First Report of Stem Canker on Phoenix Tree (Firmiana simplex) Caused by Fusarium oxysporum in China

被引：5

作者：

Zhang, Li-Xin ^{[1
]}

Song, Jiang-Hua ^{[2
]}

Shen, Jing-Ting ^{[1
]}

Tan, Gen-Jia ^{[1
]}

Li, Sha-Sha ^{[1
]}

Ding, Fei ^{[1
]}

机构：

[1] Anhui Agr Univ, Coll Plant Protect, Hefei 230036, Peoples R China

[2] Anhui Agr Univ, Coll Hort, Hefei 230036, Peoples R China

来源：

JOURNAL OF PHYTOPATHOLOGY | 2013年 / 161卷 / 02期

关键词：

Fusarium oxysporum; identification; canker; phoenix tree;

D O I：

10.1111/jph.12033

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A stem canker disease was observed on the phoenix trees located in the region of Dezhou, Shandong province. Symptomatic stems were collected and evaluated for the possible casual agent of the disease. A fungus resembling Fusarium sp. was consistently isolated from pieces of symptomatic tissues. The fungus formed abundant aerial mycelium on potato dextrose agar and produced the micro- and macro-conidia on carnation leaf agar. The nucleotide sequences of the internal transcribed spacer of the rDNA from three representative isolates showed 100% identical to those of Fusarium oxysporum isolates deposited in the GenBank database. On the basis of morphological characteristics, pathogenicity test and molecular identification, the causal agent was identified as F. oxysporum. To our knowledge, this is the first report of stem canker on phoenix tree caused by F. oxysporum in China.

引用

页码：128 / 130

页数：3

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