dg真人游戏

当前位置: 农种网 > 黄瓜种植 > 正文

黄瓜容易发生哪些病虫害?如何防治?

发布日期: 2019-07-02 09:31

dg真人游戏huangguashidgzhenrenyouxiguozhongyaodeshucai,yinweikouganhao,yingyangjiazhigao,erbeishouxiaofeizhedehuanying,xianzaizhongzhihuangguadenongminpengyouyeyuelaiyueduo,weiletigaohuangguadechanliang,jiuxuyaozuohaobingchonghaifangzhigongzuo,neimehuangguarongyifashengnaxiebingchonghai?fangzhifangfayounaxieni?jiexialaiyiqilejiexiaba。

1、shuangmeibing

gaibinghuizaiyepianshangfabing,bingzaiyebeimianchuxianshuijinzhuang、duojiaoxingbingban、bingbanchuxianhuimeiceng,zaiwendu16℃-22℃huanjingxiayiduofa,xiangduishiduzai83%yishang。

fangzhifangfa: zhongzhihuangguadeshihou,ruguofashenglegaibinghai,jiuxuyaobawendukongzhidao45℃,zaipenshi25%bizuomijunzhiyaojifangzhi,fangzhixiaoguohenbucuo。

2、huimeibing

dg真人游戏weihaigua、yepianhejingman。weihaihuazhihou,huishihuafulan,zhangchudanhuihesedemeicenghou,ranhouqinranyougua,beihaixiaoguaxunsubianruan,weisuofulan,qishangmishenghuibaisemeiceng。yepianweihaihuichuxianyuanxing、jinyuanxingzhibuguizebingban,biaomianchengqianhonghese,shengyoushaolianghuimei。jingmanfulan,yanzhongshibingjingzheduan,zhengzhusiwang。

fangzhifangfa: caiyong40%yijunniao、75%baijunqingjinxingfangzhi。mei6-7tianyongyaoyici,lianxufangzhi3-4ci,yaoqiuyaoyaopendaohuajiyouguashang。

3、baifenbing

dg真人游戏yepianganranhouhuixingchengyuanxingbaifenzhuangmeiban,houqilianchengyipian。fabinghouqizhenggeyepianbumanbaifen,houbianhuibaise,zuihouyepianchenghuangheseganku。

fangzhifangfa: faxianbingzhuhou,yaojishipenyaofangzhi,kexuanyong10%duokangmeisujinxingfangzhi。

4、bingdubing

dg真人游戏gaibingzhuyaoweihaiyehegua。miaoqi、chengzhuqijunnengfasheng。youmiaoqifabingziyebianhuangkuwei,youyenonglvyudanlvxiangjianchenghuayezhuang。chengzhuqifabingzhizhuaixiao,jiejianduanercu,yepianmingxianzhousuozenghou,xinyechenghuanglvxiangjianhuaye,bingyeyanzhongshifanjuan,bingzhuxiabulaoyezhujiankuhuang。

dg真人游戏fangzhifangfa: yumiaoshiyongzheyangwangjiangwen、zheguang,ranhouyaojikeyicaiyong40%qiangximalingua、0.5%anjiguatangsu。mei7tianyicipenshifangzhi。

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