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Registros recuperados: 23
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A comparative field study of growth, survival and reproduction of Crassostrea gigas, C-angulata and their hybrids ArchiMer
Soletchnik, Patrick; Huvet, Arnaud; Le Moine, Olivier; Razet, Daniel; Geairon, Philippe; Faury, Nicole; Goulletquer, Philippe; Boudry, Pierre.
This paper reports a comparative study of two cupped oysters, Crassostrea gigas and C angulata, and their hybrids reared in the Marennes-Oleron Sound (France) under usual farming conditions. The relative proficiency of these species was characterized in terms of growth, survival and reproduction, three major concerns for oyster farming. Four populations of each taxon were sampled (C gigas: Japan and France; C angulata: Taiwan and Spain) and used as progenitors to produce six different progenies under common hatchery and nursery conditions (transfer of 5 to 6 g of seed oysters at sea and rearing in bags for 2 years). Mortality profiles differed greatly among the progenies. The C angulata progeny of Taiwanese origin gave the poorest results, with 100%...
Tipo: Text Palavras-chave: Atlantic coast; Crassostrea gigas; Phenotypes; Hybrids; Oyster fanning.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/2002/publication-560.pdf
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Assessment of opportunities to map pearl millet tolerance to salinity during germination and early seedling growth Open Agri
Mukhopadhyay, R..
Palavras-chave: Millets; Tolerance; Genotypes; Phenotypes; Genetic markers; Genomes; Heritability; Soil salinization; Feed crops; Humus.
Ano: 2005 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3215
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Caractérisation et variation phénotypique et biologique des deux sexes du sandre "Sander lucioperca" (l., 1758) (teleosteen, percidae) dans la retenue de barrage de Nebhana (Tunisie Centrale). OceanDocs
Turki, O.; M'Hetli, M.; Chriki, A.; Kraiem, M.M..
Dans le but de caractériser phénotypiquement et biologiquement la population de sandre (Sander lucioperca (L, 1758)), et de détecter une éventuelle variabilité entre les sexes, une étude des variables méristiques et morphométriques ainsi que la croissance, a concerné 133 mâles et 166 femelles issus de la retenue de barrage de Nebhana. Le choix des variables méristiques et morphométriques a été décelé à partir de travaux bibliographiques montrant un taux important de variabilité chez les poissons marins et d'eau douce. Ainsi 9 caractères méristiques et 23 variables morphométriques ont été retenus. Les résultats ont montré une invariance des caractères méristiques entre les mâles et les femelles. Quant aux rapports morphométriques, les mâles diffèrent des...
Tipo: Journal Contribution Palavras-chave: Animal morphology; Biological data; Cell differentiation; Comparative studies; Freshwater fish; Growth; Meristic counts; Morphometry; Phenotypes; Phenotypic variations; Population structure; Water reservoirs; Sex; Sex characters; Marine fisheries; Pike perch.
Ano: 2009 URL: http://hdl.handle.net/1834/4748
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Caracterização agronômica de acessos em três espécies de amaranto no bioma cerrado. Infoteca-e
SPEHAR, C. R.; TEIXEIRA, D. L..
RESUMO: O objetivo deste trabalho foi caracterizar e avaliar 48 acessos de três espécies de amaranto (Amaranthus caudatus L., A . cruentus L. e A . hypochondriacus L.) para cultivo na entressafra em áreas de Cerrado do Brasil Central. Realizou-se seleção preliminar para sete descritores, em casa de vegetação. Os genótipos promissores foram selecionados para teste no campo, em delineamento experimental de blocos ao acaso com três repetições. O material utilizado foi o que apresentou características agronômicas desejáveis, tais como sementes claras, ausência de espinhos, crescimento e inflorescência eretos. Os ensaios foram realizados em Planaltina, DF, na entressafra, com irrigação, por dois anos. Em geral, os acessos florescem 45 dias após a emergência, e...
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) Palavras-chave: Amaranto; Adaptação; Zero tillage; Phenotypes; Adaptation; Agronomic characters.; Amaranthus Cruentus; Características Agronômicas; Cerrado; Fenótipo; Plantio Direto.; Amaranthus caudatus; Amaranthus hypochondriacus..
Ano: 2004 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/569095
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Drought tolerance phenotyping in crops under contrasting target environments: procedures and practices. Infoteca-e
GOMIDE, R. L.; DURAES, F. O. M.; GUIMARÃES, C. M.; ANDRADE, C. de L. T.; ALBUQUERQUE, P. E. P.; BASTOS, E. A.; VIANA, J. H. M.; STONE, L. F.; MORAIS, O. P.; DEL PELOSO, M. J.; MAGALHAES, P. C.; MORGADO, L. B.; OLIVEIRA, A. C..
