2018
DOI: 10.5902/1980509831610
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INFLUÊNCIA DO Al<sup>3+</sup> EM SOLUÇÃO NUTRITIVA NO CRESCIMENTO DE TRÊS ESPÉCIES FLORESTAIS UTILIZADAS NA RECUPERAÇÃO DE ÁREAS DEGRADADAS

Abstract: Um dos principais fatores limitantes no desempenho das culturas agrícolas e florestais na maioria dos solos tropicais é o efeito tóxico do Al3+. No entanto, algumas espécies vegetais apresentam mecanismos de adaptação que lhes conferem tolerância a essas condições. O objetivo deste estudo foi avaliar o desenvolvimento de três espécies florestais cultivadas em solução nutritiva com diferentes níveis de Al3+. Para tanto, mudas de Acacia mangium, Mimosa artemisiana e Enterolobium contortisiliquum foram cultivadas… Show more

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Cited by 3 publications
(2 citation statements)
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References 9 publications
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“…This pattern may indicate a protection mechanism for the species in which Al +3 bioaccumulates in the roots and is not translocated to the shoots; thus, keeping the photosynthetic apparatus functioning (Presotto et al, 2018) through the release of organic acids by the root system, which inhibits the effect of Al, giving plants the ability to raise the pH in the rhizosphere, reducing Al solubility and absorbing Al ions with subsequent immobilization in specific locations (Vale et al, 1996;Beutler et al, 2001;Hartwig et al, 2007;Presotto et al, 2018).…”
Section: Resultsmentioning
confidence: 99%
“…This pattern may indicate a protection mechanism for the species in which Al +3 bioaccumulates in the roots and is not translocated to the shoots; thus, keeping the photosynthetic apparatus functioning (Presotto et al, 2018) through the release of organic acids by the root system, which inhibits the effect of Al, giving plants the ability to raise the pH in the rhizosphere, reducing Al solubility and absorbing Al ions with subsequent immobilization in specific locations (Vale et al, 1996;Beutler et al, 2001;Hartwig et al, 2007;Presotto et al, 2018).…”
Section: Resultsmentioning
confidence: 99%
“…In addition to presenting fast initial growth, it is highly effective in the regeneration of polluted areas (BRASIL, 2011). In studies involving tree species and metals such as copper, aluminum, and zinc, E. contortisiliquum showed excellent results (SILVA et al, 2018;PRESOTTO et al, 2018). However, no studies to date explain the biochemical and physiological behavior of this species when exposed to Cd.…”
Section: Introductionmentioning
confidence: 99%