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Sitientibus : Série Ciências Biológicas
Article . 2009 . Peer-reviewed
Data sources: Crossref
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Estimativa de área foliar através de método não-destrutivo em Coccoloba rosea Meisn. e Coccoloba ramosissima Wedd. (Polygonaceae)

Authors: Kátia Rose Silva Mariano; Solange Maria Costa Amorim; Carlos Alberto Santiago Mariano Júnior; Kilma Kelly Almeida Silva;

Estimativa de área foliar através de método não-destrutivo em Coccoloba rosea Meisn. e Coccoloba ramosissima Wedd. (Polygonaceae)

Abstract

O presente estudo teve como objetivo estabelecer uma equação matemática baseada nas relações entre a área foliar real e as medidas lineares do limbo, comprimento e largura, para estimar a área foliar de Coccoloba rosea e C. ramosissima (Polygonaceae). De cada espécie, foram coletadas aleatoriamente 50 folhas de dez indivíduos diferentes. Foram registradas as medidas de maior comprimento e largura do limbo. Em seguida, a área foliar individual foi lida com um medidor de área foliar e então foram aplicadas as seguintes análises de regressão: linear simples, geométrica, exponencial, polinomial e logarítmica. Os critérios utilizados para a seleção da melhor equação foram maior coeficiente de determinação (R2), maior coesão dos pontos e maior praticidade. As equações que se mostraram mais adequadas para a estimativa da área foliar de C. rosea e C. ramosissima foram y=0,7705CL (R2=0,98) e y=0,7416CL (R2=0,91), respectivamente.

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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!
1
Average
Average
Average
gold