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- Title
Diversidad de Trichoderma en el agroecosistema cacao del estado de Tabasco, México.
- Authors
La Cruz, Magdiel Torres-De; Ortiz-García, Carlos F.; Bautista-Muñoz, Consuelo; Ramírez-Pool, José Abraham; Ávalos-Contreras, Nayely; Cappello-García, Silvia; De La Cruz-Pérez, Aracely
- Abstract
Cocoa plantations of Tabasco are similar to rainforests. This agro-ecosystem contributes to preserve the biodiversity. In Tabasco, diversity studies in the cacao agro-ecosystem are related to the vegetation, mammals, birds, insects and spiders. The fungal diversity has not been studied. The aim of this study was to characterize the diversity of Trichoderma/Hypocrea from the cocoa rhizosphere in cocoa production areas of Tabasco. To this end, 96 strains of Hypocrea/Trichoderma were obtained and identified by morphology and ITS sequences. Trichoderma asperellum, T. brevicompactum, T. harzianum/H. lixii, T. koningiopsis/H. koningiopsis, T. longibrachiatum/H. sagamiensis, T. pleuroticola, T. reesei/H. jecorina, T. spirale y T. virens/H. virens, were the identified species. The richness (DMg) and abundance (H') indexes were 1.75 y 1.69, respectively. The Pielou uniformity index (J) was 0.77. The highest diversity of Trichoderma/Hypocrea was detected in the Chontalpa subregion. T. harzianum/H. lixii was the most abundant. All the species are first report for the cocoa agroecosystem of Tabasco. Trichoderma asperellum, T. brevicompactum, T. koningiopsis/H. koningiopsis, T. pleuroticola, T. reesei/H. jecorina y T. spirale, are new reports for the state. Trichoderma pleuroticola is new record for Mexico.
- Publication
Revista Mexicana de Biodiversidad, 2015, Vol 86, Issue 4, p947
- ISSN
1870-3453
- Publication type
Article
- DOI
10.1016/j.rmb.2015.07.012