2010
DOI: 10.1590/2175-7860201061201
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Crescimento inicial de plantas Euterpe edulis Mart. em diferentes condições de luz, água e nutrientes

Abstract: Resumo A introdução e manejo de plântulas de Euterpe edulis Mart. em florestas tem sido uma alternativa encontrada para não levar a espécie à extinção devido ao extrativismo desenfreado. O objetivo deste estudo é ampliar o conhecimento das exigências ecológicas das plântulas desta espécie, visando auxiliar sua conservação in situ. Frutos despolpados da espécie germinaram em casa de vegetação e as plântulas, ainda com os vestigios da semente ligados ao eixo embrionário, foram separadas em seis lotes. Cada lote … Show more

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Cited by 2 publications
(4 citation statements)
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“…This fact is worth highlighting, because although E. edulis is considered a climax species, the reduction of its growth rate according to the succession advance suggests difficulties in maintaining productivity, as well as the possibility that populations exploited illegally or without criteria require more time to recover. These results corroborate observations from other studies, ranging from the identification of lower development and survival of E. edulis seedlings in more shaded environments to greater growth of young and greater reproductive palms' fertility when they are present in altered areas versus protected areas (Fantini & Guries, 2007;Neuburger et al, 2010;Portela et al, 2010). Experiments on the response of E. edulis to reductions in the forest's basal area could provide important information regarding the maintenance of the observed growth rates at earlier stages.…”
Section: Discussionsupporting
confidence: 90%
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“…This fact is worth highlighting, because although E. edulis is considered a climax species, the reduction of its growth rate according to the succession advance suggests difficulties in maintaining productivity, as well as the possibility that populations exploited illegally or without criteria require more time to recover. These results corroborate observations from other studies, ranging from the identification of lower development and survival of E. edulis seedlings in more shaded environments to greater growth of young and greater reproductive palms' fertility when they are present in altered areas versus protected areas (Fantini & Guries, 2007;Neuburger et al, 2010;Portela et al, 2010). Experiments on the response of E. edulis to reductions in the forest's basal area could provide important information regarding the maintenance of the observed growth rates at earlier stages.…”
Section: Discussionsupporting
confidence: 90%
“…In this sense, it should be noted that the establishment of a cut limit diameter (CLD) for the definition of the moment of the harvest of the palm heart could limit the number of reproductive plants in sustainable systems. This would also hamper natural regeneration processes via potential reductions in crossing rates, genetic diversity, dispersal, fruit production, seeds and seedlings (Neuburger et al, 2010;Novello et al, 2018;Portela et al, 2010;Silva & Reis, 2010, 2019.…”
Section: Discussionmentioning
confidence: 99%
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“…Esse fato pode ser esclarecido em função da ecologia da espécie. Há indicação que a ocorrência de E. edulis é dependente de alta disponibilidade de água no solo (BRANCALION, 2009;NEUBURGER et al 2010) e, dessa forma, locais com limitação de umidade podem interferir na produção de frutos. Já foi demonstrado que a quantidade de matéria seca dos frutos tem uma relação direta com a disponibilidade de nutrientes no momento da maturação de sementes (BRANCALION, 2009) e fortalecem os resultados aqui apresentados, de que os ambientes florestais são mais indicados para a produção de frutos, pois garantem uma melhor condição edáfica.…”
Section: Caracterização Das Plantas Reprodutivasunclassified