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ESTABELECIMENTO IN VITRO DE CLONES HÍBRIDOS DE Eucalyptus globulus

Authors: Borges, Silvano Rodrigues; Xavier, Aloisio; Oliveira, Leandro Silva de; Lopes, Aline Pontes; Otoni, Wagner Campos; Takahashi, Elizabete Keiko; Melo, Lucas Amaral de;

ESTABELECIMENTO IN VITRO DE CLONES HÍBRIDOS DE Eucalyptus globulus

Abstract

RESUMO O presente estudo teve como objetivos avaliar o comportamento de clones de Eucalyptus grandis W.Hill ex Maiden x Eucalyptus globulus Labill e Eucalyptus urophylla S.T.Blake x Eucalyptus globulus Labill e o efeito de diferentes introduções in vitro (aos 30, 90 e 150 dias após a poda do ápice das minicepas) na fase de estabelecimento in vitro. As minicepas, fornecedoras dos explantes para a introdução in vitro, foram conduzidas em minijardim clonal semi-hidropônico. Segmentos nodais de 21 clones de Eucalyptus urophylla x Eucalyptus globulus e 8 clones de Eucalyptus grandis x Eucalyptus globulus foram coletados, desinfestados e inoculados em meio de cultura MS, suplementado com 0,5 mg L-1 de BAP e 0,1 mg L-1 de ANA. Após 30 dias em cultura, foram feitas as avaliações e concluiu-se que houve variação entre clones, bem como entre introduções in vitro, para as variáveis estudadas, sendo possível o estabelecimento in vitro da maioria dos clones. ABSTRACT The present study aimed to evaluate the behavior of Eucalyptus grandis x Eucalyptus globulus and Eucalyptus urophylla x Eucalyptus globulus clones and the effect of different in vitro insertions (at 30, 90 and 150 days after pruning the donor plants) in the in vitro establishment phase. The mini-stump plants, explant providers for the in vitro introductions, were cultivated under an indoor semi-hydroponic clonal mini-hedging. Nodal segment explants of 21 Eucalyptus urophylla x Eucalyptus globulus clones and eight Eucalyptus grandis x Eucalyptus globulus clones were harvested, disinfected and inoculated in an MS culture medium, supplemented with 0.5 mg L-1 of BAP and 0.1 mg L-1 of NAA. After 30 days in culture, evaluations were made and it was concluded that there were variations among the clones, as well as in vitro introductions, for the studied variables, where the in vitro establishment was possible for most clones.

Keywords

introdução in vitro, clonagem, cloning, Micropropagação, Micropropagation, in vitro introduction

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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
Green