郁金香疫病的症状
bingjunqinranyujinxiangdeyehehua,chanshenghesebandian,shouhaiyepian、huabinghehuajingfulan。qiujingbeiqinranhouquanzhuaihua,huanglvse。chaoshitianqibingbubeihuisemeiceng,qishangchanshengdaliangbaozi。zaijingjiheqiujingdewailinpianshang,chanshengxuduoqianheisehuoshenhesejunhe。
郁金香疫病的发病原因
bingyuanweiyujinxiangputaobaojun,zaibulianghuanjingtiaojianxiayijunhexingshi cunzai,baozitongguoqiliuzaizhujianchuanbo。
郁金香疫病的防治措施
(1)yujinxiangzhongzhiqianzixitichubingqiujing,shengzhangqijianzhaichubingye、binghuajibingzhubingxiaohui。
(2)shixinglunzuo,gengxinmiaochuangtu,turangmie junhouzhongzhi。
(3)加强管理,避免过多使用氮肥, 尽量做到空气流通,特别是温室栽培。
(4)huaxuefangzhicaiyongboerduoye(1∶1∶ 200)yufang,yong70% dejiajituobujin1000 bei ye、40% junhejing1000 beiyepenwuzhiliao。