Relevant bibliographies by topics / Lycaste

Academic literature on the topic 'Lycaste'

Author: Grafiati
Published: 25 July 2024

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Journal articles on the topic "Lycaste"

1

Oakeley, Henry F. "LYCASTE CANDIDA: Orchidaceae." Curtis's Botanical Magazine 10, no. 1 (February 1993): 22–27. http://dx.doi.org/10.1111/j.1467-8748.1993.tb00007.x.

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2

Machado, Wesley, and André Sarabia Zamarian. "Polpa de Banana, Água de Coco e Carvão Ativado no Desenvolvimento in vitro de Lycaste sp." Ensaios e Ciência C Biológicas Agrárias e da Saúde 24, no. 2 (August 26, 2020): 159–63. http://dx.doi.org/10.17921/1415-6938.2020v24n2p159-163.

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O objetivo deste trabalho foi avaliar o desenvolvimento inicial in vitro de plântulas da espécie de orquídea Lycaste sp. em meio de cultura com a adição de polpa de banana, água de coco e carvão ativado. O experimento foi conduzido em laboratório na Unopar, em Londrina, Paraná. Foi utilizado o meio de cultura MS (Murashige e Skoog) como suporte para o desenvolvimento das plântulas. As plântulas germinadas in vitro foram transferidas para meios de cultura, contendo as seguintes combinações: sem adição e com a combinação de polpa de banana e água de coco em meio (MS) com a concentração de totais de sais e meio com metade dos sais, acrescidos com e sem carvão ativado. Observou-se que os meios com concentração total de sais, água de coco e sem carvão ativado obtiveram um melhor resultado em comparação com o restante dos meios. As plântulas da espécie estudada não se desenvolveram em meio de cultura acrescido com polpa de banana, em função de oxidação. Baseado nos resultados, é possível concluir que a utilização de complexos nutritivos orgânicos afeta diretamente no desenvolvimento das plantas de Lycaste sp.
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3

Solís-Zanotelli, Flor Y., Juan V. Hidalgo-Contreras, and Obdulia Baltazar-Bernal. "CRECIMIENTO ex vitro DE PLÁNTULAS DE Lycaste aromatica (GRAHAM) LINDL." Revista Fitotecnia Mexicana 45, no. 3 (September 15, 2022): 341. http://dx.doi.org/10.35196/rfm.2022.3.341.

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En la micropropagación vegetal la aclimatación es una etapa crucial para promover que en las plantas ocurran cambios morfológicos y fisiológicos para su adaptación ex vitro. El objetivo del presente estudio fue evaluar la supervivencia y desarrollo de plántulas de Lycaste aromatica (Graham) Lindl. obtenidas en dos sistemas de micropropagación (medio semisólido y medio líquido en biorreactor de inmersión por gravedad, BIG). Las plantulas se establecieron en sustratos diferentes (peat moss Premier® o musgo Sphagnum chileno) y recibieron diferentes fungicidas (PHC T-22®, Captan Plus® y Ridomil Bravo® 81, y plantas que no recibieron aplicación) en un diseño experimental completamente al azar con arreglo factorial 2 × 2 × 4, resultando 16 tratamientos. Durante 28 semanas de aclimatación las plantas estuvieron en charolas de plástico transparente con los sustratos correspndientes, en invernadero con temperatura en el intervalo de 20 a 37 °C, irradiancia de 85 μmol m-2 s-1 y 70 % de humedad relativa. Los resultados mostraron que las plantas tuvieron diferencias significativas en supervivencia y número de brotes debido al sistema de micropropagación en que se obtuvieron, mientras que los sustratos influyeron en la supervivencia y clorofila total en hojas. Las plantas obtenidas en medio semisólido y establecidas en sustrato musgo Sphagnum chileno sobrevivieron en proporción del 88 al 100 %. Las plantas obtenidas en el sistema BIG fueron las más altas, con 7.2 cm. Las plantas obtenidas en medio semisólido y establecidas en peat moss Premier® formaron 1.25 brotes. Por otro lado, las plantas obtenidas en medio semisólido, establecidas en peat moss Premier® con aplicación de fungicida Captan Plus® tuvieron más clorofila total (0.43 mg g-1 de peso fresco foliar). Los fungicidas no indujeron diferencias en la supervivencia de las plantas.
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4

Alfaro Pinto, Alejandra, Craig McGill, Jayanthi Nadarajan, Fredy Archila Morales, and Andrea Clavijo McCormick. "Seed Morphology of Three Neotropical Orchid Species of the Lycaste Genus." Seeds 2, no. 3 (August 7, 2023): 331–39. http://dx.doi.org/10.3390/seeds2030025.

