2005
DOI: 10.1590/s0100-84042005000300018
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Emergência de plântulas de Anacardium humile A. St.-Hil. (Anacardiaceae) avaliada por meio de amostras pequenas

Abstract: -(Anacardium humile A. St.-Hil. (Anacardiaceae) seedling emergence evaluated by means of small samples). Anacardium humile has low capacity for fruit production, limiting the application of experimental techniques, broadly used in the analysis of seed germination. Thus, the purpose of this paper was to introduce the statistical theory of small samples to the study of the seedling emergence of this species. Cashew nuts of different individuals were randomly collected, being submitted to scarification by abrasio… Show more

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Cited by 46 publications
(43 citation statements)
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References 15 publications
(9 reference statements)
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“…According to Labouriau (1983a), germinability of one seed sample is the percentage of seeds in which the germination process reaches the end, in the experimental conditions, by means of the intraseminal growth that results in the protrusion (or emergence) of one live embryo. In general, it is presented as percentage, accompanied by some dispersion measurement, but it is possible to use proportion rather than percentage, and the proportion values for one or several samples can be submitted to statistical tests (Carvalho et al 2005). As the majority of papers include the germinability through time or at the end of the observations, it should be clear that its importance, meaning, and method of calculation are a consensus among researchers.…”
Section: Measurement Of Germination Capacitymentioning
confidence: 99%
“…According to Labouriau (1983a), germinability of one seed sample is the percentage of seeds in which the germination process reaches the end, in the experimental conditions, by means of the intraseminal growth that results in the protrusion (or emergence) of one live embryo. In general, it is presented as percentage, accompanied by some dispersion measurement, but it is possible to use proportion rather than percentage, and the proportion values for one or several samples can be submitted to statistical tests (Carvalho et al 2005). As the majority of papers include the germinability through time or at the end of the observations, it should be clear that its importance, meaning, and method of calculation are a consensus among researchers.…”
Section: Measurement Of Germination Capacitymentioning
confidence: 99%
“…Os coeficientes de variação do tempo para as plântulas oriundas de sementes de Copaifera langsdorffii da matriz 1 foram relativamente baixos, quando comparados com os valores obtidos nas outras espécies nativas, que estão entre 17 e 34% (CARVALHO et al, 2005;DORNELES et al, 2005), o que mostra a menor dispersão da emergência de plântulas dessa espécie em relação ao tempo. Esse resultado é confirmado pelos polígonos de frequência relativa de emergência (Figura 1) que assinalam poucos picos com alta frequência, à semelhança do que foi registrado em núculas de Anacardium humile (CARVALHO et al, 2005), apesar da existência de picos isolados que fizeram o valor da incerteza ser elevado, caracterizando o processo como assíncrono.…”
Section: Emergência De Plântulas Oriundas De Sementes Recém-colhidas unclassified
“…Esse resultado é confirmado pelos polígonos de frequência relativa de emergência (Figura 1) que assinalam poucos picos com alta frequência, à semelhança do que foi registrado em núculas de Anacardium humile (CARVALHO et al, 2005), apesar da existência de picos isolados que fizeram o valor da incerteza ser elevado, caracterizando o processo como assíncrono.…”
Section: Emergência De Plântulas Oriundas De Sementes Recém-colhidas unclassified
“…É nativa do Brasil e de ocorrência natural em campo sujo e cerrado sensu stricto (Carvalho et al 2005). Estudos estão sendo realizados e nos últimos 30 anos, alguns destes trabalhos demonstraram que esta planta possui atividade antifúngica, anti-inflamatória e anticancerígena, entre outras (Luiz-Ferreira et al 2008).…”
Section: Introductionunclassified