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Floresta
Article . 2009 . Peer-reviewed
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FOTOSSÍNTESE E TOLERÂNCIA PROTOPLASMÁTICA FOLIAR EM Myracrodruon urundeuva FR. ALL.

Authors: Lílian Santos Barreto; Alisson Harley Brito da Silva; Graziela Katarina Pereira Neiva; Ailton De Jesus Ribeiro; Solange Maria Costa de Amorim;

FOTOSSÍNTESE E TOLERÂNCIA PROTOPLASMÁTICA FOLIAR EM Myracrodruon urundeuva FR. ALL.

Abstract

Myracrodruon urundeuva Fr. All., Anacardiaceae conhecida como aroeira-do-sertão, pode ser encontrada na Caatinga, no Cerrado e em Floresta Pluvial. As taxas de fotossíntese e transpiração, condutância estomática, conteúdo relativo de água e a tolerância protoplasmática foliar foram medidos em plantas com cinco meses de idade, sob condições de casa de vegetação, e submetidas a dois regimes de suprimento de água: irrigação diária e nenhum suprimento de água durante cinco dias. As avaliações foram feitas nas folhas das posições apical, intermediária e básica da planta. O déficit da água promoveu o incremento no conteúdo relativo de água nas folhas de todas as posições na planta, assim como a taxa reduzida da fotossíntese. As folhas apicais foram as mais sensíveis aos regimes de suprimento de água. Submetidas a alta temperatura, as folhas da posição intermediária no caule mostraram uma tolerância protoplasmática mais elevada.

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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!
0
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