Introduction. Comparing target environment characteristics for drought tolerance phenotyping. Site selection criteria. Soil characteristics for establishment of a specific site area. Main steps for a specific site selection and establishment in the field. A specific site selection and establishment case study: Sete Lagoas (Minas Gerais), Janaúba (Minas Gerais) and Teresina (Piauí), Brazil. Procedures for monitoring and controlling water stress for drought tolerance phenotyping. Irrigation scheme selection. Conventional sprinkler system. Localised irrigation system. Linear moving system. Field calibration procedures for water application and distribution. Container setupe for conventional sprinkler and linear moving irrigation systems. Calculation of the...
Tipo: Capítulo em livro técnico (INFOTECA-E) Palavras-chave: Phenotypes; Fenótipo; Solo; Leguminosa; Seca.
Ano: 2011 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/991639
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Field Screening for Drought Tolerance in Crop Plants with Emphasis on Rice Open Agri
Palavras-chave: Crops; Weather hazards; Phenotypes; Tolerance; Drought stress; Genotypes; Breeds (animals); Pigeonpeas; Heritability.
Ano: 2002 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3716
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Genetic Stock Puckered-Leaf Groundnut Mutant ICGL 6 Open Agri
Palavras-chave: Phenotypes; Genotypes; Segregation; Mutants; Genes; Groundnuts; Marketing margins; Plant habit; Tropical zones; Crossing over.
Ano: 1992 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3834
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Groundnut Elite Germplasm I C G V - S M 83708 Open Agri
Palavras-chave: Phenotypes; Viruses; Breeds (animals); Germplasm; Humus; Groundnuts; Hides and skins; Research methods; Yields; Confectionery.
Ano: 1994 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3856
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Groundnut Elite Germplasm ICGV-SM 83005 Open Agri
Palavras-chave: Phenotypes; Unsaturated fatty acids; Breeds (animals); Groundnuts; Germplasm; Fungi; Yields; Research methods; Location; Tropical zones.
Ano: 1997 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3881
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Growth and meat quality of three free-range chickens and commercial broiler under the same breeding conditions Animal Sciences
Zidane, Azdinia; Ababou, Adda; Metlef, Sarra; Niar, Abdellatif; Bouderoua, Kaddour.
Commercial breed has taken over the Algerian poultry production market which participated in the weakening of the village poultry farming, highly dominant prior to the 1980s. Fortunately, the dietary preferences of consumers, strongly participated in the preservation of the local animal breed diversity. In this context, the aim of this work was to study the growth performances and meat quality of 3 local chicken phenotypes versus commercial broiler chicken in the same breeding conditions in the region of Chlef in Algeria. A week after hatching, 4 randomly chosen samples of 30 chicks from each phenotype normal plumage free-range chicken (NPFRC), crested free-range chicken (CFRC), feathered tarsus free-range chicken (FTFRC) and commercial broiler chicken...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Body weight; Fat; Phenotypes; Protein; Chlef..
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/39663
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Host plant resistance to insects in sorghum: present status and need for future research Open Agri
Sharma, H.C..
Palavras-chave: Genes; Sorghum; Transgenics; Cytoplasm; Transgenic plants; Hybrids; Esters; Gene expression; Biochemical compounds; Phenotypes.
Ano: 2005 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3250
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Impact of spat shell colour selection in hatchery-produced Pinctada margaritifera on cultured pearl colour ArchiMer
Ky, Chin-long; Sham Koua, Manaarii; Le Moullac, Gilles.
Beaded cultured pearl farming is a lengthy aquaculture process, particularly when the pearl oysters are produced through a hatchery propagation system, and includes the key steps of artificial breeding, larval and spat rearing before graft operations can take place. Within its genus, Pinctada margaritifera has the ability to produce the widest range of pearl colours, thanks to the donor colour polymorphism of the inner shell, which is mainly responsible for colour transmission. As hatchery spat production in P. margaritifera leads to several colour phenotypes (at 3 months old), the aim of this study was to determine whether a relation exists between the colour of the donors as spat and the final pearl colour. In the experiment, which took place over a...
Tipo: Text Palavras-chave: Pinctada margaritifera; Phenotypes; Spat shell colour; Earlier selection; Pearl colour.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00418/52969/53895.pdf
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Improving Pearl Millet Drought Tolerance Open Agri
Yadav,R.s.
