什麼是大麗花病毒病？

大麗花病毒病又稱大麗花花葉病。在我國廣東、昆明
、上海、內蒙古、遼寧等省市都有發生，嚴重時植株生長萎縮，一般呈零星分布。 症zheng狀zhuang大da麗li花hua葉ye於yu產chan生sheng明ming脈mai或huo葉ye脈mai黃huang化hua及ji花hua葉ye，葉ye片pian發fa育yu受shou阻zu。有you些xie葉ye片pian出chu現xian具ju有you特te征zheng性xing的de環huan狀zhuang斑ban，植zhi株zhu在zai夏xia季ji接jie近jin開kai花hua期qi受shou病bing毒du浸jin染ran，暫zan時shi不bu表biao現xian任ren何he症zheng狀zhuang，但dan翌yi年nian才cai表biao現xian花hua葉ye及ji矮ai化hua現xian象xiang。

 

發病規律大麗花花(hua)葉(ye)病(bing)毒(du)可(ke)以(yi)通(tong)過(guo)汁(zhi)液(ye)及(ji)嫁(jia)接(jie)傳(chuan)染(ran)。葉(ye)蟬(chan)及(ji)蚜(ya)蟲(chong)也(ye)可(ke)傳(chuan)毒(du)。在(zai)一(yi)般(ban)條(tiao)件(jian)下(xia)
，大(da)麗(li)花(hua)難(nan)以(yi)汁(zhi)液(ye)接(jie)種(zhong)成(cheng)功(gong)。大(da)麗(li)花(hua)的(de)塊(kuai)根(gen)也(ye)能(neng)帶(dai)毒(du)。但(dan)大(da)麗(li)花(hua)種(zhong)子(zi)不(bu)傳(chuan)毒(du)。大(da)麗(li)花(hua)花(hua)葉(ye)病(bing)毒(du)也(ye)能(neng)使(shi)蛇(she)目(mu)菊(ju)、金雞菊、矮牽牛、百日草等植物發病。

 

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