Race 4 identification of Fusarium oxysporum f. sp. cubense from Cavendish cultivars in Hainan province, China

Y. X. Qi; X. Zhang; J. J. Pu; Y. X. Xie; H. Q. Zhang; S. L. Huang

doi:10.1071/DN08018

RESEARCH ARTICLE

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Race 4 identification of Fusarium oxysporum f. sp. cubense from Cavendish cultivars in Hainan province, China

Y. X. Qi ^A ^B ^D , X. Zhang ^A , J. J. Pu ^A , Y. X. Xie ^A ^D , H. Q. Zhang ^A and S. L. Huang ^B ^C

+ Author Affiliations

- Author Affiliations

^A Hainan Key Laboratory of Monitoring and Management of Pest of Tropical Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, Hainan 571737, P.R. China.

^B College of Life Science and Technology, Guangxi University, Nanning, Guangxi 530004, P.R. China.

^C Nanyang Normal University, Nanyang, Henan 473061, P.R. China.

^D Corresponding author: qiyanxiang@126.com; yixian81@126.com

Australasian Plant Disease Notes 3(1) 46-47 https://doi.org/10.1071/DN08018
Submitted: 5 January 2008 Accepted: 4 April 2008 Published: 11 April 2008

Abstract

Fusarium oxysporum f. sp. cubense from Hainan province of South China was identified by colony morphology on modified Komada medium (K2 medium). Forty isolates of F. oxysporum f. sp. cubense obtained from Cavendish cultivars sampled at random from 20 banana farms of Hainan province, China, formed laciniated colonies on modified K2 medium. None of the isolates of F. oxysporum f. sp. cubense sampled from 10 Gros Michel cultivars in five other banana farms in Hainan with the same method and six other species of Fusarium conserved in our laboratory formed laciniated colonies on the same medium. The results showed that it is a simple, fast and reliable method for identifying F. oxysporum f. sp. cubense Race 4.

Acknowledgements

This work was reported by the grants 2003-Z32(B) from 948 project of the Ministry of Agriculture, 05303 from Hainan Provincial, Rky0302, Rky0516 and Rky0612 from Chinese Academy of Tropical Agricultural Sciences, the People’s Republic of China, respectively.

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