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Type: Artigo de periódico
Title: Growth And Reproduction Of The Understory Palm Geonoma Schottiana Mart. In The Gallery Forest In Central Brazil
Author: Sampaio M.B.
Scariot A.
Abstract: To understand the growth and reproduction of the palm Geonoma schottiana in the gallery forest of Central Brazil, two hypotheses were raised: (i) production of leaves and reproductive structures are concentrated in the period of the year with high light availability; (ii) leaf production and reproductive activity are related to plant length. However, it is expected that senility effects will cause fast reduction in growth and reproduction activities in higher plants. Growth and reproduction were concentrated in the dry season, when insolation is higher than in the wet season, suggesting that leaf and inflorescence production on G. schottiana in the gallery forest understory is more limited by light than by soil humidity. As the individual grows, leaf number and blade area increase, but reproduction activity is independent of plant length. Resources stored in the stem are important to growth, but exogenous factors, as canopy openness, should be more important to reproduction. Plant senescence seems to have a lesser effect on the production of vegetative and reproductive structures in G. schottiana than has been detected in congeneric species with greater clonal activity.
Rights: fechado
Identifier DOI: 10.1590/S0100-84042008000300007
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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