Axial variation in the cambium anatomy of Schizolobium parahyba var. amazonicum-Reference-Cited by-同舟云学术

Axial variation in the cambium anatomy of Schizolobium parahyba var. amazonicum

Published:2020-02-14 Issue:10 Volume:74 Page:905-915
ISSN:1437-434X
Container-title:Holzforschung
language:en
Short-container-title:

Author:

Melo Luiz Eduardo de L.¹,de Vasconcellos Thaís J.²,Siviero Marco A.³,Callado Cátia H.²,Barbosa Ana Carolina M.C.⁴,Mori Fábio A.⁴

Affiliation:

1. Departamento de Tecnologia e Recursos Naturais , Universidade do Estado do Pará – Campus VIII , 68503-120 Marabá , PA , Brazil

2. Instituto de Biologia Roberto Alcantara Gomes , Universidade do Estado do Rio de Janeiro , 20550-013 Rio de Janeiro , RJ , Brazil

3. Grupo Arboris , 68633-970 Dom Eliseu , PA , Brazil

4. Departamento de Ciências Florestais , Universidade Federal de Lavras , 37200-000 Lavras , MG , Brazil

Abstract

Abstract Schizolobium parahyba var. amazonicum (paricá) is a promising forest species that has been planted in some states of the Amazon region in Brazil, to meet the demand of the plywood panel industry. The present work involves a study of the variations of the cambium and their impact on derivative tissues at different heights in the stem of S. parahyba var. amazonicum. Except for the tangential diameter of the fusiform initials (DFI) and the width of the xylem cell layer in differentiation (WXD), there was significant statistical variation between the evaluated axial positions for all anatomical parameters of the cambium. A strong positive correlation was noticed between the length of the fusiform initials (LFI) with ray height (RH) [r = 0.79, degree of freedom (DF) = 7, P < 0.05], vessel element length (VL) (r = 0.78, DF = 7, P < 0.05) and fiber length (FL) (r = 0.74, DF = 7, P < 0.05). The results of this study give quantitative support that the LFI is an important prognosis, not only for the VL and FL, but also for the rays, in hardwood species.

Publisher

Walter de Gruyter GmbH

Subject

Biomaterials

Link

https://www.degruyter.com/document/doi/10.1515/hf-2019-0231/pdf

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