzhong,zaiyongbomofengmen24xiaoshihouliangganhoubozhong。

③shiyongfushuyoujifeiweizhu。zhongshishihui,zhonghezhongsuantian。shengzhangqizhuyidanlinjiafeipeihe,zengshiguizhifei,tichangbushipeng、xin、mudengweifei,qiewupianshidanfei。

dg真人游戏④kexueguanshui。fabingtianshenshuiguangaiyijiangdidiwenyizhibingjunfanzhi。feibingtianshuishenbaochi18~20limibingyimeiyueyicihuoshui。zhongbingtiandongshououhoushenfanposhaibingtu,jianshaoturangjibingcantibingjun。

dg真人游戏⑤jishishiyao。fabingshiyong50%duojunling600beiyepensazhizhudeyemianheyebing2~3ci,bingyongshangshuyaojibanxitu30gongjinpaiqianshuicenghouzailiandouxiasashi,nengjianqingyemianbinghaihekongzhicibingmanyan。shengzhangqijishiwachubingzhubingdaichutianwaishaohui。

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