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红薯常见病虫害及防治方法

发布日期: 2019-07-24 17:50

dg真人游戏hongshushidgzhenrenyouxiguozhongyaodejingjizuowu,zhongzhimianjishifenguangfan,nongminpengyoumenweiletigaohongshudezhongzhichanliang,kenenghuitigaozhongzhimidu,zheiyehenrongyidaozhihongshuchuxianbingchonghai,daozhihongshujianchandexianxiangyebijiaoduo,neimeyounaxieni?jiexialaiyiqilejiexiaba。

1、heibanbing

fabinghouhuizaiyoumiaoshangchuxiansuoxinghesebandian,zhujianfazhanchengweituoyuanxingheibanbingaoxian,houqiyoujingquanbubianhei,daibingmiaozaihounanyichenghuo。houqizhijiekuhuangersi,kuaijingfabing,huichuxianyuanxingheiseaoxianban,bingxiangshuneishenchufazhan,zaineibuyanweiguanshuchuanbokuozhan,daozhihongshukuaijingchuxiankuwei,bunengshiyong。

dg真人游戏fangzhifangfa: xuanzekangbingpinzhongnenggouconggenyuanyufanggaibingfasheng,caishouhou,zaizhuzangjiaoneiliyongjumochanliuhuangdianranxunzheng。yichanshengganshubingtong,yizhiheibanbingbaozimengfa,jianshaobinghaifasheng,zaizaizhiyangmiaozhiqian,yong50%tuobujinkeshixingfenjiduishui500beiyejinmiao,nenggouyouxiaofangzhibinghaifasheng。

2、genfubing

ganrangenfubinghou,hongshudeyeqianhuang、shengzhangman、xugenjianduanhezhongbuyouheihesebingban,chumiaowan,erqiechumiaolvdi,ranhoudabufengenchuxianfulan,qinranshukuai,erqiefashenggaibingdehongshukuaijingduojixing,houqiguilie,shukuaibuyingxin。

dg真人游戏fangzhifangfa: xuanzekangbingpinzhong,nenggouyouxiaoyufangbinghaifasheng,lingwai,jiaqiangtianjianguanli,yangzhichuzhuangmiao,bingzuohaoshenfan、lunzuo、qingjietianyuangongzuo。

3、ruanfubing

binghaifashenghou,huizaihongshushangkouchuchuxianshuijinzhuangbingban,houqibianweihese,bingdaozhizhenggeshukuaifulan。zaiwendu15~23℃,gaoshihuanjingxia,fabingbijiaoyanzhong。

fangzhifangfa: tigaoshouhuodezhiliang,bimianjixiesunshang,shouhuohou,jianghongshucunfangzaiwennuandeshinei,cujinhuxifangreyuheshangkou。ruguochuxiantianjianjishui,yaojishipaishui,jianshaohongshuruanfubingfasheng。

4、shuwenbing

gaibingfashenghou,youmiaokaishiweinian,jingjibubianchenghuanghese,jingyituopi,shangbuyepianzhujianqingkuchuiwei。zaoqifabing,bunengjieshu,zhongqifabingjieshushao,erqiejuyouhenqiangdechuanranxing,fabingshukuaibiaopiyouhuanghesedebandian,yituopiqiezhubulan。

fangzhifangfa: shixingyushuidaolunzuo,nenggouyouxiaojiangditurangzhongdebingyuan,xuanyongkangshuwenliangzhong,peiyuwubingzhuangyang,nenggouyouxiaokongzhigaibinghaifasheng,qingchubingcanti,jizhongshaohui,bingshiyongshengshihuiduiturangxiaodu,jianshaobingchonghaifabingfengxian。

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