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Revista de Ciências Agrárias
Article . 2017 . Peer-reviewed
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Revista de Ciências Agrárias
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Atributos biométricos de frutos e sementes de Peltophorum dubium (Spreng.) Taub.

Fruit and seed biometrical characteristics of Peltophorum dubium (Spreng.) Taub.
Authors: Zuffo, Alan Mario; Steiner, Fábio; Zoz, Tiago; Júnior, Joacir M. Zuffo; Douradinho, Gabriel Z.; Oliveira, Camila P.; Bortolazzo, Guilherme;

Atributos biométricos de frutos e sementes de Peltophorum dubium (Spreng.) Taub.

Abstract

A canafístula (Peltophorum dubium) é uma espécie nativa com grande potencial económico e amplamente utilizada na arborização urbana e rural da América do Sul, todavia, constatou-se haver poucas informações sobre as características intrínsecas dos frutos e sementes. Características biométricas de frutos e sementes são importantes para a formação de lotes uniformes de sementes, para estudos de dispersão e de produção de mudas de qualidade. Nestes pressupostos, este trabalho teve como objetivo determinar e correlacionar as principais características biométricas dos frutos e sementes de canafístula, para averiguar sobreas potencialidades produtivas e económicas desta espécie. Analisaram-se 100 frutos frescos e 100 sementes quanto ao comprimento longitudinal, largura, espessura, massa fresca do fruto e da semente, massa fresca da casca, número de sementes por fruto, massa seca e umidade da semente. As características biométricas foram analisadas mediante distribuição de frequência, calculando-se o coeficiente de correlação de Spearman (rS) e o nível de significância através do teste t (P = 0,05). Os frutos e sementes de canafístula apresentam variabilidade para a maioria das características biométricas determinadas, bem como correlação positiva predominante entre elas. As sementes apresentam grande potencial pelo alto rendimento da massa seca, sendo possível a seleção de sementes com maior massa seca com base em características como a massa fresca das sementes.

Revista de Ciências Agrárias, vol. 40 n.º 1 (2017)

Keywords

correlação Spearman, biometrics, Spearman correlation, biometria, Brazilian savanna, Cerrado

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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