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Registros recuperados: 7
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Chloroplast and mitochondrial DNA variation as indicator of phylogenetic relationships in the genus Coffea L. IRD
Berthou, François; Mathieu, C.; Vedey, F..
Tipo: Text Palavras-chave: BOTANIQUE; CHIMIOTAXONOMIE; ADN; MITOCHONDRIE; PLASTE; ETUDE EXPERIMENTALE; PHYLOGENIE; COFFEA.
Ano: 1983 URL: http://www.documentation.ird.fr/hor/fdi:04205
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Complementary studies of mitochondrial DNA of male fertile plants obtained by mutagenic treatment of a cytoplasmic male sterile line of maize Inra
Vuillaume, E.; Mathieu, C.; Vedel, F..
Des mutants mâle-fertiles cytoplasmiques de maïs ont été obtenus par traitement mutagène de la lignée mâlestérile cytoplasmique Texas : F7 T. L’étude des DNA mitochondriaux de ces mutants fait apparaître : 1) que les mtDNA natifs et digérés par les enzymes de restriction de ces mutants sont identiques entre eux et au mtDNA de la lignée F7 sur cytoplasme Normal ; 2) que ces mtDNA diffèrent du mtDNA de la lignée F71 sur cytoplasme Normal. Cette lignée a servi à polliniser les plantes issues des graines traitées de F7 T. Le traitement mutagène n’a pas permis d’induire de variabilité cytoplasmique dans les types A. Les mutants semblent tous correspondre à la même réversion du cytoplasme Texas vers le cytoplasme Normal. Cette réversion ne peut...
Tipo: Journal Article Palavras-chave: HEREDITE CYTOPLASMIQUE; REPRODUCTION; ELECTROPHORESE GEL; STERILITE MALE CYTOPLASMIQUE; ADN MITOCHONDRIAL; GRAMINEAE; CYTOPLASME T; HELMINTHOSPORIUM MAYDIS; ENZYME DE RESTRICTION.
Ano: 1986 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB8813111006604&uri=/notices/prodinra1/2009/02/
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Evolution morphologique de sols irrigués en région méditerranéenne semi-aride : l'exemple de la Basse-Moulouya (Maroc) IRD
Mathieu, C.; Ruellan, Alain.
Cet article présente une étude comparative de l'évolution morphologique et structurale de deux sols calcimorphiques cultivés dont un a subi une irrigation intensive. Les évolutions observées sont néfastes pour la production agricole ; toutefois elles peuvent être positivement orientées par l'utilisation d'autres méthodes culturales et d'irrigation
Tipo: Text Palavras-chave: EVOLUTION DES SOLS SOUS CULTURE; PROFIL CULTURAL; MORPHOLOGIE; STRUCTURE DU SOL; POROSITE; IRRIGATION; SOL; SOL CALCIMORPHE.
Ano: 1987 URL: http://www.documentation.ird.fr/hor/fdi:24802
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Foreign direct investment: lessons from panel data Inra
Blanchard, P.; Gaigne, C.; Mathieu, C..
Foreign direct investment (FDI) has spawned a significant amount of academic research and the literature continues to grow at an impressive rate. The empirical literature has expanded at a rapid pace in many different directions. However, regardless of the question studied, the nature of the problem itself generally requires using panel data estimation methods because flows (or stocks) of FDI between pairs of countries (or between country-industry pairs) are analyzed for one or several time periods. The purpose of this paper is to provide a selective survey of the empirical literature on the determinants of FDI based on panel data.
Tipo: Book Chapter Palavras-chave: FDI; PANEL DATA; EXPORT; TRADE POLICY; EXCHANGE RATE.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20083d2ccff8&uri=/notices/prodinra1/2009/01/
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Foreign direct investment : lessons from panel data Inra
Blanchard, P.; Gaigne, C.; Mathieu, C.; INRA, Institut National de la Recherche Agronomique (FRA).
Foreign direct investment (FDI) has spawned a significant amount of academic research and the literature continues to grow at an impressive rate. The empirical literature has expanded at a rapid pace in many different directions. However, regardless of the question studied, the nature of the problem itself generally requires using panel data estimation methods because flows (or stocks) of FDI between pairs of countries (or between country-industry pairs) are analyzed for one or several time periods. The purpose of this paper is to provide a selective survey of the empirical literature on the determinants of FDI based on panel data.
Tipo: Book Palavras-chave: FDI; PANEL DATA; EXPORT; TRADE POLICY; EXCHANGE RATE.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011db0593e4&uri=/notices/prodinra1/2011/06/
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Recherche d’une variabilité cytoplasmique chez des lignées haploides doublées androgénétiques de triticale Inra
Charmet, G.; Vedel, F.; Bernard, M.; Bernard, S.; Mathieu, C..
On a recherché si d’éventuelles modifications cytoplasmiques pouvaient être responsables de la baisse de vigueur végétative et d’un faible rendement en grain de certaines lignées haploïdes doublées obtenues par androgenèse in vitro chez le triticale hexaploïde. L’étude d’un croisement diallèle complet de taille 9 x 9 réalisé entre des lignées androgénétiques et des lignées témoins sur cytoplasme de Triticum aestivum ou de T. timopheevi montre que : - Les effets maternels ne sont pas significatifs pour 9 des 16 caractères quantitatifs analysés selon le modèle de GRIFFING. - Lorsque des effets maternels existent, on n’observe pas de comportement particulier des lignées androgénétiques par rapport aux lignées témoins, sauf pour le taux de régénération...
Tipo: Journal Article Palavras-chave: VARIABILITE CYTOPLASMIQUE; LIGNEE HAPLOIDE DOUBLEE; ANDROGENESE; CROISSEMENT DIALLELE; ADN MITOCHONDRIAL; CULTURE IN VITRO; VIGUEUR; CYTOPLASME; ELECTROPHORESE; TECHNIQUE ANALYTIQUE; TRITICUM TIMOPHEEVI.
Ano: 1985 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2009946c704c&uri=/notices/prodinra1/2009/03/
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The dynamics of French food industries: productivity, sunk costs and firm exit Inra
Blanchard, P.; Huiban, J.P.; Mathieu, C.; INRA, Institut National de la Recherche Agronomique (FRA).
A semi-parametric approach is used to estimate the unobserved individual productivity of firms. This productivity is then introduced in a model of firm exit. We also introduce the firm’s level of sunk costs as an expected barrier to exit. Byusing an unbalanced panel of 4818 firms in French food industries from 1999 to 2002, we find a significantly negative relationship between the probability of exit of the firm and its individual efficiency, age and sunk costs level. At the opposite, the intensity of competition in an industry increases the propensity to exit for firms in that industry.
Tipo: Book Palavras-chave: FIRM PRODUCTIVITY; SUNK COST; EXIT; FOOD INDUSTRY.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20102f635734&uri=/notices/prodinra1/2010/11/
Registros recuperados: 7
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