2007
DOI: 10.1590/s0100-84042007000100013
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Respostas morfológicas em Guibourtia hymenifolia (Moric.) J. Leonard (Fabaceae) e Genipa americana L. (Rubiaceae), submetidas ao estresse por deficiência nutricional e alagamento do substrato

Abstract: Respostas morfológicas emABSTRACT -Morphological responses in Guibourtia hymenifolia (Moric.) J. Leonard (Fabaceae) and Genipa americana L.(Rubiaceae) to nutrient deficit and flooding stress). The plastic responses of seedlings and young plants of two Brazilian native trees were studied. In G. hymenifolia no important morphological changes were found, except for starch reserve content that was lower in the lots in nutrient poor, drained soils (CCD), and nutrient poor, flooded soils (ALD). In Genipa americana t… Show more

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Cited by 13 publications
(10 citation statements)
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References 22 publications
(31 reference statements)
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“…This may be merely phenotypic plasticity or may be already genetically established. Santiago and Paoli (2007) pointed out that large morphology variations in response to flood do not determine the ecophysiological tolerance of the species to it, indicating that within a population, some individuals express morphological changes and others apparently do not express any modification.…”
Section: Diversity Of Environments Of the Pantanal Wetlandsmentioning
confidence: 99%
See 1 more Smart Citation
“…This may be merely phenotypic plasticity or may be already genetically established. Santiago and Paoli (2007) pointed out that large morphology variations in response to flood do not determine the ecophysiological tolerance of the species to it, indicating that within a population, some individuals express morphological changes and others apparently do not express any modification.…”
Section: Diversity Of Environments Of the Pantanal Wetlandsmentioning
confidence: 99%
“…This feature has already been described by Raunkiaer (1934) as acquired by higher plants during the evolutionary process, with the aim of hiding and protecting buds, allowing the survival of plants in unfavourable environmental conditions. Under these conditions, various plant species express large phenotypic plasticity, an adaptation which, for Santiago and Paoli (2007), cannot be mistaken for a mere character expression in response to environmental pressures, but should be considered as a process, which is not restricted only to the individual. According to these authors, the organisms under these conditions may or may not express morphological, physiological or both traits, through gene activation or suppression, and these traits may or may not have an adaptive component.…”
Section: Dynamics Of Aquatic Plants In Relation To Seasonalitymentioning
confidence: 99%
“…G. americana is a tree with terrestrial, adventitious roots, aerial and erect stem of trunk and circular type and sympodial growth. Leaves are simple, petiolate, with opposite phyllotaxis with obovate, elliptical-obovate or oblanceolate shape, acuminated limb apex, cuneiform base and smooth margin, with gland trichomes on the abaxial epidermis and pinnate venation [ 120 , 135 ].…”
Section: Rubiaceae Familymentioning
confidence: 99%
“…Sob ação dos controladores observou-se modificações histo-anatômicas, como a formação de aerênquima nos indivíduos do tratamento quatro (escarificação mecânica) e cinco (imersão em ácido sulfúrico), o que reflete um alto espectro de plasticidade fenotípica da espécie (SANTIAGO & PAOLI, 2007).…”
Section: Figura 2 Regiões De Córtex E De Medula Caulinar De a Squamunclassified