Influencia de hongos endomicorrízicos en el crecimiento de (Tabebuia donnell-smithii Rose)

Juan Francisco Aguirre Medina, Lázaro Yeekón-Méndez, Saúl Espinosa-Zaragoza


A greenhouse experiment was conducted to identify the influence of endomycorrhizal fungi on the growth of Tabebuia donnell-smithiiRose. We used collections of endomycorrhizal fungi from Tenampulco, Puebla and San Rafael, Veracruz and the reference fungus Rhizophagus intraradices, which were evaluated with eutric fluvisol soil in combination with sand (1:1 v/v), peat moss (0.80:0.20 v/v) and bovine manure (0.80:0.20 v/v); 5-kg plastic bags were filled with the substrates. Nine treatments were evaluated with the combination of substrates and fungi, under a completely randomized design with four replicates. Morphological, physiological, root colonization and phosphorus content variables were determined in plant tissue 112 days after sowing (das). Results indicate a 121% increase in total biomass in the substrate with soil plus bovine manure added. Among microorganisms, R. intraradicesincreased biomass by 10.8 and 6.0% in relation to the snail and San Rafael collections, respectively. Biofertilization with R. intraradicespromoted stem and leaf area growth, and with the snail isolates, height and leaf area.  The highest phosphorus content compared to plants with native endomycorrhizal isolates occurred with R. intraradices.


ECOSISTEMAS Y RECURSOS AGROPECUARIOS(ECOSYSTEMS AND AGRICULTURAL RESOURCES), Year 6, Issue 16, January-April 2019, is a triannual journal edited, published and distributed by the Universidad Juárez Autónoma de Tabasco, Av. Universidad s/n, Zona de la Cultura, Col. Magisterial, Villahermosa, Centro, Tabasco, CP. 86040, Tel (993) 358 15 00,,, Editor-in-chief: Efraín de la Cruz Lázaro. Copyright No. 04-2013-120514213600-203, ISSN: 2007-901X, both granted by the Instituto Nacional del Derecho de Autor (National Institute of Copyright), with certificate of title and content No. 16540 granted by the Secretaría de Gobernación(Ministry of the Interior). Individual responsible for the last update of this issue was journal Editorial Assistant Lic. Misael Hernández Martínez, Av. Universidad s/n, Zona de la Cultura, Col. Magisterial, Vhsa, Centro, Tabasco, Mex. C.P. 86040; date of last modification, December 31, 2018.

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