Mini-incubators improve the adventitious rooting performance of corymbia and eucalyptus microcuttings according to the environment in which they are conditioned

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dc.creatorGilvano Ebling Brondani
dc.creatorLeandro Silva de Oliveira
dc.creatorEnéas Ricardo Konzen
dc.creatorAndré Luís Lopes da Silva
dc.creatorJefferson da Luz Costa
dc.date.accessioned2023-02-28T18:06:19Z
dc.date.accessioned2025-09-09T01:18:53Z
dc.date.available2023-02-28T18:06:19Z
dc.date.issued2018
dc.identifier.doihttp://dx.doi.org/10.1590/0001-3765201720170284
dc.identifier.issn1678-2690
dc.identifier.urihttps://hdl.handle.net/1843/50517
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.rightsAcesso Aberto
dc.subjectMicropropagation
dc.subjectEstufas
dc.subject.otherMaximum average temperature
dc.subject.otherMicropropagation
dc.subject.otherRhizogenesis
dc.subject.otherShade house
dc.subject.otherGreenhouse
dc.titleMini-incubators improve the adventitious rooting performance of corymbia and eucalyptus microcuttings according to the environment in which they are conditioned
dc.typeArtigo de periódico
local.citation.epage2423
local.citation.issue2
local.citation.spage2409
local.citation.volume90
local.description.resumoWe addressed a major challenge in the in vitro clonal propagation of Corymbia citriodora, Eucalyptus urophylla and E. benthamii by using an ex vitro adventitious rooting strategy in a mini-incubator. Miniincubators were placed in four environments for rooting. A shade house with no fogging system and a greenhouse with no ventilation but with a fogging environment had the best performance in terms of rooting, root growth and survival of microcuttings. Daily recording of the temperature within each miniincubator in each environment allowed the verification of negative correlations between the maximum average temperature and the survival, adventitious rooting and root growth. The ideal maximum air temperature for the efficient production of clonal plants was 28.4°C (± 5.5°C), and the minimum was 20.3°C (± 6.2°C). E. benthamii was more sensitive to higher temperatures than C. citriodora and E. urophylla. Nevertheless, placing mini-incubators in the shade house with no fogging system resulted in a stable and uniform performance among the three species, with 100.0% survival and 81.4% rooting. Histological sections of the adventitious roots revealed connection with the stem vascular cambium. Therefore, our experimental system demonstrated the potential of mini-incubators coupled with the proper environment to optimize the adventitious rooting performance of microcuttings.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG

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