Occurrence of Root Rot of Panax notoginseng Caused by Fusarium oxysporum in China

被引：3
|
作者：
Jin Yi-Lan [1 ]
Jiang Shi-Long [1 ]
Jiang Xuan-Li [1 ,2 ]
机构：
[1] Guizhou Univ, Agr Coll, Guiyang 550025, Guizhou, Peoples R China
[2] Guizhou Univ, Guizhou Key Lab Plant Pest Management Mt Reg, Guiyang 550025, Guizhou, Peoples R China
来源：
INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY | 2018年 / 20卷 / 10期
关键词：
Panax notoginseng; Root rot; ITS sequence analysis; EF sequence analysis; Fusarium oxysporum; BLIGHT;
D O I：
10.17957/IJAB/15.0757
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
A root rot disease was found in Panax notoginseng plantations based in Guizhou province in 2015 and 2016. This disease affected mainly P. notoginseng rhizomes and leaves, causing oval or irregular spots, finally resulting in the infected plants withering and dying. We collected twenty-five infected rhizome samples of P. notoginseng from Guizhou province. The pathogen was identified as Fusarium oxysporum based on the morphology and molecular characterization including rDNA ITS, and EF sequence analysis, High throughput sequencing and Maximum Parsimony of the pathogen was conducted. In addition, we investigated the occurrence and frequency of P. notoginseng root rot in Guizhou province, and found that temperature and humidity were the main factors influencing P. notoginseng root rot. In addition, high light levels and lack of crop rotation were also associated with the occurrence of P. notoginseng root rot. (c) 2018 Friends Science Publishers
引用
收藏
页码：2175 / 2180
页数：6
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