Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/37294
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dc.creatorBrondani, Gilvano Ebling-
dc.creatorBaccarin, Francisco José Benedini-
dc.creatorOndas, Heron Wilhelmus de Wit-
dc.creatorStape, José Luiz-
dc.creatorGonçalves, Antonio Natal-
dc.creatorAlmeida, Marcilio de-
dc.date.accessioned2019-10-18T16:23:13Z-
dc.date.available2019-10-18T16:23:13Z-
dc.date.issued2012-12-
dc.identifier.citationBRONDANI, G. E. et al. Low temperature, IBA concentrations and optimal time for adventitious rooting of eucalyptus benthamii mini-cuttings. Journal of Forestry Research, [S.l.], v. 23, n. 4, p. 583-592, Dec. 2012.pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/37294-
dc.description.abstractEucalyptus benthamii is a forest species of economic interest that has difficulty with seed production and also is considered to have difficulty with adventitious rooting using propagation techniques, such as cutting or mini-cutting. We aimed to assess the adventitious rooting percentage under different storage times in low temperatures and at various IBA (indole-3-butyric acid) concentrations to determine the optimal time of permanence for rooting Eucalyptus benthamii minicuttings in a greenhouse. Shoots collected from mini-stumps cultivated in a semi-hydroponic system were used to obtain the mini-cuttings. For the first experiment, the mini-cuttings were stored at 4°C for 0 (immediate planting), 24, 48, 72, 96 and 120 h. The second experiment evaluated the rooting dynamic to determine the optimal time of permanence for minicuttings in a greenhouse. The basal region of the mini-cutting was treated with various IBA solutions: 0 (free of IBA), 1,000, 2,000, 3,000 and 4,000 mg·L−1. Every seven days (0 (immediate planting), 7, 14, 21 and 28 days), destructive sampling of the mini-cuttings was performed to evaluate the histology of the adventitious rooting. Eucalyptus benthamii minicuttings should be rooted immediately after the collection of the shoots. The 2,000 mg·L−1 IBA concentration induced a greater speed and percentage of adventitious rooting, and an interval of 35 to 42 days was indicated for permanence of the mini-cuttings in the greenhouse. Exposure to low temperature induced adventitious root formation with diffuse vascular connections.pt_BR
dc.languageen_USpt_BR
dc.publisherSpringerpt_BR
dc.rightsrestrictAccesspt_BR
dc.sourceJournal of Forestry Researchpt_BR
dc.subjectRhizogenesispt_BR
dc.subjectPlant cloningpt_BR
dc.subjectMini-cutting techniquept_BR
dc.subjectHistological analysispt_BR
dc.subjectIndole-3-butyric acidpt_BR
dc.titleLow temperature, IBA concentrations and optimal time for adventitious rooting of eucalyptus benthamii mini-cuttingspt_BR
dc.typeArtigopt_BR
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