"Fenología de Schizolobium parahyba y Vochysia guatemalensis en una selva alta perennifolia de Oaxaca, México"

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Elizandro Pineda-Herrera, Juan Ignacio Valdez-Hernández, Miguel Ángel López-López

Abstract


Four phenological events (flowering, fruiting, leaf fall, and leaf flushing) were evaluated in Schizolobium parahyba (Vell.) Blake and Vochysia guatemalensis Donn.Smith., two tree species of the humid tropical forest in the north of Oaxaca, México, to relate with rainfall and air temperature during a year (September 2006-September 2007). In addition, soil moisture and tree water potential were measured by the end of drought (April-May 2007) and beginning of rainy season (June-July 2007). Results show that rainfall was significantly (P < 0.01) correlated with fruiting in both species (r = 0.89) and with leaf flush in S. parahyba (r = 0.88). The values of soil moisture (%) and tree water potential (bars) were: S. parahyba (8 to 25%, -11 to -1 bar) and V. guatemalensis (13 to 30%, -5.8 to -1.5 bar). The water stress was higher in some trees of S. parahyba than in all trees of V. guatemalensis. The phenology of S. parahyba was associated with climatic seasonality. The phenology of V. guatemalensis maybe determined by geographic and endogenous variables.

Keywords


climatic seasonality; flowering ; fruiting; leaf fall; leaf flushing

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DOI: http://dx.doi.org/10.17129/botsci.483

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Botanical Sciences is an international peer-reviewed journal that publishes scientific papers in plant sciences. The arguments, figures / schemes / photographs, quality and the general contents of this publication are full responsibility of the authors, and not commit the Editor- in-Chief or the Sociedad Botánica de México.

Botanical Sciences year 8, Vol. 97, No. 1, January-March 2019. Quarterly publication edited and published by Sociedad Botánica de México A.C. (www.socbot.mx). Editor in Chief Salvador Arias, Jardín Botánico, Instituto de Biología, 3er Circuito s/n, Ciudad Universitaria, Delegación Coyoacán, C.P. 04510. Reserves of Rights to the Exclusive Use No. 04-2017-040716054100-203, digital-ISSN 2007-4476, both granted by the Instituto Nacional del Derecho de Autor. Responsible for updating the page Pedro López, email: plopez@escire.mx, eScire. Last update March 11, 2019.

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