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Ciência Florestal
Centro de Pesquisas Florestais - CEPEF, Departamento de Ciências Florestais - DCFL, Programa de Pós Graduação em Engenharia Florestal - PPGEF
ISSN: 0103-9954
EISSN: 0103-9954
Vol. 16, No. 1, 2006, pp. 11-16 		Bioline Code: cf06002
Full paper language: Portuguese
Document type: Research Article
Document available free of charge

Ciência Florestal, Vol. 16, No. 1, 2006, pp. 11-16

 en EFFECT OF CONTAINER VOLUME ON INITIAL GROWTH OF Cordia trichotoma check for this species in other resources (Vell.) Arrab. ex Steud AND Jacaranda micranta check for this species in other resources Cham. SEEDLINGS
Malavasi, Ubirajara Contro & Malavasi, Marlene de Matos

Abstract

This study compared the effects of container volume upon initial seedling growth of Cordia trichotoma check for this species in other resources (Vell.) Arrab. ex Steud and Jacaranda micranta check for this species in other resources Cham. 180 days after the planting. The plastic containers used were filled with commercial nursery substrate and displayed volumes of 55, 120, 180 and 300 cm3. No mortality was recorded among seedlings of all container sizes. There were no statistical differences in respect of height and stem diameter from seedlings cultivated in 120, 180 and 300 cm3 containers 180 days after the planting date.

Keywords
seedlings; containers; development; root restriction.

 
 pt EFEITO DO VOLUME DO TUBETE NO CRESCIMENTO INICIAL DE PLÂNTULAS DE Cordia trichotoma check for this species in other resources a (Vell.) Arrab. ex Steud E Jacaranda micranta check for this species in other resources Cham.
Malavasi, Ubirajara Contro & Malavasi, Marlene de Matos

Resumo

O ensaio comparou os efeitos de tubetes de quatro volumes no crescimento de mudas de Cordia trichotoma check for this species in other resources (Vell.) Arrab. ex Steud e Jacaranda micranta check for this species in other resources Cham. até 180 dias após o plantio (DAP). Foram utilizados tubetes plásticos de seção circular e volume de 55, 120, 180 e 300 cm3 preenchidos com substrato comercial. Os resultados indicaram que, durante a fase de viveiro na qual não fora anotada nenhuma mortalidade, os tubetes menores causaram diminuição da massa seca do sistema radicular e do número de radicelas. O crescimento a campo em altura e diâmetro das mudas das duas espécies utilizadas no ensaio resultou em similaridade estatística entre as originadas de tubetes com volumes de 120, 180 e 300 cm3 ao final de 180 dias após plantio.

Palavras-chave
mudas; recipientes; desenvolvimento; restrição radicular.

 
© Copyright 2006 - Ciência Florestal
Alternative site location: http://cascavel.ufsm.br/revistas/ojs-2.2.2/index.php/cienciaflorestal/index

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