dg真人游戏

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莲藕主要病害识别与防治

发布日期: 2018-07-13 09:05

yi、hebanbing

dg真人游戏zhuyaoweihaiyepian。fabingchuqiyepianzhengmianyouxiaohuanghesebandian,yihoukuodachengduojiaoxinghuojinyuanxingdedanhesezhihuangheseban,bianyuanshenhese,zhouweijuyouhuangseyunquan,youmingxianlunwen,zhonghouqibingbanlianchengbuguizedaban,zhibingbubianheganku。fuyezhengmiandebingbanduoweishenhese,zhonghouqibingbufulan,yongshouchumo,biaocengyituoluo,danbuchuankong。

fabingqingkuang: gaibingjun4~5yuefenkaishifasheng,6~8yuefenweiduofaqi,youqishizaiyinyutian,xiangduishidudashijiaoyifasheng。yibanshishenshuitianfabingzhong,qianshuitianfabingqing;lianzuohezhongzhiguomideoutianfabingzhong,xinoutianhezhongzhimidushiyideoutianfabingqing;fuzaishuimianshangdefuyefabingzhong,likaishuimiandeliyefabingqing。

dg真人游戏fangzhifangfa: outianshixing2~3nianyishangshuihanlunzuo;qingchuhuang、bing、can、kuye,gaishantongfengtouguangtiaojian;waouqianjianglianoutianjiandebing、can、kuyeqingchu,jizhongshaohuihuoshenmai,jianshaobenbingdefasheng;zaiwubingoutianxuanzhong;outianzaizhimiduyaoshiyi,bukeguomi;helishifei,shifeiyingyifushudeyoujifeiweizhu,bingzengshilinfeihejiafei,bupianshidanfei;kongzhishuiwei,shengzhangqianqishuiweiyiqian,xiajigaowen,dafengshi,yingshidangjiashenshuiwei。fabingchuqiyong70%tuobujin、huo75%baijunqing、huo70%daisenmengxin500~600beiye,penwufangzhi;huo25%mixiananruyou1000—1500beiye+75%baijunqingkeshixingfenji600beiye、huo250mg/lbizuomijunzhiruyou1500—3000beiyepenwu;yekeyiyong25%binghuanzuoruyouyutuan1: 1000hunyunhoushiyugenbu,mei7~10tian1ci,lianxuyong2~3ci。

er、fubaibing

dg真人游戏youmingkuweibing、heigenbing、ouwen,shilianoushengchanshangdediyidabinghai。gaibingzhuyaoweihaidixiajinghegenbu,zaochengbianhefulan,bingdaozhidishangbukuwei,guchengfubaibinghuokuweibing。dixiajingshouhai,chuqizhengzhuangbumingxian,ruguojiangdixiajinghengqieduanjiancha,zaijinzhongxindedaoguanbufen,sezebianhehuoqianhese,houqibingjingshangyouhesehuoziheisebuguizebingban,bingjingfulanhuobufulan,jinzaifabingbuweizongzhou。jingchouchudeyepianyesedanlv,fabingshizhuyaobiaoxianweizhenggeyeyuanhuoyeyuanyibiankaishifashengheseganku,zuihouyepianfanjuan,sikaishuitangshangyiyang。jizhi,yebingdeweiguanshuzuzhibianheyesuizhikusi,bingzaiyedidezhongxinqudingduanxiangxiawanqu,zuihouzhenggeyepiansiwang。dixiajingbiaoxianweijingjiebuweizheshengdexugenhuaisi,yituoluo,bingjingouxiao,hengqiezhongbubianhe。

dg真人游戏fangzhifangfa: zhongbingtianshixing2-3nianlunzuo。xuanyongkangbingpinzhong,bingyong70%jiajituobujin1000beiyehuo75%baijunqing800beiyepenwumenzhong,gainongmomibi24xiaoshi,liangganhouzhongzhi。shenfanoutianbingmushi150gongjinshihui。fabingshikeyong75%baijunqing0.5gongjinbanxitu30gongjinbanyunsaruqianshuitiannei。bingyong50%sukeling1000beiyehuo58%leiduomier—mengxinkeshixingfenji800beiyehuo47%chunleimeisu。yanglvhuatongkeshixingfenji600—800beiyepenwu,yongmei7~10tian1ci,lianxuyong2~3ci。

