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Revista Árvore

versão impressa ISSN 0100-6762

Resumo

MAZZINI-GUEDES, Renata Bachin  e  PIVETTA, Kathia Fernandes Lopes. Initial growth of Bauhinia variegata trees under different colored shade nets and light conditions. Rev. Árvore [online]. 2014, vol.38, n.6, pp.1133-1145. ISSN 0100-6762.  https://doi.org/10.1590/S0100-67622014000600018.

Bauhinia variegata and B. variegata var. candida, commonly known as orchid trees, are small sized trees widely used for urban forestry and landscaping. Adult plants grow under full sun; in Brazil, however, seedlings are generally cultivated in commercial nurseries under natural half-shading. The objective of this study was to evaluate the influence of different colored shade nets and light conditions on the initial growth of B. variegata and B. variegata var. candida. The influence of six light conditions (red net with 50% shading; blue net with 50% shading; black net with 70% shading; black net with 50% shading; black net with 30% shading; and full sun) on the initial growth of B. variegata and B. variegata var. candida were evaluated along 160 days, and growth relationships were calculated. Seedlings showed more efficiency on the use of photoassimilated compounds when grown under full sun. Such condition is the most appropriate for seedling production of B. variegata and B. variegata var. candida, contradicting what has been performed in practice.

Palavras-chave : Orchid tree; Shading; Ornamental tree.

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