Floresta e Ambiente
https://www.floram.org/article/doi/10.1590/2179-8087-FLORAM-2021-0054
Floresta e Ambiente
Original Article Silviculture

Morphophysiological Evaluation of Schizolobium Parahyba Var. Amazonicum and Eucalyptus urograndis Growing in Different Levels of Shading

Hygor Gomes de Almeida Sousa, Igor Viana Souza, Bruno Aurélio Campos Aguiar, Gabriella Rayssa Antunes da Silva Oliveira, Flávia Bezerra Souza, Maristela Lima Figueiredo Guimarães Epifânio, Valéria Cardoso Lopes, Priscila Bezerra Souza

http://dx.doi.org/10.1590/2179-8087-FLORAM-2021-0054 FLORAM, vol.29, n1, e20210054, 2022
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Abstract

This study aimed to identify the best shade level for the growth of Schizolobium parabyba var. amazonicum and Eucalyptus urograndis seedlings to obtain more resilient seedlings with higher quality. We used an entirely randomized design was used, in a 2 x 4-factor scheme, with two species and four levels of shading, comprising 5 repetitions and 6 plants per repetition, totaling 30 plants per treatment. The four shading levels were characterized as follows: T1 (full sun), T2 (50%-shading screen), T3 (plastic), T4 (50%-shading screen plus wool blanket). For the production of Eucalyptus urograndis seedlings, it is recommended an unshaded environment, since one variable showed a significant difference. For the Schizolobium parahyba var. amazonicum species, it is suggested to produce it under shade, where is was achived (50% together with the wool blanket), better results for the most variables.

Keywords

Environment; Growth; Forest-planted; Primary material

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Submitted date:
06/29/2021

Accepted date:
01/03/2022

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