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Registros recuperados: 21
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An extension of the Plant Ontology project supporting wood anatomy and development research Naturalis
Lens, F.; Cooper, L.; Gandolfo, M.A.; Groover, A.; Jaiswal, P.; Lachenbruch, B.; Spicer, R.; Staton, M.E.; Stevenson, D.W.; Walls, R.L.; Wegrzyn, J..
The Wood Ontology project will provide a structured vocabulary and database resource that will be valuable for all scientists, including the IAWA community. To maximizethe utility of the resource and analyses it empowers, it is important for researchers to adopt the use of the ontology terms in the collection and dissemination of their data. The PO website (www.plantontology.org) is the main portal for the Plant Ontology, and presents the current version.
Tipo: Article / Letter to the editor Palavras-chave: Plant Ontology; Wood anatomy and development; Plant morphology; Structured vocabulary; Database resource; 42.40.
Ano: 2012 URL: http://www.repository.naturalis.nl/record/429515
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Are sun- and shade-type anatomy required for the acclimation of Neoregelia cruenta? Anais da ABC (AABC)
REINERT,FERNANDA; LEAL-COSTA,MARCOS V.; JUNQUEIRA,NICIA E.; TAVARES,ELIANA S..
Sun and shade plants are often discriminated by a number of sun- and shade-type anatomies. Nonetheless, we propose that among tank-bromeliads, changes in rosette architecture satisfy the requirements for coping with contrasting light levels. The tank-bromeliad Neoregelia cruenta naturally colonises sub-habitats ranging from full exposure to direct sunlight, to shaded environments in sand ridge plains. We quantified anatomical and morphological traits of leaves and rosettes of N. cruenta grown under sun and shade conditions. Cells with undulated lateral walls within the water parenchyma are for the first time described for the family. Under high light, leaf blades were wider, shorter, and yellowish. The rosette diameter of sun plants was less than half that...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bromeliaceae; Crown architecture; Leaf anatomy; Plant morphology.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000200561
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Beta-glucosidase isozymes in normal and brittle-culm mutant rice (Oryza sativa L.) cultivars : comparative activities at three developmental stages, properties and their relation to cytomorphological and physicochemical characteristics of rice straw International Rice Research Institute
Villegas, Henry M..
xix, 118 l. : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Beta-glucosidase; Rice; Cultivars; Isozymes; Physicochemical properties; Plant growth; Rice straw; Plant morphology.
Ano: 1995 URL: http://hdl.handle.net/123456789/630
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Biosystematics of Oryza ridleyi Hook International Rice Research Institute
Naredo, Ma. Elizabeth Boncodin.
xiii, 98 l. : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Wild rice; Taxonomy; Plant genetics; Plant morphology.
Ano: 1997 URL: http://hdl.handle.net/123456789/578
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Caracterização dos órgãos reprodutores florais de diferentes estruturas de frutificação de macieiras no semiárido brasileiro. Infoteca-e
LOPES, P. R. C.; MATOS, R. R. S. da S; OLIVEIRA, I. V. de M.; SANTOS, J. S. dos.
A maçã é a 2ª fruta de clima temperado mais produzida no Brasil, porém a expansão para regiões subtropicais esbarra na falta de conhecimento sobre a interferência das condições climáticas no desenvolvimento da biologia floral e reprodutiva. Assim, objetivou-se avaliar os órgãos reprodutores florais de diferentes estruturas de frutificação m macieiras sob condição semiárida tropical, em Lagoa Grande-PE. O trabalho foi conduzido de julho/2015 a dezembro/2016 na Fazenda Sereníssima, em Lagoa Grande-PE. Com delineamento em blocos casualisados, com 5 repetições, em arranjo fatorial 3x3, de 3 cultivares (?Julieta?, ?Princesa? e ?Eva?) gemas de 3 diferentes estruturas (axila de brindila, terminal de brindila e de esporão). Foram avaliadas: massa fresca do...
Tipo: Capítulo em livro técnico (INFOTECA-E) Palavras-chave: Morfologia floral; Estrutura de floração; Maçã; Morfologia Vegetal; Floração; Tubo Polínico; Plant morphology.
Ano: 2019 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1120903
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Evolutionary studies on genetic variation of floral morphology in rice International Rice Research Institute
Uga, Yusaku.
iv, 109 leaves : ill. (some col.) Thesis (Ph.D.) -- University of Tsukuba
Tipo: Thesis Palavras-chave: Rice; Plant genetics; Evolution; Genetic variation; Flowers; Plant morphology.
