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Registros recuperados: 11
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A new experimental device for rapid measurement of the trunk equivalent modulus of elasticity on standing trees Inra
Launay, J.; Rozenberg, P.; Pâques, L. E.; Dewitte, J.M..
Un nouveau dispositif destiné à la mesure du module d’élasticité des arbres sur pied a été mis au point. Après l’avoir testé sur des poutres en acier et en aluminium, ila été comparé à un autre appareillage construit sur le modèle de celui proposé par Koizumi. Des essais à grande échelle sur des plantations de douglas (72 arbres) et de mélèzes (292 arbres) ont montré que ce dispositif permet de mesurer rapidement les caractéristiques mécaniques d’une population d’arbres assez jeunes (moins de 20 ans) et d’effectuer efficacement une sélection en prenant en compte ce critère parmi d’autres.
Tipo: Journal Article Palavras-chave: ELASTICITE; MODULE D'ELASTICITE; ARBRE SUR PIED; RIGIDIMETRE; MESURE; PROPRIETE MECANIQUE ELASTICITY; MODULUS OF ELASTICITY; STANDING TREE; MEASUREMENT; MECHANICAL PROPERTIES; GENETICS; DOUGLAS FIR; LARCH.
Ano: 2000 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20076a959fe6&uri=/notices/prodinra1/2009/12/
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A physical map of the heterozygous grapevine 'Cabernet Sauvignon' allows mapping candidate genes for disease resistance Inra
Moroldo, M.; Paillard, S.; Marconi, R.; Legeai, F.; Canaguier, A.; Cruaud, C.; de Berardinis, V.; Guichard, C.; Brunaud, V.; Le Clainche, I.; Scalabrin, S.; Testolin, R.; di Gaspero, G.; Morgante, M.; Adam-Blondon, A.F..
Background: Whole-genome physical maps facilitate genome sequencing, sequence assembly, mapping of candidate genes, and the design of targeted genetic markers. An automated protocol was used to construct a Vitis vinifera 'Cabernet Sauvignon' physical map. The quality of the result was addressed with regard to the effect of high heterozygosity on the accuracy of contig assembly. Its usefulness for the genome-wide mapping of genes for disease resistance, which is an important trait for grapevine, was then assessed. Results: The physical map included 29,727 BAC clones assembled into 1,770 contigs, spanning 715,684 kbp, and corresponding to 1.5-fold the genome size. Map inflation was due to high heterozygosity, which caused either the separation of allelic...
Tipo: Journal Article Palavras-chave: MILDIOU; MALADIE FONGIQUE; CARTE GENETIQUE; SYSTEME IMMUNITAIRE; VIGNE; RESISTANCE AUX MALADIES; CARTOGRAPHIE; GENE CANDIDAT; GENETIQUE; SEQUENCE NUCLEOTIDIQUE; CABERNET SAUVIGNON PLANT IMMUNE SYSTEM; VITIS VINIFERA L.; NONHOST RESISTANCE; POWDERY MILDEW; GENOME SEQUENCE; LINKAGE MAP; RICE GENOME; BAC; ARABIDOPSIS; GENETICS.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011dc1cb8fa&uri=/notices/prodinra1/2011/03/
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Bee paralysis, May-sickness, etc National Institute of Agronomic Research
Butler, C.G..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; HYMENOPTERA; APIS MELLIFERA; APIDAE; APOIDEA; SOCIAL INSECT; POLLINATOR; DISEASE; PARALYSIS; SYMPTOM; GENETICS; POLLEN; NECTAR; HONEYDEW; VIRUS; FUNGI; ARSENIC; POISONING; ABEILLE DOMESTIQUE; INSECTE SOCIAL; APIS MELLIFERA; APIDAE; APOIDEA; HYMENOPTERA; POLLINISATEUR; MALADIE; PARALYSIE; SYMPTOME; GENETIQUE; POLLEN; NECTAR; MIELLAT; VIRUS; CHAMPIGNON; ARSENIC; INTOXICATION.
Ano: 1943 URL: http://hdl.handle.net/2174/301
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Beobachtungen zur unterschiedliche erblichen disposition von zuchtlinien von apis mellifica L. für die schwarzsucht National Institute of Agronomic Research
Drescher, Wilhelm.