Palavras-chave: Phenotypes; Self pollination; Weather hazards; Drought stress; Millets; Locus; Inbred lines; Tolerance; Hybrids; Breeds (animals).
Ano: 2005 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3218
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Laboratory Protocols 2008: Maize Nutrition Quality and Plant Tissue Analysis Laboratory AgEcon
Gallicia, L.; Nurit, E.; Rosales, A.; Palacios-Rojas, N..
Tipo: Report Palavras-chave: Zea mays; Maize; Wheats; Triticum; Transgenic plants; Genetic engineering; Gene transfer; Genetic transformation; DNA hybridization; Phenotypes; Selection; Tissue culture; In vitro culture; Biolistics; Research projects; Methods; Molecular cloning; PCR; Crop Production/Industries; F02; F30.
Ano: 2009 URL: http://purl.umn.edu/56177
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Mechanisms of adaptation to climate variability in West African pearl millet landraces – a preliminary assessment Open Agri
Haussmann, B.I.G..
Palavras-chave: Photoperiodicity; Planting date; Millets; Phenotypes; Drought stress; Genotypes; Genetic variation; Statistical methods; Replication; Breeds (animals).
Ano: 2007 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3312
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Multiplication and preliminary characterization of west and central African pearl millet landraces Open Agri
Haussmann, B.I.G..
Palavras-chave: Millets; Inbreeding; Phenotypes; Gene banks; Self pollination; Carrots; Agronomy; Grain; Latitude; Regeneration.
Ano: 2006 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3203
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Pearl millet germplasm at ICRISAT genebank – status and impact Open Agri
Upadhyaya, H.D.,( Hari D. Upadhyaya ).
Palavras-chave: Germplasm; Millets; Gene banks; Genetic resources; Agronomic characters; Genetics; Seed viability; Genes; Early maturation; Phenotypes.
Ano: 2007 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3299
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Phenotypic and genotypic characterization of Streptococcus agalactiae in pregnant women: first study in a province of Argentina BJM
Oviedo,P; Pegels,E; Laczeski,M; Quiroga,M; Vergara,M.
Group B Streptococcus (GBS) is the leading cause of neonatal infections. Our purpose was to characterize GBS colonization in pregnant women, current serotypes, resistance phenotypes and genes associated with virulence. In Misiones, Argentina, there are no previous data on this topic. Vaginal-rectal swabs from 3125 pregnant women were studied between 2004 and 2010. GBS strains were identified by conventional and serological methods (Phadebact Strep B Test, ETC International, Bactus AB, Sweden). Serotypes were detected using Strep-B Latex (Statens Serum Institut, Denmark). Resistance phenotypes were determined by the double-disk test. Genes were studied by PCR. Maternal colonization was 9.38%. Resistance to erythromycin was 11.6%, and the constitutive...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Colonization; Serotypes; Phenotypes; Virulence genes.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822013000100036
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Plasticity in the shape and growth pattern of asteriscus otolith of black prochilodus Prochilodus nigricans (Teleostei: Characiformes: Prochilodontidae) freshwater Neotropical migratory fish Neotropical Ichthyology
Costa,Rosa Maria Rodrigues da; Fabré,Nidia Noemí; Amadio,Sidinéia Aparecida; Tuset,Víctor Manuel.
ABSTRACT Using morphometric measurements and wavelets functions, the asterisci otoliths of curimatã, Prochilodus nigricans were analysed to identify the variation in shape and growth increment of individuals from Solimões, Japurá and Negro rivers of the Amazon basin, Brazil. The morphometric and morphological analyses did not reveal evidences of population segregation among rivers, but variations were found in the estimation of otolith growth increment. Also, the otolith shape showed a high variability between individuals, identifying four morphotypes. Morphotype 1 shows a more oval shape with a posterior zone clearly rounded; Morphotype 2 shows the posterior zone rounded, but the anterior end is more elongated; Morphotype 3 shows a completely different...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazon Basin; Growth increments; Morphotypes; Otolith shape; Phenotypes.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252018000400215
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Prospects of breeding for micronutrients and β-carotene-dense sorghums Open Agri
Reddy, B.V.S.,( Belum V. S. Reddy ).
Palavras-chave: Carotenes; Grain; Organic acid salts; Agronomic characters; Heritability; Germplasm; Phenotypes; Genetic variation; Sorghum; Zinc.
Ano: 2005 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3256
Registros recuperados: 23
Primeira ... 12 ... Última
 

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