EFFECT OF SHADING ON LEAF ANATOMY OF YOUNG PLANTS OF ANDIROBA (Carapa guianensis Aubl.)

被引：0
|
作者：
Aragao, Dayse de Souza [1 ]
Pereira Lunz, Aureny Maria
de Oliveira, Luis Claudio
Raposo, Andrea
Poeta Fermino Junior, Paulo Cesar [2 ]
机构：
[1] Univ Fed Acre, Mestre Ecol & Manejo Recursos Nat, Rio Branco, AC, Brazil
[2] Univ Fed Acre, Rio Branco, AC, Brazil
来源：
REVISTA ARVORE | 2014年 / 38卷 / 04期
关键词：
Luminosity; Phenotypic plasticity; Carapa guianensis; GROWTH IRRADIANCE; LIGHT; PHOTOSYNTHESIS; ACCLIMATION; SUN; PLASTICITY;
D O I：
暂无
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
The ability to use light varies between species and the success of each individual depends on his morphoanatomical adaptations. The aim of this study was to evaluate the influence of different light intensities on leaf anatomy of seedlings of Carapa guianensis Aubl. Healthy leaves of the second and third nodes were collected from young plants grown in four levels of shading: 30%, 50%, 70% and 0% (full sun) during the eight months of the experiment. Anatomical analyzes were made under Optical Microscopy (OM), from temporary and permanent slides, and Scanning Electron Microscopy (SEM). The stomatal density showed no significant differences. The dimensions of stomata and thicknesses of the leaf tissue were greater with increasing light intensity. C. guianensis presents anatomical plasticity enabling survival in the forest under different lighting conditions.
引用
收藏
页码：631 / 639
页数：9
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