机构地区: 甘肃中医药大学
出 处: 《山西农业科学》 2011年第8期866-868,871,共4页
摘 要: 2004—2009年,对甘肃省党参主产区渭源、陇西等4县5个乡镇的党参病害进行了调查和病原鉴定,共发现4种病害,分别为斑枯病(Septoria codonopsidis Ziling)、白粉病(Sphaerotheca codonopis(iGolov.)Z.Y.Zhao)、灰霉病(Botrytis cinerea Pers.)、根腐病(Fusarium oxysporiums Schl.)。渭源、临洮、兰州等地白粉病发病率为100%,严重度2~3级,是党参的主要病害之一,为害严重,是亟待解决的问题。党参灰霉病为国内首次报道。 4 fungal diseases have been found through disease surveys on Codonopsis pilosula in Weiyuan,Longxi county of Gansu Province from 2004 to 2009.They were leaf spot(Septoria codonopsidis),powdery mildew(Sphaerotheca codonopisi),grey mold(Botrytis cinerea Pers.) and root rot(Fusarium oxyxporium Schl.).Powdery mildew,the severest disease,whose incidence reached 100%,was an urgent problem waiting to be solved effectively.Grey mold in the paper was the first report in China.