如何防治非洲菊疫病？

疫病是非洲菊zhongzhizhongzuiyanzhongdebinghaizhiyi，zhenggeshengyuqikefabing。fabingchuqidishangbuzhizhuyepianweinian，jibuyepianbianweizihongse
，huozhizhuyepianyansebianhuangbianruan
，houqizhengzhusiwang。shidudashibingbubiaomianchangchuxishudebaimei。yimeizai5〜33°C均可生長，生長適溫25〜30°C，溫室內可周年發生。

 

防治方法：及時清除非洲菊病株和周圍病土；發病重的棚室土壤應進行消毒，殺死土壤中的病原菌
；做高哇加強排水，改噴灌為滴灌。

非洲菊發病前開始噴灑58%甲霜靈錳鋅可濕性粉劑800倍液或 64%殺毒礬可濕性粉劑500倍液、72%杜邦克露可濕性粉劑700倍液；發病初期用58%乙磷鋁錳鋅400倍液灌根，爾後7天用64%殺毒鞏粉劑500倍液灌根效果顯著。

 

jiangsuchangzhihongyuanlinshizhuanyedelvhuamiaomuzhongzhijidi
，changnianchushoufeizhouju，haiyoudibeicaohua，lvhuaqiulei
，libamiao，huaguanmu，qiaomudenggeleilvhuapinzhong，guigeqiquan
，shuliangchongzu，shuxingyoumei，cunhuolvgao
，zhiliangyou。benmiaomuhuahuichanpinshiyingxingqiang，yichenghuo，chenghuolvjigao，erqie，benpumiaomuyuanxiaoquanguogeshengshidiqu。zaichangzhihongyuanlinyoudaliangdefeizhoujuxianhuo
，youxuyaogoumaifeizhoujuheqitalvhuamiaomudepengyoukeyilianxibenjidi：--