dg真人游戏

当前位置: 农种网 > 黄瓜种植 > 正文

黄瓜猝倒病的发病症状及防治要点

发布日期: 2019-07-14 07:22

huangguacudaobingzenmefangzhi?huangguacudaobingzaiyixienongcundiquyoubeidangdicainongjiaozuoxiaojiaowen,kabozideng,zaidongchunshiqifashengzaihuangguamiaoqidechangjianbinghaizhiyi。xiamianyiqixuexihuangguacudaobingdezonghefangzhijishu。

yi、fabingzhengzhuang

dg真人游戏huangguamiaoqiluchutubiaodepeijingjibuhuozhongbuchengshuizizhuang,houbianchenghuanghese,zuihoukusuoweixianzhuang。wangwangziyeshangweidiaowei,youmiaojiturancudao,daozhiyoumiaotiefudimian,youshiguamiaochutupeizhouheziyeyipubianfulan,bianhekusi。shidudashi,bingzhufujinzhangchubaisemianxuzhuangjunsi。

er、zonghefangzhijishu

dg真人游戏huangguacudaobingdefangzhiyuanze: yufangweizhu,zonghefangzhiweifu;nongyefangzhiweizhu,huaxuefangzhiweifu。miaochuangyingxuanzebifeng、xiangyang、gaozaodedikuai,yaoqiujiyouliyupaishui,diaojiechuangtushidu,youyouliyucaiguang,tigaodiwen。

1.xuanzhong

dg真人游戏kexuanyongyuanfengyuan6haoqinggua、zhongnong7hao、yuexiuyihao、zaoqingerhaohezhongnong8haodengnaidiwenruoguang、zaoshuhuangguapinzhong。

2.zhongzixiaodu

keyong50℃dewenshuijinzhongxiaodu20fenzhong,huocaiyong70℃ganremiejun72xiaoshihoucuiyabozhong。tichangshiyonghuangguazhongyiji9-2hao,yongyaoliangweizhongzizhongliangde0.5%。

3.miaochuangchuli

miaochuanghuopengshiduoshiyongribenjiaosujunouzhideduifei,jianshaohuafeijinongyaoshiyongliang。yumiaochuangbiyaoshikegengxinchuangtu,bingshiyongjiaosujunouzhideduifeihuochongfenfushudeyoujifei。shengchanshangduoxuanyonglaocaiyuanzhongdeturangzuoweichuangtu。zaibozhongqian15~20tian,yong40%debanzhonglingfenjijia50%fumeishuangfenjian1︰1debilihunhe,huoyong40%banzhongshuangfenji,meipingfangmimiaochuangyongyao8ke,banxigantu40gongjin,chongfenhunyunhoubeiyong。bozhongqianxianjiaotoudishui,daishuishenxiahou,qu1/3banhaodeyaotusazaichuangmianshang,ranhouzaibacuihaoyadezhongzibohao,zuihoubayuxiade2/3yaotufugaizaizhongzishang,futuhouyue1limi,shizhongzijiazaiyaotuzhongjian。

4.qianghuamiaoqiguanli

qimiaohoubaitianmiaochuanghuopengwenbaochizai25~30℃,yejianbaochizai10~15℃,fangzhihanliuqinxi。miaochuanghuopengshishidubuyiguogao,lianyinyuhuoyuxuetianqihuochuangtubuganshi,yingshaojiaoshuihuobujiaoshui,bixujiaoshuishikeyongpenhuqingjiao,yimianshiduguogao。dangsuliaomohuobolijiyangmiaoyepianshangyoushuizhuningjieshi,yaojishitongfenghuosaxiecaomuhuijiangshi。

5.yaojifangzhi

(1)zaiturangzhongtianjiashiliangturangtianjiaji(yongdaoqiao、zhezha、xiaqiaofen、xisuanluzhadengjiashiliangniaosu、guolinsuangai、xiaosuanjiadengzhicheng),kejianqingfabing。

dg真人游戏(2)caiyongeryanghuatanshifeijishu,huoshiyonghuimanfengduoyuanfuheyoujihuoxingyetifeiliao,meimuyong320haosheng,xishicheng500beiye,penshi2ci。

(3)yongliusuantong50ke、tansuanqingan375ke,liangzhehunhejunyunhou,zaichanruxiaoshihui100ke,hunhehaohouyongsuliaodaizhuanghao,fengbidaikou,mibi24xiaoshi。houchanru5gongjinxitu,junyunsamiaochuang10pingfangmi,sahoupachumiaochuang,danquyoumiaoyepianshangdeyaotu,bingzhuyitongfenghuanqi,paichuduoyudeanqi。

(4)pensayaofeihejicaibaohuosanshiwanchundengzhiwushengzhangdiaojieji800beiye,yizengqiangzhizhukangbingnengli。

(5)kexuanyong72%pulikeshuiji500~800beiye、80%xinwanshengkeshixingfenji600

beiye、72%meiyiqingkeshixingfenji800~1000beiyehuo64%shadufankeshixingfen

ji500~600beiyepensa。meige7tianpen1ci,lianpen2~3ci。

奇葩图片

dg真人游戏_dg真人平台【开户首充送大礼】 北京赛车pk_北京赛车pk官网 og真人注册_og真人官网【开户首充送大礼】 U赢电竞官网 10分赛车平台_10分赛车官网 新金沙注册平台-澳门新金沙注册平台-新金沙登录平台注册官网