当前位置: 首页 > 文章 > 雪松上疫霉种的研究 南京农业大学学报 1990 (1) 24-29
Position: Home > Articles > STUDIES ON SPECIES OF PHYTOPHTHORA CAUSING BLIGHT OF CEDRUS DEODARA IN CHINA Journal of Nanjing Agricultural University 1990 (1) 24-29

雪松上疫霉种的研究

作  者:
徐敬友;陆家云;方中达
单  位:
南京农业大学植物保护学系 江苏农学院;南京农业大学植物保护学系
关键词:
疫霉属;樟疫霉;掘氏疫霉;寄生疫霉;雪松
摘  要:
经形态、生理、生化和致病性的研究,引起江苏雪松疫病的15个菌株鉴定为3种疫霉,即樟疫霉(Phytophthora cinnamomi Rands)、掘氏疫霉(P.drechsleri Tucker)和寄生疫霉(P.nicotianae var.parasitica(Dast.)Waterh.)。其中,樟疫霉有13个菌株,是雪松疫病的主要致病种。与异宗配合疫霉种两个交配型配对培养的结果表明,樟疫霉 A_2交配型占绝对优势。但值得指出的是在我国雪松上发现樟疫霉 A_1交配型(P_(191)的存在。另外,寄生疫霉(P_(194))为 A_2交配型,而掘氏疫霉(P192)无论单独培养或者配对培养均不形成有性器官。
译  名:
STUDIES ON SPECIES OF PHYTOPHTHORA CAUSING BLIGHT OF CEDRUS DEODARA IN CHINA
作  者:
Xu Jingyou Lu Jiayun Fang Zhongda (Department of Plant Protection)
关键词:
Phytophthora;;P.cinnamomi;;P.drechsleri;;P.nicotianae var.parasitica;;Cedrus deodara
摘  要:
Fifteen isolates causing blight of Cedrus deodara in China were identified asPhytophthora cinnamomi Rands,P.drechsleri Tucker and P.nicotianae var.parasitica(Dast.)Waterh.according to their morphological,physiological,biochemicaland pathological characters.Most isolates could form sex organs when paired with A_1 orA_2 mating types of heterothallic species of Phytophthora.A_2 mating type ofP.cinnamomi was predominant,but A_1 mating type(P_(191))was found onCedrus deodara in China.P.nicotianae var.parasitica P_(194)was known as A_2 matingtype.As for P.drechsleri P_(192),no sex organ was produced when cultured singly or in pairingwith A_1 or A_2 mating types of P.cinnamomi,P.drechsleri and P.nicotianae var.parasitica.

相似文章

计量
文章访问数: 6
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