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- Title
CONDUTIVIDADE HIDRÁULICA DE RAIZ E CAPACIDADE FOTOSSINTÉTICA DE MUDAS CLONAIS DE EUCALIPTO COM INDUÇÃO DE DEFORMAÇÕES RADICULARES.
- Authors
Figueiredo, Fábio Afonso Mazzei Moura de Assis; Carneiro, José Geraldo de Araújo; Penchel, Ricardo Miguel; Campostrini, Eliemar; Thiebaut, José Tarcísio de Lima; Barroso, Deborah Guerra
- Abstract
The gain reduction of wood biomass in trees has been assigned to root deformations even in the nursery phase. The objective of this work was the evaluation of the root system hydraulic conductivity, gas exchanges and photochemical efficiency of eucalypt clonal cuttings with and without root deformation inductions. The treatments were: 1) operational cuttings without root malformation inductions (grown according to the used methodology of Fibria Cellulose S.A.); 2) root deformation inductions. These inductions did not promote decrease in the root volume. However, the deformations brought reduction of the root system hydraulic conductivity. Lower photosynthetic rates were also observed along the day in the cuttings in the root deformed cuttings. This decreasing rate is connected to stomatal and non stomatal factors.
- Publication
Ciência Florestal (01039954), 2014, Vol 24, Issue 2, p277
- ISSN
0103-9954
- Publication type
Article