Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 536671
Title New geographical insights of the latest expansion of fusarium oxysporum f.Sp. Cubense tropical race 4 into the greater mekong subregion
Author(s) Zheng, Si Jun; García-Bastidas, Fernando A.; Li, Xundong; Zeng, Li; Bai, Tingting; Xu, Shengtao; Yin, Kesuo; Li, Hongxiang; Fu, Gang; Yu, Yanchun; Yang, Liu; Nguyen, Huy Chung; Douangboupha, Bounneuang; Khaing, Aye Aye; Drenth, Andre; Seidl, Michael F.; Meijer, Harold J.G.; Kema, Gert H.J.
Source Frontiers in Plant Science 9 (2018). - ISSN 1664-462X
DOI https://doi.org/10.3389/fpls.2018.00457
Department(s) Laboratory of Phytopathology
PPO/PRI Biointeractions and Plant Health
EPS
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) China - Fusarium wilt - Laos - Myanmar - Phytogeography - Single nucleotide polymorphism (SNP) - The Greater Mekong Subregion (GMS) - Vietnam
Abstract Banana is the most popular and most exported fruit and also a major food crop for millions of people around the world. Despite its importance and the presence of serious disease threats, research into this crop is limited. One of those is Panama disease or Fusarium wilt. In the previous century Fusarium wilt wiped out the “Gros Michel” based banana industry in Central America. The epidemic was eventually quenched by planting “Cavendish” bananas. However, 50 years ago the disease recurred, but now on “Cavendish” bananas. Since then the disease has spread across South-East Asia, to the Middle-East and the Indian subcontinent and leaped into Africa. Here, we report the presence of Fusariumoxysporumf.sp. cubense Tropical Race 4 (Foc TR4) in “Cavendish” plantations in Laos, Myanmar, and Vietnam. A combination of classical morphology, DNA sequencing, and phenotyping assays revealed a very close relationship between the Foc TR4 strains in the entire Greater Mekong Subregion (GMS), which is increasingly prone to intensive banana production. Analyses of single-nucleotide polymorphisms enabled us to initiate a phylogeography of Foc TR4 across three geographical areas—GMS, Indian subcontinent, and the Middle East revealing three distinct Foc TR4 sub-lineages. Collectively, our data place these new incursions in a broader agroecological context and underscore the need for awareness campaigns and the implementation of validated quarantine measures to prevent further international dissemination of Foc TR4.
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