2014
DOI: 10.1590/s0100-67622014000500010
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Efeito da temperatura, extração e embebição de sementes na germinação de Bactris maraja Mart. (Arecaceae)

Abstract: Bactris maraja Mart., palmeira nativa da Amazônia, ocorre em solos arenosos tipicamente às margens de lagos e igarapés. Apresenta grande importância ecológica, podendo ser propagada vegetativamente (touceiras) ou através de sementes. A propagação das palmeiras por meio de sementes geralmente apresenta germinação lenta, irregular e em baixa porcentagem. Dessa forma, a pesquisa teve como objetivo estudar os efeitos de diferentes temperaturas, períodos de secagem do pireno e extração da semente e períodos de embe… Show more

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Cited by 11 publications
(18 citation statements)
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“…Rodrigues et al [5], on the other hand, affirm that in the case of the palm tree Bactris maraja, the removal of the endocarp is not necessary. If carried out, it can result in damage to germination and vigor of the seedlings of this species, suggesting that the seeds of the species do not present dormancy due to mechanical resistance.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Rodrigues et al [5], on the other hand, affirm that in the case of the palm tree Bactris maraja, the removal of the endocarp is not necessary. If carried out, it can result in damage to germination and vigor of the seedlings of this species, suggesting that the seeds of the species do not present dormancy due to mechanical resistance.…”
Section: Resultsmentioning
confidence: 99%
“…According to Rodrigues et al [5], since each species requires specific conditions for seed germination, research has been developed aiming at elucidating the ideal conditions for such, aiming at the generation of important information about the propagation of species.…”
Section: Introductionmentioning
confidence: 99%
“…was the most favorable for seed germination of Bactris maraja, another palm species that naturally occurs in the same region as E. precatoria [12]. ] and germination rate of Euterpe precatoria according to different seed moisture contents.…”
Section: Discussionmentioning
confidence: 99%
“…However, for B. gasipaes, seeds also presented tolerance and lethal levels of 30.0% and 12.0%, respectively [36]; on the other hand, for seeds submitted to lowermoisture contents than 38.0%, germination and vigor were rapidly reduced, while 17% moisture content, or lower, promoted a very poor germination [23]. Furthermore, drying did reduce seed germination and vigor of Bactris maraja palm when seed moisture content decreased from 23.6% to 7.8% along 15 days [12], while seeds of Carpentaria acuminata and Phoenix canariensis tolerated drying at 5% and 8% seed moisture, respectively [37]. On the other hand, seeds of Dypsis decaryi and Ptychosperma elegans were sensitive to dehydration even at high moisture contents, 20% and 27%, respectively [37].…”
Section: Discussionmentioning
confidence: 99%
“…In addition to dormancy, there are other variables that affect seed germination, such as light and temperature. Regarding family Arecaceae, temperature and light variation have already been studied by different authors, which determined what conditions result in the best germination potential for these species (Pérez et al, 2008;Pimenta et al, 2010;Ribeiro et al, 2011;Sanjeewani et al, 2013;Rodrigues et al, 2014).…”
Section: Introductionmentioning
confidence: 99%