Ano: 2003 URL: http://hdl.handle.net/123456789/399
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Genetic and morpho-physiological bases of heterosis in rice (Oryza sativa L.) International Rice Research Institute
Bashar, Md. Khairul.
xiv, 147 l. : ill. (some col.) Thesis (Ph.D.) -- Bangabandhu Sheikh Mujibur Rahman Agricultural University
Tipo: Thesis Palavras-chave: Rice; Plant genetics; Plant morphology; Plant physiology; Heterosis.
Ano: 2002 URL: http://hdl.handle.net/123456789/451
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Morpho-anatomical and physiological factors affecting spikelet filling in rice (Oryza sativa L.) International Rice Research Institute
Kim, Jae Duk.
183 l. : ill. Thesis (Ph.D.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Plant physiology; Plant morphology; Inflorescences; Filling period.
Ano: 1990 URL: http://hdl.handle.net/123456789/1027
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Morphological and physiological responses of three rice cultivars to water deficit International Rice Research Institute
Azhiri, Tahereh.
206 leaves : ill. Thesis (Ph.D.) -- University of the Philippines
Tipo: Thesis Palavras-chave: Rice; Plant morphology; Plant physiology; Water stress; Plant response; Drought tolerance; Cultivars.
Ano: 1993 URL: http://hdl.handle.net/123456789/756
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Morpho-physiological characters associated with genotype and environment interactions in sugarcane (Saccharum officinarium L.) International Rice Research Institute
Manigbas, Norvie L..
xx, 147 l. : col. ill. Thesis (Ph.D.) - University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Sugarcane; Plant morphology; Plant physiology; Genotype-environment interaction; Yields; Varieties; Saccharum officinarum.
Ano: 2002 URL: http://hdl.handle.net/123456789/432
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Morpho-physiological traits for high-yielding wet season rice in the Tropics International Rice Research Institute
Laza, Ma. Rebecca C..
iv, 151 l. : ill. Thesis (Ph.D.) -- University of Tokyo
Tipo: Thesis Palavras-chave: Rice; Plant morphology; Plant physiology; Agronomic traits; Varieties; Wet season; Tropics.
Ano: 2003 URL: http://hdl.handle.net/123456789/407
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Morpho-taxonomic studies on Oryza glaberrima Steud. and its related wild species, O. brevilligulata A. Chev. et Roehr. and O. stapfii Roschev. International Rice Research Institute
Bardenas, Eliseo A..
xxx, 26 leaves : ill. Thesis (M.S.) -- University of the Philippines
Tipo: Thesis Palavras-chave: Rice; Plant morphology; Plant taxonomy; Wild relatives; Oryza glaberrima; Oryza barthii.
Ano: 1965 URL: http://hdl.handle.net/123456789/423
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Notes on the distribution, habitats and morphology of Stylaster roseus (Pallas 1766) (Hydrozoa: Stylasterina) in the Colombian Caribbean OceanDocs
Sanchez-M., Juan A.; Navas-S., Gabriel R..
Stylaster roseus en el Caribe colombiano es un común habitante de sus arrecifes coralinos, exceptuando la región de Santa Marta y la Guajira. S. roseus es una especie críptica que tiende a ubicarse en sitios sombreados, generalmente bajo o entre ramas de coral muerto o vivo. Se le observó entre esqueletos de Acropora palmata (2-6 m), sobre las partes laterales e internas de pináculos de Millepora (0.5-3 m), bajo tejados de Montastraea annularis y Agaricia spp. (15-30 m), y sobre embarcaciones hundidas (5-20 m). Adicionalmente se encontró creciendo sobre tejido vivo de Millepora. No se encontraron diferencias en las medidas promedio de colonias de habitáis similares. La coloración más común fue tronco blanco y ramas púrpura, seguida por la púrpura uniforme....
Tipo: Journal Contribution Palavras-chave: Coral reefs; Plant morphology; Coral reefs; Plant morphology; Http://aims.fao.org/aos/agrovoc/c_1880; Http://aims.fao.org/aos/agrovoc/c_13434.
Ano: 1994 URL: http://hdl.handle.net/1834/3794
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Physio-morphological responses of upland rice to shade International Rice Research Institute
Adhikari, Niranjan Prasad.
127 leaves : ill. Thesis (M.S.) --University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Shade; Plant response; Plant physiology; Plant morphology; Highlands; Upland rice.
Ano: 1990 URL: http://hdl.handle.net/123456789/1079
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Populational Diversity on Leaf Morphology of Maté (Ilex paraguariensis A. St.-Hil., Aquifoliaceae) BABT
Coelho,Geraldo Ceni; Mariath,Jorge Ernesto de Araujo; Schenkel,Eloir Paulo.
