Preliminary Studies on the Ecology and Management of Banana Crown Rot Fungi in the Dominican Republic

T. Polanco, D. Plonquet, G. Godoy Lutz, Rodolfo Méndez-Marcano () and M. Martinez

No 256523, 40th Annual Meeting, July 19-23, 2004, St. Johns, U.S. Virgin Islands from Caribbean Food Crops Society

Abstract: Banana crown rot (CR) reduces the quality of exporting banana (AAA) in the Dominican Republic. Annual losses of organic bananas are estimated about US$ 200,000 due to fruit damages caused by CR. So far, CR has been attributed to biotic as well as abiotic factors. To determine the relationship among fungi from washing water and CR symptoms on organic banana we conducted samplings of water in washing stations in organic banana plantation in the Southwest Region of the Dominican Republic. Water samples were collected, processed and isolated on selective Mathur's medium. Isolates of Colletotrichum spp., Fusarium spp. and Curvularia spp. were identified. Isolates of these fungi were inoculated on unripe banana fruits to test for pathogenicity. Isolates of Colletotrichum spp. and Fusarium spp. caused symptoms similar to CR developed under natural conditions. Currently, the efficacy of organic acids products and other alternative control is being investigated.

Keywords: Agribusiness; Crop Production/Industries; International Relations/Trade (search for similar items in EconPapers)
Pages: 9
Date: 2004-07-19
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Persistent link: https://EconPapers.repec.org/RePEc:ags:cfcs04:256523

DOI: 10.22004/ag.econ.256523

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