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Neotropical orchids are vulnerable to extinction due to overharvesting, habitat destruction and climate change. However, a basic understanding of orchid seed biology to support conservation efforts is still lacking for most species. Seed morphology is linked to plant adaptation and evolution, influencing seed dispersal, dormancy, longevity, and germination, which are valuable traits for conservation. In this study, we characterized and compared the morphological traits of seed capsules (size, shape, and colour) and seeds (seed and embryo shape and size and internal airspace volume) for three epiphytic Neotropical orchid species of the genus Lycaste native to Guatemala: L. cochleata, L. lasioglossa, and L. virginalis. The three species show qualitative similarities in seed capsule colour and appearance and in seed morphology (i.e., scobiform oval-shaped seeds and prolate-spheroid embryos). All species have small-sized seeds (length of L. cochleata: 210 µm, L. lasioglossa: 230 µm, and L. virginalis: 260 µm), with proportionally large embryos (length of L. cochleata: 140 µm, L. lasioglossa: 120 µm, and L. virginalis: 150 µm) and an internal air-space volume that occupies less than half of the seed (L. cochleata: 17%, L. lasioglossa: 42%, and L. virginalis: 30%). This finding is consistent with previous reports for other epiphytic orchid species, which typically have lower air volumes than terrestrial orchids. These differences are likely a result of evolutionary changes associated with different habits and may influence seed dispersal. We also found some significant differences in seed morphology between the studied species, but their taxonomic, biological, and ecological relevance remain to be elucidated. More comparative studies, including on other Lycaste species with different habits, are needed to explore relationships between seed morphology, taxonomy, biology, and ecology in this genus to support its conservation.
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5

DAVIES, KEVIN L., and MALGORZATA STPICZYŃSKA. "Structure and distribution of floral trichomes in Lycaste and Sudamerlycaste (Orchidaceae: Maxillariinae s.l.)." Botanical Journal of the Linnean Society 164, no. 4 (November 19, 2010): 409–21. http://dx.doi.org/10.1111/j.1095-8339.2010.01091.x.

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6

Mata-Rosas, Martín, Rosario J. Baltazar-García, Pamela Moon, Peter Hietz, and Víctor E. Luna-Monterrojo. "In vitro regeneration of Lycaste aromatica (Graham ex Hook) Lindl. (Orchidaceae) from pseudobulb sections." Plant Biotechnology Reports 4, no. 2 (February 26, 2010): 157–63. http://dx.doi.org/10.1007/s11816-010-0132-5.

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7

Tejeda-Sartorius, Olga, and María de los Ángeles Aída Téllez Velasco. "Riqueza de la familia Orchidaceae en un bosque mesófilo de montaña en Chocamán, Veracruz, México." Acta Botanica Mexicana, no. 121 (October 2, 2017): 139–49. http://dx.doi.org/10.21829/abm121.2017.1177.

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Antecedentes y Objetivos: Existen fragmentos de bosque mesófilo de montaña (BMM) en el centro de Veracruz que no se han estudiado florísticamente. El objetivo de la presente investigación fue registrar la riqueza de orquídeas en un fragmento de este tipo de bosque en Chocamán, Veracruz.Métodos: Se hizo trabajo de recolección de ejemplares, así como revisión de colecciones científicas e información bibliográfica.Resultados clave: El listado incluyó 36 especies pertenecientes a 25 géneros. Epidendrum fue el género con mayor número de especies (7), seguido por Dichaea, Lycaste, Oncidium, Prosthechea y Stelis, con dos cada uno, el resto de los géneros estuvo representado por una. Cuatro especies son endémicas de México (Epidendrum longipetalum, Gongora galeata, Oncidium incurvum y Trichocentrum pachyphyllum), y dos están protegidas por la legislación mexicana (O. incurvum y Stanhopea oculata). Epidendrum magnoliae y Epidendrum cf. radioferens son nuevos registros para la flora de Veracruz.Conclusiones: La orquideoflora aquí estudiada enfrenta problemas debido al cambio de uso de suelo y la extracción ilegal para comercio, por lo que urgen medidas para su conservación.
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8

Winkler, Manuela, Karl Hülber, Klaus Mehltreter, José García Franco, and Peter Hietz. "Herbivory in epiphytic bromeliads, orchids and ferns in a Mexican montane forest." Journal of Tropical Ecology 21, no. 2 (February 16, 2005): 147–54. http://dx.doi.org/10.1017/s0266467404002081.