Under honeydew flow conditions, honeybee colonies with queens of defined origin proved to be especially liable to paralysis. The tendency was irrespective to the mating drone. The observation suggest a matrocline heredity of the honeybee. The liability for the disease is considered to be a symptom of inbreeding. The worker bees' behaviour towards those bees that had died of paralysis on the combs in the hive is described.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; PURE LINE; BLACK DISEASE; HEREDITY; GENETICS; ABEILLE DOMESTIQUE; INSECTE SOCIAL; LIGNEE PURE; MALADIE NOIRE; HEREDITE; GENETIQUE.
Ano: 1964 URL: http://hdl.handle.net/2174/397
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Breeding for robustness: the role of cortisol Inra
Mormède, P.; Foury, A.; Terenina, E.; Knap, P.W..
Robustness in farm animals was defined by Knap as ‘the ability to combine a high production potential with resilience to stressors, allowing for unproblematic expression of a high production potential in a wide variety of environmental conditions’. The importance of robustness-related traits in breeding objectives is progressively increasing towards the production of animals with a high production level in a wide range of climatic conditions and production systems, together with a high level of animal welfare. Current strategies to increase robustness include selection for ‘functional traits’, such as skeletal and cardiovascular integrity, disease resistance and mortality in various stages. It is also possible to use global evaluation of sensitivity to the...
Tipo: Journal Article Palavras-chave: GENETIQUE; MARQUEUR GENETIQUE; SELECTION ASSISTEE PAR MARQUEUR; AMELIORATION GENETIQUE; ANIMAL; PRODUCTION; BIEN ETRE ANIMAL; SYSTEME DE PRODUCTION; SELECTION GENETIQUE; CORTICOSTERONE; EFFET DU STRESS; ADAPTATION; HORMONE; POLYMORPHISME GENETIQUE; VARIABILITE GENETIQUE; MODELISATION; HORMONE CORTICOSTEROIDE; CORTEX STRESS; ROBUSTNESS; CORTISOL; GENETICS; MARKER-ASSISTED SELECTION.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010d8a76487&uri=/notices/prodinra1/2010/12/
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Bridging the gap between ecophysiological and genetic knowledge to assess the adaptive potential of European beech Inra
Kramer, K.; Buiteveld, J.; Forstreuter, M.; Geburek, T.; Leonardi, S.; Menozzi, P.; Povillon, F.; Schelhaas, M.J.; Teissier du Cros, E.; Vendramin, G.G.; van der Werf, D.C..
In this study we aimed to combine knowledge of the ecophysiology and genetics of European beech to assess the potential of this species to adapt to environmental change. Therefore, we performed field and experimental studies on the genetic and ecophysiological functioning of beech. This information was integrated through a coupled genetic–ecophysiological model for individual trees that was parameterized with information derived from our own studies or from the literature. Using the model, we evaluated the adaptive response of beech stands in two ways: firstly, through sensitivity analyses (of initial genetic diversity, pollen dispersal distance, heritability of selected phenotypic traits, and forest management, representing disturbances) and secondly,...
Tipo: Journal Article Palavras-chave: ADAPTIVE POTENTIAL; ECOPHYSIOLOGY; GENETICS; FOREST MANAGEMENT; FORGEM; GENE FLOW; MODELISATION; CLIMATE CHANGE; ECOLOGICAL DIVERSITY; POLLEN DISPERSAL.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008e670cd7c&uri=/notices/prodinra1/2008/08/
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Control of puberty in farmed fish Inra
Taranger, G.L.; Carillo, M.; Schultz, R.W.; Fontaine, P.; Zanuy, S.; Felip, A.; Weltzien, F.A.; Dufour, S.; Karlsen, O.; Norberg, B.; Andersson, E.; Hansen, T..
Puberty comprises the transition from an immature juvenile to a mature adult state of the reproductive system, i.e. the individual becomes capable of reproducing sexually for the first time, which implies functional competence of the brain–pituitary–gonad (BPG) axis. Early puberty is a major problem in many farmed fish species due to negative effects on growth performance, flesh composition, external appearance, behaviour, health, welfare and survival, as well as possible genetic impact on wild populations. Late puberty can also be a problem for broodstock management in some species, while some species completely fail to enter puberty under farming conditions. Age and size at puberty varies between and within species and strains, and are modulated by...
Tipo: Journal Article Palavras-chave: PUBERTY CONTROL; FISH FARMING; BRAIN-PITUITARY-GONAD; ENVIRONMENTAL CONDITIONS; GENETICS; GROWTH; ADIPOSITY; STERILITY; TRIPLOIDS.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010efc4ec32&uri=/notices/prodinra1/2010/06/
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Genetics of resistance to powdery mildew race 2 in muskmelon National Institute of Agronomic Research
Bohn, G.W.; Whitaker, Thomas W..
