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塑料大棚黄瓜霜霉病的生态防治技巧

发布日期: 2017-01-14 03:36

dg真人游戏shuangmeibingshihuangguasuliaodapengshengchanzuiweichangjiandeyizhongqiliuchuanbodebinghai。chuqizaiyebeimianchanshengmeiceng,houbianhei,neiyoudaliangbaozi,baozichengshuhousuiqiliusanfa,luozaiyoushuimodeyepianshang,henkuaimengfaqinrujizhu,yinciyouming“paomagan”。baoziyi16~26℃shimengfaqinruzuikuai,gaoyu30℃zebuliyubingjunchuanbo。

dg真人游戏duiyugaibingkecaiqushengtaifangzhi,jitongguokongzhisuliaodapengneiwendu、shidu,chuangzaoyigebuliyubingjunqinruheqinran,dannengbaozhenghuangguazhengchangshengzhangfayudehuanjing。cijishukejianshaonongyaoyongliang,jianqinglaodongqiangdu,juticuoshiruxia:

dg真人游戏yi、genjuqiwendeshengjiang,diaojiepengneiwendu、shidu,yifangzhibinghaifasheng

1.dangripingjunqiwenzai10℃yixiashi(cishiwendudi,bushiheshuangmeibingdefasheng),zhuyizengwenbaowen,baitianshaotongfeng,bangwanzaobipeng,yejianbutongfeng,shipengneiwendubaitianda32℃,dimianbaochishirun。

dg真人游戏2.dangripingjunqiwenwendingzai10~13℃shi,yinggenjuwaijiezhouyewendubianhua,linghuodiaojiepengneiwendu、shidu。①richuhou,tongguojiawen,shipengneiwendujinkuaishengzhi28~30℃,chaoguo30℃kaishifangfengpaishi,dangxiangduishidubaochizai60%~70%shi,zaikuaisujiangwendutigaozhi30℃,jikemanzuhuangguaguanghezuoyongxuyao,younengfangzhibingjunqinran。②xiawupengneiwendubaochi20~25℃,yibianhuangguazhizhuyunshuhezhuanhuayoujiwuzhi。weifangzhibingjunmengfaheqinran,yingjiangshidujiangzhi60%zuoyou。⑧riluohouzhuyibaowen,fangzhipengwenxiajiangguokuai,shidujijushenggao,ziyeqianwendubaochi15~20℃,shidudiyu85%,wenduxiajiangsuduyimeixiaoshi2~2.5℃weiyi,ruoshidudayu85%,zewenduyingjiangzhi13~15℃。④ziyehouzhirichuqian,pengneishidusuiwenduxiajiangershenggao。dangshiduchaoguo90%yihou,yingjiangpengwenweichizai10~13℃,yikongzhibinghaifasheng,tongshijiangdihuangguazhizhudehuxixiaohao,bingjiehefangfeng、paishi,xianzhihuangguayemianbaochishuimodeshijian。pengwenbaochi15~20℃,yemianshuichixushijianbunengchaoguo4gexiaoshi;pengwen12~15℃,yemianshuibaochibuchaoguo6xiaoshi;pengwen10~12℃shi,buchaoguo9xiaoshi。

3.dangrijunzuidiwenduzai13~15℃shikezhengyefangfeng。

dg真人游戏4.rijunzuidiwenduchaoguo15℃,pengneiwenduhennanjiangxialaishi,ketongguojiangdishidukongzhibinghai。cishikezhengyefangfeng,guanshuiyingzaizaochendiwenshijinxing,guanshuihoubipengbingzaipengwenshengzhi30℃houzaijixufangfeng。

tongguoyishangduipengneiwen、shidudeguanli,kechuangzaoshiyihuangguashengzhangerbuliyubingyuanjunmengfaqinrudehuanjing,congerdadaoyizhibinghaichuanboqinrudemude。

er、gaowenmenpeng

yibanzaishuangmeibingfashenghoucaiyongcijishu,jutijishuyaodian: xuanqingtianzhongwu,fengbipengshi,shipengwenhenkuaishengzhi40~47℃,keyishasizhizhuheturangbiaomianbingyuanjun。danshijianbuyiguozhang,yifangzhizhushuairuo。menpengshiyingyangekongzhishijian、wendujipinlv。yibanzai40~41℃shiweichi1.5xiaoshi,mei2~3tianmenpeng1ci;45℃weichi1xiaoshi,4~5tianmen1ci。zhuyimenpengzhiqianjiao1cishui。

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