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黄瓜枯萎病的症状及防治

发布日期: 2017-10-24 22:28

kuweibingzailudihebaohudigechahuangguashangdoukefasheng,yibanyiwenshi、dapenghuangguaheludichunhuangguafashengjiaozhong。

yi、fabingzhengzhuang

youmiaodaochengzhujunkeganbing,danyijieguahouguayangpazhibanjiashifabingzuiduo。miaoqifabingshiyoujingjibubianheyisuo,weiniancudao(cudaobingshixiandaohouweinian)。chengzhufabingshi,chuqixiabuyepianbubianhuangjiweinian,dankaishishizaowanshangkehuifu,shutianhoubunengzaihuifuerweiniankusi(yibingzebingchengduanqiehenkuaiweiniansiwang)。chaoshishi,jingjibubanbianjingpizonglie,changyoushuzhizhuangjiaozhiyichu,shangyoufenhongsemeizhuangwu,zuihoubingbubianchengsimazhuang。sikaigenjingbingbu,kejianweiguanshubianhuanghedaoheihesebingxiangshangyanshen。

er、fabingguilv

dg真人游戏kuweibingbingjunconghuangguagenbushangkouhuogenjianqinru,zaigen、jingdeweiguanshuneishengzhangfayu,dusaiweiguanshu,zuzhishuifenhewujiyandeyunshu,lingwai,haifenmidusueryinqizhizhuweinian。zhongzi、turanghefeiliaodaijun,bingjunkezaituzhongcunhuo5nianzuoyou,bingjunzai8℃~34℃junnengshengzhang,fabingshiwen24℃~28℃。suanxingturang、zhongchadifabingjiaozhong。

san、fangzhifangfa

1.nongyefangzhi

(1)xuanyongkangbingpinzhong,ruzhangchunmici,jinza2、3、4haojizhongnong5haodeng。

dg真人游戏(2)zhongzixiaodu。caiyongzhongzibaoyihuoyong55℃wenshuijinzhong15fenzhongxiaodu。

dg真人游戏(3)cuiyazhibo。zhongzicuiyahouzhibozaiyumiaobonei,bujinxing2cifenmiaoyizai,bushanggen。

(4)lunzuo。yufeigualeizuowushixing5nianyishanglunzuo,miaochuang2~3nianhouyingdiaohuandifanghuogaihuanxintu。

(5)gaishanzaipeiguanli。jieguaqianyingkongzhijiaoshui,yicujingenxishengzhang,jieguaqishidangduojiaoshui、duozhuifei,houqihaixukongzhijiaoshui,yanfangdashuimanguan,yuhoujishipaishui。shifeiyaodan、lin、jiahelipeihe,meichamushilinsuaneran20gongjin、liusuanjia20gongjin,youjifeibixuchongfenfushu。

dg真人游戏(6)jiajiefangbing。yongheizinanguazuozhenmujiajie,keyouxiaofangzhikuweibing。

2.yaojifangzhi

(1)turangxiaodu。faxianyouqingweifabingdelianchahuangguadi,zaidingzhiqianyongjiajituobujinhuoduojunlingdengyaoji,yi1∶100bilipeichengyaotu,anmeimu1~2gongjindeliangyongyao,sazaidingzhigounei,youfangzhizuoyong。

dg真人游戏(2)zhongzixiaodu。keyong40%fuermalin150beiyejinzhong1.5xiaoshi,laochuhouxijing,zaizailengshuizhongjin2~3xiaoshi,erhoucuiya,duizhongzidaijundefangxiaohenhao。

dg真人游戏(3)miaochuangxiaodu。yonglvheng1haohuolvheng2haojinxingmiaochuangxiaodu。

(4)guangenfangzhi。fabingzhukeyongxialienongyaoguangen: 70%jiajituobujinkeshixingfenji800~1000beiye、90%dikesongkeshixingfenji800~1000beiye、50%duojunlingkeshixingfenji500beiyedeng。shangshuyaoyemeizhuguan0.25~0.5gongjin,10tianzuoyouzaiguan1ci,lianguan2~3ci。ruguozaiyaoyezhongtongshijiarushenghuahuangfusuan,fangxiaojiangdedaotigao。chulefabingzhuwai,haiyaoduibingzhuzhouwei1miyineidezhizhutongshiguanyao。

(5)yaotu(hu)fangzhi。yaotupeizhifangfashi: 70%jiajituobujinkeshixingfenji、50%duojunlingkeshixingfenjihuo50%benlaitekeshixingfenji0.5gongjin,chanxitu50~60gongjin,sayudingzhixue(gou)li,huoweidaobingzhugenjingzhouwei。

yong90%dikesongkeshixingfenji10ke,diaochenghuhu,tuyuhuanchu,duiyifabingdezhizhufangzhixiaoguomingxian。

(6)penyaoyufang。1fen25%ruidumeikeshixingfenji+2fen50%daisenanshuiji,hunhecheng“ruiduheji”。shiyongshiduishui140beiyepenwu,duiweifabingzhizhukeyiqidaoyufangzuoyong。ciyaobukeyigaowenshijianpenyong,yongyaoyeliangyaozu。

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