The cv. PMR45 and PMR450 of muskmelon (Cucumis melo L.) have the dominant gene Pm1 for resistance to cucurbit powdery mildew race 1, but they are susceptible to race 2. F1 hybrids from crosses of 8 race 2-resistant parents with PMR 45 were intermediate-resistant, but they resembled the resistant, rather than the susceptible, parents. Segregation in F2 and back-cross families indicated a partly dominant gene for resistance, Pm². Segregation in F2 progenies of family 3 and progenies from back-crosses to P3, the most resistant parent, indicated that 2 modifiers, in addition to Pm², differentiated extreme resistance. The modifiers were epistatic to Pm², but hypostatic to pm².
Tipo: Journal Article-postprint Palavras-chave: MUSKMELON; CUCUMIS MELO; POWDERY MILDEW; FUNGUS; RESISTANCE; GENETICS; MELON; CUCUMIS MELO; OIDIUM; CHAMPIGNON PHYTOPATHOGENE; RESISTANCE; GENETIQUE.
Ano: 1964 URL: http://hdl.handle.net/2174/477
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Oviposition rates and yield in Apis mellifera L. National Institute of Agronomic Research
Cale, Gladstone Hume.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; OVIPOSITION; HYBRIDE; HETEROSIS; HONEY; YIELD; HIVE PRODUCT; GENETICS; ABEILLE DOMESTIQUE; INSECTE SOCIAL; OVIPOSITION; HYBRIDE; HETEROSIS; MIEL; RENDEMENT; PRODUIT DU RUCHER; GENETIQUE.
Ano: 1956 URL: http://hdl.handle.net/2174/463
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Populus nigra as keystone species able to cope with the ongoing climate change Inra
Villar, M.; Chamaillard, S.; Barbaroux, C.; Bastien, C.; Brignolas, F.; Faivre-Rampant, P.; Fichot, R.; Forestier, O.; Jorge, V.; Rodrigues, S..
Populus nigra L. is one important species of the european alluvial forests, that are protected under Habitats directive 92/43/EEC in Europe. This species is often regarded as good indicator of geomorphological and biological quality of this ecosytem and is an active support of riparian biodiversity. This species is threatened by anthropogenic disturbances and gene introgression, justifying a french and european (EUFORGEN) programme on in situ and ex situ conservation of its genetic resources.In addition, riparian forest ecosystem and trees will face global and local climate modifications this century. Populus nigra, that establishes naturally within or along the active channel and that is strictly dependent of the morphodynamics of the river, will be...
Tipo: Conference Paper Palavras-chave: GENETICS; CLIMATE CHANGE.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20104e36fdd8&uri=/notices/prodinra1/2011/02/
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Unique genes in plants: specificities and conserved features throughout evolution Inra
Armisén, D.; Lecharny, A.; Aubourg, S..
Background: Plant genomes contain a high proportion of duplicated genes as a result of numerous whole, segmental and local duplications. These duplications lead up to the formation of gene families, which are the usual material for many evolutionary studies. However, all characterized genomes include single-copy (unique) genes that have not received much attention. Unlike gene duplication, gene loss is not an unspecific mechanism but is rather influenced by a functional selection. In this context, we have established and used stringent criteria in order to identify suitable sets of unique genes present in plant proteomes. Comparisons of unique genes in the green phylum were used to characterize the gene and protein features exhibited by both conserved and...
Tipo: Journal Article Palavras-chave: GENETIQUE; HEREDITE; MONOCOTYLEDONE; PLANTE; ANGIOSPERME; DICOTYLEDONE; EVOLUTION MOLECULAIRE; BIOLOGIE DE L'EVOLUTION; CHAMPIGNON; EUCARYOTE; VERTEBRE; EXPRESSION DES GENES; TRANSCRIPTION; GENE HOMOLOGUE; SELECTION; ORYZA SATIVA; PROTEINE; TAILLE; PROMOTEUR; INTRON EVOLUTIONARY BIOLOGY; GENETICS; HEREDITY; ARABIDOPSIS-THALIANA PROTEOME; MONOCOT-DICOT DIVERGENCE; OPEN READING FRAMES; GENOME DUPLICATION; SACCHAROMYCES-CEREVISIAE; HEMIASCOMYCETOUS YEASTS; VERTEBRATE EVOLUTION; MOLECULAR EVOLUTION; TRANSCRIPTOME DATA; BINDING SITES.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010bf4c2544&uri=/notices/prodinra1/2011/01/
Registros recuperados: 11
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