2017
DOI: 10.5935/1806-6690.20170037
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Variability among mother trees of Ceiba speciosa St. Hil for characteristics of the fruits and seeds

Abstract: RESUMO -A paineira-rosa (Ceiba speciosa St. Hil. -Malvaceae) é uma espécie arbórea com grande importância na recuperação de ecossistemas degradados e cuja madeira e paina são usadas em diversas atividades econômicas. O presente estudo avaliou a variabilidade e a repetibilidade para caracteres biométricos de frutos e sementes e qualidade de sementes entre árvores matrizes de C. speciosa. Foram coletados frutos de 36 árvores matrizes, determinando-se em cinco frutos o diâmetro, comprimento, massa fresca e seca e… Show more

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Cited by 9 publications
(8 citation statements)
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“…This is probably related to the fact the seeds of forest species have wide genetic variability, resulting in a varied diversity of morphophysiological characteristics (NETO; PAULA, 2017). Still, according to Neto and Paula (2017), it is because these species are widely distributed over a large geographic area, subject to edaphoclimatic variations, stressing that these factors require caution in setting standards related to a specific species, particularly seeds in their germinative behavior.…”
Section: Resultsmentioning
confidence: 99%
“…This is probably related to the fact the seeds of forest species have wide genetic variability, resulting in a varied diversity of morphophysiological characteristics (NETO; PAULA, 2017). Still, according to Neto and Paula (2017), it is because these species are widely distributed over a large geographic area, subject to edaphoclimatic variations, stressing that these factors require caution in setting standards related to a specific species, particularly seeds in their germinative behavior.…”
Section: Resultsmentioning
confidence: 99%
“…variabilidade dentro e entre populações naturais (Gratani, 2014), por outro lado, dados relacionados à biometria de sementes podem contribuir na diferenciação de espécies pertencentes a um mesmo gênero (Battilani et al, 2007, Roveri & Paula, 2017, ou mesmo possibilitar inferências acerca da variabilidade fenotípica em cultivares (Christo et al, 2014).…”
Section: Discussionunclassified
“…moniliformis trees produce seeds with distinct densities, which is evidenced by the 1000-seed weight (TSW), where a variation from 26.9 to 51.5 g of seeds was found among the trees or, namely, from 37,200 to 19,400 seeds per kilogram, respectively (Table 1). Determining the TSW and the number of seeds per kilogram are also fundamental physical analyses (Roveri Neto & Paula, 2017). This variable, the 1000-seed weight, is used to calculate: the sowing density, an important information for planning planting or seedling production in the nursery; the number of seeds per package; and the working sample weight for purity analysis, when not specified in the Brazilian rules for seed testing, the Regras Para Análise de Sementes (Brasil, 2009).…”
Section: /10mentioning
confidence: 99%