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Efeito do sombreamento no crescimento inicial de Lonchocarpus muehlbergianus Hassl

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Sociedade Botânica do Brasil

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Abstract (portuguese)

Foi realizado experimento em casa de vegetação para verificar a influência do sombreamento no desenvolvimento de plantas de Lonchocarpus muehlbergianus. Foram utilizados os níveis de sombreamento de 40 e 60% com tela de sombrite de cor preta e o nível de 0%, com luminosidade total. Foram obtidos os seguintes resultados: as plantas cultivadas em 40 e 60% de sombreamento apresentaram as maiores médias de altura e área foliar. Os maiores valores de diâmetro do colo e da raiz principal e de peso da matéria seca da parte aérea e do sistema radicular foram observados nas plantas sob 0 e 40% de sombreamento.

Abstract (english)

This experiment was carried out under greenhouse conditions to verifiy the influence of shading on the growth of Lonchocarpus muehlbergianus plants. The following shading levels were used: 40% and 60% obtained using black plastic screening, and 0% under full light. The following results were obtained: the plants cultivated in 60% shading were higher and present larger leaf areas, wider collar and main root diameters, besides larger aerial and dry root weight were obtained in plants cultivated in 0% and 40% shading.

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sombreamento, Lonchocarpus muehlbergianus, crescimento, shading, Lonchocarpus muehlbergianus, growth

Language

Portuguese

Citation

Acta Botanica Brasilica. Sociedade Botânica do Brasil, v. 12, n. 3, p. 367-372, 1998.

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