Maté (Ilex paraguariensis A. St.-Hil.) is a native plant from southern Brazil and a raw material for beverages. To research on population variability of the species, we compared leaf morphology of three populations from Mato Grosso do Sul (MS), Paraná (PR) and Santa Catarina (SC) States. Lamina measurements included area (A), perimeter (P), length (l), maximum width (w), distance between maximum width and lamina base (dw), base angle (BÂ), biomass (m), and the indexes: relative distance of maximum width (dw/l), ratio length/width (l/w), relative perimeter (RP= P / (l + w), rectangular area index (RAI = A / (l x w)) and leaf mass/area (m/A). We verified differences among populations on A (MS<PR=SC), l (MS<PR=SC), w (MS<PR=SC), RAI (MS=PR>SC) and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ilex paraguariensis; Aquifoliaceae; Plant morphology; Leaf morphology; Population variability; Rectangular area index.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132002000100008
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Somaclonal variation in Asparagus officinalis plants regenerated by organogenesis from long-term callus cultures Genet. Mol. Biol.
Pontaroli,Ana Clara; Camadro,Elsa Lucila.
Somaclonal variation in plants regenerated by organogenesis from long-term cultured calluses of two diploid staminate genotypes of Asparagus officinalis cv. Argenteuil was characterized by plant phenotype, ploidy, meiotic behavior, pollen viability, fruit and seed set, and AFLP profiles. Phenotypic deviations from the donors were detected in foliage color, flower size, and cladode and flower morphology. Ploidy changes were observed in 37.8% of the 37 regenerants studied. Meiotic alterations in 12 out of 21 regenerants included laggards, dicentric bridges, micronuclei, restitution nuclei and polyads. Of the 408 AFLP markers screened in 43 regenerants and the donors, 2.94% showed polymorphism. High pollen viability was observed in the 22 regenerants...
Tipo: Info:eu-repo/semantics/article Palavras-chave: AFLP; Fertility; Plant morphology; Meiotic behavior; Ploidy.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572005000300015
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Study on the association between Anabaena azollae Strasburger and Azolla microphylla Kaulfuss during germination of megasporocarps International Rice Research Institute
Lin, Chang.
92 l. : ill. Thesis (Ph.D.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Azolla microphylla; Anabaena azollae; Plant morphology; Megasporogenesis; Symbiosis.
Ano: 1987 URL: http://hdl.handle.net/123456789/1304
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Tiller size/density compensation in grazed Tifton 85 bermudagrass swards PAB
Sbrissia,André Fischer; Silva,Sila Carneiro da; Matthew,Cory; Carvalho,Carlos Augusto Brandão de; Carnevalli,Roberta Aparecida; Pinto,Luiz Felipe de Moura; Fagundes,Jaílson Lara; Pedreira,Carlos Guilherme Silveira.
The objective of this study was to evaluate the occurrence of the tiller size/density compensation mechanism in Tifton 85 bermudagrass swards grazed by sheep under continuous stocking. Treatments corresponded to four sward steady state conditions (5, 10, 15, and 20 cm of sward surface height), maintained by sheep grazing. The experimental design was a complete randomized block with four replicates. Pasture responses evaluated include: tiller population density, tiller mass, leaf mass and leaf area per tiller, and herbage mass. Tiller volume, leaf area index, tiller leaf/stem ratio, and tiller leaf area/volume ratio were calculated and simple regression analyses between tiller population density and tiller mass were performed. Measurements were made in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cynodon; Leaf area index; Mass; Density; Plant morphology.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2003001200013
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Variation in root morphology of epiphytic orchids along small-scale and large-scale moisture gradients Acta Botanica
Einzmann,Helena J. R.; Schickenberg,Nina; Zotz,Gerhard.
ABSTRACT Root morphology is expected to respond to environmental conditions. Two earlier studies reported predictable changes in the structure of the velamen radicum (common in monocotyledons) along rainfall gradients, which was expected from its assumed role in plant-water-relations. The present study expanded on this idea by analysing nine root traits that can be linked to root function, including velamen structure, along two moisture gradients of different spatial scales: 1) along the vertical gradient of a lowland forest in central Panama and 2) along a strong regional rainfall gradient in western Panama. All studied traits (e.g. velamen width, number of xylem poles, lignification of the exodermis) of the 45 orchid species showed substantial...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Epiphytic orchids; Exodermis; Interspecific variation; Intraspecific variation; Lignification; Plant morphology; Velamen radicum; Water relations.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062020000100066
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Variation on morpho-physiological characters of spring wheat (Triticum aestivum L.) evaluated under normal and late planting conditions International Rice Research Institute
Bhatta, Madan Raj.
90 leaves : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Wheat; Triticum aestivum; Plant physiology; Plant breeding; Plant morphology; Sowing date.
Ano: 1992 URL: http://hdl.handle.net/123456789/907
Registros recuperados: 21
Primeira ... 12 ... Última
 

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