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Enraizamento de estacas de Caesalpinia echinata Lam. em hidroponia

Authors: Valeri, Sergio Valiengo; Lopo de Sa, Ariadne Felicio; Geraldo Martins, Antonio Baldo; Barbosa, Jose Carlos;

Enraizamento de estacas de Caesalpinia echinata Lam. em hidroponia

Abstract

http://dx.doi.org/10.5902/198050985731O objetivo deste trabalho foi determinar a necessidade e a concentração apropriada de ácido indolbutírico (AIB) no enraizamento de estacas de Caesalpinia echinata em sistema de hidroponia, para a produção de mudas. O experimento foi realizado em casa de vegetação da Faculdade de Ciências Agrárias e Veterinárias da UNESP Jaboticabal, SP. O material vegetal foi constituído de 160 estacas caulinares de 11 a 12 cm de comprimento com dois pares de folhas obtidas de mudas jovens produzidas partindo de sementes. As bases das estacas foram tratadas pelo método de imersão lenta em solução de etanol a 5% durante 14 horas contendo 0, 100, 200 e 400 mg L-1 de AIB e via imersão rápida em solução de etanol a 50% durante 5 segundos contendo 0, 1000, 3000 e 5000 mg L-1 de AIB. As estacas permaneceram no sistema de hidroponia por 90 dias e 90 dias adicionais em sacos de polietileno contendo Plantmax® como substrato, sendo mantidas sob nebulização intermitente. Após 90 e 180 dias de enraizamento, foram avaliados a porcentagem de sobrevivência e de estacas enraizadas, o número e o comprimento de raízes adventícias. As estacas devem ser tratadas com ácido indolbutírico na concentração de 100 mg L-1 por 14 horas e colocadas para enraizar em sistema de hidroponia.

Country
Brazil
Keywords

660, rooting, S, auxina, indole-3-butyric acid, Indole-3-butyric acid, Agriculture, Forestry, Brazil wood, pau-brasil, SD1-669.5, ácido indolbutírico, Auxin, Rooting, enraizamento, auxin

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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gold