san、lianoutiaobanbingdubing

dg真人游戏shouhaihoudeheyejidixiagenjingshangjunkebiaoxianzhengzhuang,yepianshangchanshengdaxingduojiaoxingzhibuzhengqixingdanhesekuban,genjingbiaopichanshenganhesetanjutiaoban。fangzhi: xuanyongkangbingpinzhong,jishifangzhiyachong(chuandumeijie),fabingchuqipen1.5%zhibinglingruji1000beiye,huo5%junduqingshuiji300—500beiye,huo7.5%jundu.malinguashuijihuo20%yansuanmalinguashuiji500—700beiyepenwu,mei7~10tian1ci,lianxuyong2~3ci。

si、tanjubing

dg真人游戏tanjubingfabingzhongdekezaochenghuimiexingsunshi。zhuyaoweihaiyepian,yepianfabingchengyuanxingzhibuguizexinghesezhihonghesexiaoban,bingbanzhongbuhesezhihuiheseshaoxiaxian。zaiyebingshang,duobiaoxianjinsuoxinghuoduantiaozhuangdeshaoaoxianhesezhihongheseban。fangzhifangfa: jinxing2nianyishanglunzuo,xuanzhongkangbingpinzhong,dan、lin、jiafeihelishiyong,genjubutongshengyushiqiguanlihaoshuiceng,shishihuanshui,faxianbingzhujishibochushouhuohouqingchuliantangbingcanzuzhi,jianshaolainianjunyuan。

dg真人游戏fabingchuqi,kecaiyongxialieshajunjihuopeifangjinxingfangzhi: 20%zuojunanzhishuifensanliji1000—1500beiye+25%saijunzhixuanfuji1500—2000beiye;20%benmi·mixiananweiruji2500—3500beiye;25%mixiananruyou1000—1500beiye+75%baijunqingkeshixingfenji600beiye;70%fu·jia·liuhuangkeshixingfenji600—beiye;penwu,shibingqingge7—10tianpen1ci。

wu、heyekuweibing

shouhaiheyejiaohuang、kuwei,yingxianglianoushengzhang,zaochengjianchan。fangzhi: baochioutianqingjie,fangzhiyouwuwuranoutian。wushui、feizaoshuiyehuidaozhiheyekuweisiwang。lianouduichucaojishifenmingan,outianjuebunengshiyongchucaoji。

liu、yekubing

dg真人游戏yepianchenghuangsezhishenheseerkusiweibenbingdezhuyaozhengzhuang。fabingchuqi,yeyuanfashengdanhuangsebingban,zhujianxiangyepianzhongjiankuozhan;bingbanyouhuangsebianchenghuanghese,zuihoucongyeroukuojiyemai;bingbanchengshenhese,quanyekusi,xingsihuoshao,yanzhongyingxiangchanliang。

fangzhifangfa: helimizhi;jishiqingchubing、canye;baochioutianfeili;shizujifei,jishizhuifei,duoshiyoujifei,zengshilinfeihejiafei,yishizhizhujianzhuangshengzhang,zengqiangkangbingli;baochitianjiantongfengtouguang。fabinghoujishiyongyao。fabingchuqikeyong50%duojunlinghuo50%tuobujinkeshixingfenji800beiyepenshi,meizhoupenshi1ci,lianxu2~3ci。

qi、jiangoubing

dg真人游戏youbingduqinhaiyinqi。bingdutongguozhongou、turangheqitatianjiancanliuwudaiduchuanran。huanbingzhizhudishang、dixiabufengeqiguanjunbizhengchangzhizhumingxianjianshao。oushenchuxianjiaoduodeheihesetiaoban,zhang1~5limi,zuizhangkedal0limiyishang。dingyahexianduanjiejianchangniuqu、jixing。oushenxishoujiangying,pinzhijiaodi。jiangouzaitianwenshengzhangjiaoruo,shengyuqimingxiansuoduan。yuzhengchanglianouxiangbi,mengyaqituichi,duoshuliyefahuang,zhenggeshengyuqisuoduan。

dg真人游戏fangzhifangfa: juebuyongjiangouzuozhongou,dujuebingyuantongguozhongouchuandi、chuanbo,helishifei,gaishanturanglihuaxingzhuang;zengshifushudeyoujifei,dan、lin、jiaheli;jinxinglunzuo;qingjieoutian,jianshaobingyuan。outianyidanfaxianjiangouyingjishichediqingchu,bingjinliangqingchulaooutiandekujing、canyedeng。

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