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园艺学报 ›› 2011, Vol. 38 ›› Issue (12): 2395-2400.

• 研究报告 • 上一篇    下一篇

马拉巴栗疫病病原的分离与鉴定

李 琳,陈鸿宇,柳 凤,何 红*,余 莎   

  1. (广东海洋大学农学院,广东湛江 524088)
  • 收稿日期:2011-09-02 修回日期:2011-11-24 出版日期:2011-12-25 发布日期:2011-12-25
  • 通讯作者: 何 红

Isolation and Identification of the Pathogen Causing Phytophthora Blight of Pachira macrocarpa

LI Lin,CHEN Hong-yu,LIU Feng,HE Hong*,and YU Sha   

  1. (College of Agriculture,Guangdong Ocean University,Zhanjiang,Guangdong 524088,China)
  • Received:2011-09-02 Revised:2011-11-24 Online:2011-12-25 Published:2011-12-25
  • Contact: HE Hong

摘要: 2008—2009年,从广东省湛江等地采集疑似疫病的马拉巴栗病株,经病原菌分离及柯赫氏法则验证,证明其病原菌是疫霉菌。通过致病性、寄主范围测定,菌体形态,培养特性及rDNA-ITS序列分析等,将该病原菌初步鉴定为棕榈疫霉(Phytophthora palmivora)。

关键词: 马拉巴栗, 棕榈疫霉, 疫病, 分离, 鉴定

Abstract: The diseased plants of Pachira macrocarpa showing symptoms of phytophthora blight were collected from Zhanjiang,Guangdong Province from 2008 to 2009. This study proved that the pathogen was a kind of fungus by test of Koch’s postulates. The pathogenic fungus was identified as Phytophthora palmivora based on pathogenicity and morphology,host range and sequence analysis of rDNA-ITS.

Key words: Pachira macrocarpa, Phytophthora palmivora, phytophthora blight, isolation, identification

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