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Herbivory is important in tropical woody plants, but the few data available suggest that rates of herbivory are mostly low in epiphytes. We quantified herbivory at the community level in five bromeliad, three orchid and five fern species of a Mexican humid montane forest. Leaf area loss was <1.5% in bromeliads and orchids, but much higher (7–20%) in ferns. Damage was positively correlated with leaf nitrogen content but not with leaf life span. In contrast to low leaf damage, many bromeliads were infested by curculionid larvae feeding on the meristematic tissue at the ramet base, and we estimate that this accounts for 18 and 31% of ramet and shoot death of large individuals of Tillandsia punctulata and T. deppeana, respectively. Herbivory in flowers, capsules or inflorescence stalks reduced fecundity by c. 14–18% in three of the five bromeliads and by 90% in the orchid Lycaste aromatica, but had little effect on the other species. These data show that even if the leaf area consumed is indeed low in epiphytic orchids and bromeliads, the less conspicuous damage done to reproductive organs and meristematic tissue can have a strong effect on fecundity and survival.
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9

Huang, Chang-Hai, and Jen-Ping Chung. "Efficient indirect induction of protocorm-like bodies and shoot proliferation using field-grown axillary buds of a Lycaste hybrid." Plant Cell, Tissue and Organ Culture (PCTOC) 106, no. 1 (December 1, 2010): 31–38. http://dx.doi.org/10.1007/s11240-010-9890-6.

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Mata-Rosas, Martín, and Víctor M. Salazar-Rojas. "Propagation and Establishment of Three Endangered Mexican Orchids from Protocorms." HortScience 44, no. 5 (August 2009): 1395–99. http://dx.doi.org/10.21273/hortsci.44.5.1395.

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Protocols for in vitro propagation from protocorms of Mormodes tuxtlensis Salazar, Cuitlauzina pendula La Llave & Lex., and Lycaste skinneri (Batem. Ex. Lind.) Lind., three endangered species distributed in Mexico and highly appreciated as ornamentals, were developed. The effect of two different culture media, Murashige and Skoog (MS) and modified Knudson (KCm), combined with varying concentrations of N6-benzyladenine (0, 2.2, 4.4, 8.9, and 13.3 μM) and α-naphthaleneacetic acid (0, 0.5 and 2.7 μM), were investigated. Shoot formation and development of protocorm-like bodies were observed. For all three species, cultures in MS produced more shoots per explant than those in KCm, and those shoots were longer and more robust in appearance. Maximum number of shoots for M. tuxtlensis (1.5) and C. pendula (24.3) were obtained in media supplemented with 13.3 μM and 2.2 μM N6-benzyladenine, respectively. Conversely, for L. skinneri the greatest shoot production (16.4) was achieved in medium supplemented with 2.7 μM α-naphthaleneacetic acid. Subculturing explants in MS basal medium allowed further development and rooting of the shoots as well as growth of protocorm-like bodies. The effect of different potting mixes on ex vitro survival plantlets was also investigated; pine bark:oak charcoal:pumice (3:1:1) allowed the highest survival rates in all three species.
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Dissertations / Theses on the topic "Lycaste"

1

Ryan, Angela. "A phylogenetic assessment of Lycaste and Anguloa (Orchidaceae)." Thesis, University College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252249.

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Books on the topic "Lycaste"

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Morales, Fredy L. Archila. Lycaste guatemalensis Archil [i.e. Archila]: Una nueva especie vegetal Guatemalteca. Guatemala: Instituto nacional de Bosques, 1999.

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2

Oakeley, Henry F. Lycaste Species: The Essential Guide. American Orchid Society, 1994.

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3

Oakeley, Henry F. Lycaste Species: The Essential Guide. Amer Orchid Society, 1994.

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Scail, Nisha. Iereia: Lycae Jinetes Del Apocalipsis. Independently Published, 2018.

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Book chapters on the topic "Lycaste"

1

Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Lycaste spp." In Encyclopedia of Plant Viruses and Viroids, 1421. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_545.

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Conference papers on the topic "Lycaste"

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Huang, Longshuang, Biji Mathew, Panfeng Fu, Wenli Ma, Donghong He, Wei Zhang, Tong Zhou, Sekhar P. Reddy, Joe G. N. Garcia, and Viswanathan Natarajan. "Lysocardiolipin Acyltransferase (LYCAT) Protects Bleomycin-Induced Lung Inflammation And Fibrosis In Mice." In American Thoracic Society 2012 International Conference, May 18-23, 2012 • San Francisco, California. American Thoracic Society, 2012. http://dx.doi.org/10.1164/ajrccm-conference.2012.185.1_meetingabstracts.a5407.

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Mathew, Biji, longshuang huang, Imre Noth, Shwu-Fan Ma, Naftali Kaminski, Yutong Zhao, Michael S. Wade, et al. "Lysocardiolipin Acyltransferase (lycat) Is A Novel Candidate Gene In Radiation-Induced Pulmonary Fibrosis." In American Thoracic Society 2011 International Conference, May 13-18, 2011 • Denver Colorado. American Thoracic Society, 2011. http://dx.doi.org/10.1164/ajrccm-conference.2011.183.1_meetingabstracts.a6146.

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