Anatomia foliar de ipê-branco (Tabebuia roseo Alba (Ridl.) Sand.) – Bignoniaceae, proveniente do cultivo ex vitro e in vitro

Abbade, Leticia Caravita; Paiva, Patrícia Duarte de Oliveira; Paiva, Renato; Castro, Evaristo Mauro de; Centofante, Agda Rabelo; Oliveira, Carlos Eduardo Alves

doi:10.4025/actascibiolsci.v31i3.1937

Cited by 11 publications

(5 citation statements)

References 2 publications

(3 reference statements)

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“…A similar result was found in the leaves of ex vitro Tabebuia roseo alba ('ipê-branco') plants, which had thicker leaf blades and midribs than the leaves of plants that were grown in vitro (ABBADE et al, 2009).…”

Section: Discussionsupporting

confidence: 61%

In vitro conservation and leaf anatomy of different chemotypes of Lippia alba (Mill.) N. E. BR

Peixoto¹,

Oliveira²,

Blank³

et al. 2017

Biosci. J.

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ABSTRACT:The aim of this work was to develop an in vitro conservation protocol for Lippia alba that involved mineral oil and to study the leaf anatomy of L. alba genotypes in in vitro and ex vitro environments. In vitro conservation involved five genotypes; LA-13 and LA-57 (carvone chemotype); LA-22 (linalool chemotype); and LA-29 and LA-44 (citral chemotype). Each genotype was treated with mineral oil, with water, and a control at 18°C and 23°C. Survival (%), shoot height (cm) and leaf color were assessed at 180 and 270 days. The genotypes with the best in vitro conservation outcomes (LA-13 and LA-57) were used to study the anatomy of the leaves. Midrib thickness, leaf blade thickness, adaxial and abaxial cuticles and the number of glandular and tector trichomes were assessed. A temperature of 18°C was optimal for the conservation of genotypes of the carvone chemotypes. The explants were short and had green leaves. This was especially true for LA-57, whose height did not exceed 2.0 cm. At 270 days, the LA-13 and LA-57 genotypes continued to have green and viable leaves, especially LA-57, which had the lowest mean height. Field plants of the carvone chemotype had thicker midribs, leaf blades, and cuticles and had more trichomes. The LA-57 genotype had the most glandular and tector trichomes.

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Section: Discussionsupporting

confidence: 61%

In vitro conservation and leaf anatomy of different chemotypes of Lippia alba (Mill.) N. E. BR

Peixoto¹,

Oliveira²,

Blank³

et al. 2017

Biosci. J.

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“…In general, the thickness of the leaf blade decreased in poorly ventilated semi-solid cultures. Variations in leaf thickness are mainly attributed to differing proportions of mesophyll components, which are influenced by the surrounding environment (Caravita Abbade et al 2009;Robinson et al 2009). We found that the temporary immersion system does not affect laminar thickness; it produces leaves similar to those grown in the external reference conditions.…”

Section: Discussionmentioning

confidence: 99%

Anatomical and histological features of Ilex paraguariensis leaves under different in vitro shoot culture systems

Luna

González

Mroginski

et al. 2017

Plant Cell Tiss Organ Cult

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“…Exceto pelo que foi verificado nas duas amostras do ápice foliar de C. aff. seccoi 2 e 5, nossos resultados estão de acordo com os estudos sobre a anatomia foliar com plantas do Cerrado, que mostram que a maioria delas apresenta folhas hipoestomáticas [18,36,37] e que a presença de câmaras subestomáticas é uma característica comum em orquídeas epífitas adaptadas a elevadas temperaturas e a pouca disponibilidade de água [38,39].…”

Section: Resultsunclassified

Anatomia foliar e radicular comparativa de sete espécies de Catasetum Rich. ex Kunth (Orchidaceae: Catasetinae)

2022

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O gênero Catasetum é um grupo complexo e pouco se conhece sobre a composição anatômica de suas folhas e raízes. O presente estudo objetivou descrever e comparar anatomicamente a estrutura foliar e radicular de sete espécies e contribuir com o conhecimento anatômico e taxonômico das espécies incluídas na subtribo Catasetinae. As amostras foram fixadas em FAA70 e preservadas em etanol 70%. As secções foram realizadas a mão livre, clarificadas em hipoclorito de sódio 50% e, posteriormente, coradas com fucsina básica e azul de Astra 0,05%. As lâminas foram montadas com gelatina glicerinada e lutadas com esmalte incolor. Os espécimes estudados são estruturalmente semelhantes entre si, com folhas de epiderme uniestratificada, cutícula delgada e lisa em ambas as faces, colênquima angular, esclerênquima circundando o feixe vascular da nervura principal e mesofilo homogêneo e raízes com epivelame distinguível, velame multiestratificado com espessamento secundário, exoderme uniestratificada com presença de tilossomos, córtex parenquimático multiestratificado, endoderme e periciclo uniestratificado e cilindro vascular poliarco, estando esses dados de acordo com a literatura para o gênero. O registro de folhas anfiestomaticas são aqui descritas pela primeira vez para a anatomia das Catasetum. Contudo, não foram encontrados marcadores anatômicos úteis para diferenciar as espécies estudas ou que contribuíssem para fins taxonômicos ou com a sistemática deste gênero.

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Anatomia foliar de ipê-branco (Tabebuia roseo Alba (Ridl.) Sand.) – Bignoniaceae, proveniente do cultivo ex vitro e in vitro

Cited by 11 publications

References 2 publications

In vitro conservation and leaf anatomy of different chemotypes of Lippia alba (Mill.) N. E. BR

In vitro conservation and leaf anatomy of different chemotypes of Lippia alba (Mill.) N. E. BR

Anatomical and histological features of Ilex paraguariensis leaves under different in vitro shoot culture systems

Anatomia foliar e radicular comparativa de sete espécies de Catasetum Rich. ex Kunth (Orchidaceae: Catasetinae)

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