2016
DOI: 10.1590/1519-6984.11315
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Growth responses and accumulation of soluble sugars in Inga marginata Wild. (Fabaceae) subjected to flooding under contrasting light conditions

Abstract: Flood events in riparian forests of southern Brazil, can be characterized as unpredictable and of low magnitude with an average duration of less than 15 days. Inga marginata is an evergreen tree which grows in Southeast South America on a wide range of environments, including riparian forests. In this paper, the interactive effects of the light environment and soil flooding on morphological parameters of I. marginata were examined. Seedlings were acclimated in two contrasting light conditions: sun or shade for… Show more

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Cited by 12 publications
(10 citation statements)
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“…Considering the distribution of C. americana in understory of subtropical riverine forests, the initial hypothesis of this study was that shade-acclimatized plants present greater flooding tolerance than plants growing under high irradiance, similar to what was observed for Inga marginata (Bender et al 2017) that as well as C. americana is an early secondary species in ecological sucession (Villagra et al 2013a). Despite the occurrence of C. americana in rarely flooding areas (Budke et al 2010), the results of this study indicated that C. americana tolerates short (10 days) and long periods of flooding (30 days) and that tolerance was not directly associated with light environment, as observed by Bender et al (2017) for Inga marginata, where the shade plants presented a temporal pattern of soluble sugars accumulation for the flooding tolerance. However,…”
Section: Discussionsupporting
confidence: 88%
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“…Considering the distribution of C. americana in understory of subtropical riverine forests, the initial hypothesis of this study was that shade-acclimatized plants present greater flooding tolerance than plants growing under high irradiance, similar to what was observed for Inga marginata (Bender et al 2017) that as well as C. americana is an early secondary species in ecological sucession (Villagra et al 2013a). Despite the occurrence of C. americana in rarely flooding areas (Budke et al 2010), the results of this study indicated that C. americana tolerates short (10 days) and long periods of flooding (30 days) and that tolerance was not directly associated with light environment, as observed by Bender et al (2017) for Inga marginata, where the shade plants presented a temporal pattern of soluble sugars accumulation for the flooding tolerance. However,…”
Section: Discussionsupporting
confidence: 88%
“…This study simulated a two factors combination, water and light, which is known to affect the structure, composition and dynamic of plant communities of riverine forests (Giehl and Jarenkow 2008, Bender et al 2017, Wittmann et al 2017 and our results showed the high light plasticity of the studied species. Considering the distribution of C. americana in understory of subtropical riverine forests, the initial hypothesis of this study was that shade-acclimatized plants present greater flooding tolerance than plants growing under high irradiance, similar to what was observed for Inga marginata (Bender et al 2017) that as well as C. americana is an early secondary species in ecological sucession (Villagra et al 2013a).…”
Section: Discussionsupporting
confidence: 51%
“…Por outro lado, a espécie I. vera, que também apresenta ocorrência em áreas frequentemente inundáveis (Budke et al 2010), apresentou maior tolerância a inundação total em relação às outras espécies, não apresentando diferenças nos parâmetros avaliados nos diferentes tratamentos hídricos. Tal resposta pode estar relacionada ao acúmulo de açúcares solúveis em condições de alagamento, conforme observado por Bender et al (2017) em I. marginata, o que, neste caso, seria importante para sustentar o metabolismo da planta durante o período de alagamento. A espécie E. involucrata, assim como I. vera, pode ser considerada tolerante a períodos de inundação total, visto que não foram observadas diferenças entre os tratamentos durante 15 dias de inundação.…”
Section: Discussionunclassified
“…A abscisão foliar e a redução do crescimento da raiz merecem destaque, sugerindo um efeito direto da redução da difusão de gases nos processos metabólicos da parte aérea e raiz. Já a estratégia de I. vera e E. involucrata para tolerar períodos de alagamento parece envolver mecanismos de ajustes bioquímicos para manutenção do crescimento (Bender et al 2017, Samojeden et al 2018.…”
Section: Discussionunclassified
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