2002
DOI: 10.1590/s0101-31222002000100009
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Germinação de sementes de calabura (Muntingia calabura L.)

Abstract: Este trabalho foi conduzido no Laboratório de Análise de Sementes da Faculdade de Ciências Agrárias da Universidade Oeste Paulista (UNOESTE), Presidente Prudente - SP, com o objetivo de avaliar os efeitos causados pelo alagamento na germinação e no vigor de sementes de feijão. As sementes foram submetidas aos tratamentos de alagamento por períodos de 0, 8, 16, 24, 32, 40 e 48 horas a 25ºC. Durante os tratamentos foram realizadas as avaliações de grau de umidade inicial e final, e após os mesmos, teste de germi… Show more

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Cited by 15 publications
(11 citation statements)
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“…These results disagree with those obtained by Batista et al (2008) and Custódio et al (2002), who noted that longer hypoxia periods negatively affect the dry matter accumulation of cultivars, a fact associated to the decreased growth of some organs during flooding, being a strategy to save energy and maintain a minimum functioning of the metabolism in the regions most affected by hypoxia. Notwithstanding, the results agree with Dantas et al (2000), who verified an increased dry biomass in the early development of maize seedlings with increasing flooding days.…”
contrasting
confidence: 99%
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“…These results disagree with those obtained by Batista et al (2008) and Custódio et al (2002), who noted that longer hypoxia periods negatively affect the dry matter accumulation of cultivars, a fact associated to the decreased growth of some organs during flooding, being a strategy to save energy and maintain a minimum functioning of the metabolism in the regions most affected by hypoxia. Notwithstanding, the results agree with Dantas et al (2000), who verified an increased dry biomass in the early development of maize seedlings with increasing flooding days.…”
contrasting
confidence: 99%
“…For this variable and cultivar, it was possible to fit the quadratic regression equation according to periods of hypoxia, in which the period of 37.36 hours led to the minimum percentage of normal seedlings of 54.4%. These results were in part similar to those presented by Custódio et al (2002), when studying bean seeds. The authors observed an increase in the percentage of dead seeds and abnormal seedlings, and a reduction in the percentage of normal seedlings under periods of hypoxia.…”
supporting
confidence: 91%
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“…As variações da temperatura também afetam a velocidade, a porcentagem e a uniformidade de germinação, conforme verificado em sementes de Muntingia calabura L. (Lopes et al, 2002); Miconia cinnamomifolia (Dc.) Naud.…”
Section: Introductionunclassified