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Registros recuperados: 7
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Armington elasticities and tariff regime: an application to European Union rice imports Inra
Huchet-Bourdon, M.; Pishbahar, E.; INRA, Institut National de la Recherche Agronomique (FRA).
La plupart des sources d’importation européennes de riz proviennent des pays en développement (PED) et des pays les moins avancés (PMA). L'Union Européen (UE) s’est d'ailleurs engagée à permettre un libre accès aux importations de riz provenant des PMA à partir de septembre 2009. Le but de cet article est de répondre à deux questions. La prise en compte des droits de douane à l'importation dans la spécification du modèle mène-t-elle à différentes élasticités estimées ? Quand un droit de douane discriminant est introduit, qu’en est-il de la part de marché des grands exportateurs de riz vers l'UE, particulièrement en ce qui concerne celle des pays pauvres ? En conséquence, nous présentons le modèle d'Armington, dérivé d'une fonction d’utilité à élasticité de...
Tipo: Book Palavras-chave: ELASTICITE D'ARMINGTON; DISCRIMINATION TARIFAIRE; NON HOMOTHETIQUE; FONCTION D'UTILITE ARMINGTON ELASTICITY; TARIFF DISCRIMINATION; NON HOMOTHETIC; UTILITY FUNCTION; RICE.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20106109e6bb&uri=/notices/prodinra1/2011/06/
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Cultivo da soca de arroz irrigado: uma alternativa para o aumento da rentabilidade da rizicultura do baixo São Francisco. Infoteca-e
SANTOS, A. L. C. dos; BARROS, L. C. G.; LIMA, A. P. de.
bitstream/item/82087/1/CPATC-COM.-TEC.-32-99.pdf
Tipo: Comunicado Técnico (INFOTECA-E) Palavras-chave: RIZICULTURA.; ARROZ; Soca.; RICE.
Ano: 1999 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/956681
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Germination de la semence d’Oryza sativa L. variété « Cigalon » en stricte anoxie ; généralisation aux Oryza cultivés de ce caractère adaptatif Inra
Leblanc, J.M.; Rancillac, M.; Pradet, A..
Une analyse du phénomène de croissance des semences de riz en conditions d’absence d’oxygène extrêmement strictes (0,5 v.p.m.) a été entreprise. Dans ces conditions, la croissance du coléoptile est encore observée et on a pu noter une croissance faible du mésocotyle et de la première feuille ainsi qu’une initiation des méristèmes des racines adventices. La croissance du coléoptile de riz en anoxie a été observée chez 65 cultivars d’Oryza sariva L., 2 écotypes d’Oryza breviligulata Chev. & Roehr. et 5 d’Oryza glaberrima Steud. Cette propriété semble associée avec la forte activité métabolique du riz en anoxie.
Tipo: Journal Article Palavras-chave: ANOXIE; CHARGE ENERGETIQUE; CROISSANCE; COLEOPTILE; MERISTEME RACINAIRE ANOXIA; ENERGY CHARGE; GROWTH; ROOT MERISTEM; RICE.
Ano: 1983 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008646f66e3&uri=/notices/prodinra1/2008/07/
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Mapping QTLs for grain dormancy on wheat chromosome 3A and the group 4 chromosomes, and their combined effect OAK
Mori, M.; Uchino, N.; Chono, M.; Chono, K.; Miura, Hideho.
A major QTL for grain dormancy, QPhs.ocs-3A.1, derived from the highly dormant wheat Zenkoujikomugi (Zen), has been identified in a study made under a controlled environment. Further investigations were needed to dissect the precise position and expression of QPhs.ocs-3A.1 under different field conditions because the ability to detect genetic loci for grain dormancy traits is compromised by environmental effects and genotype/environment interactions. Group 4 chromosomes have also been shown to be possible sites of QTLs for grain dormancy. The objectives of this study were (1) to locate additional molecular markers in the QPhs.ocs-3A.1 region, (2) to identify QTLs on the group 4 chromosomes and (3) to elucidate their combined effects. We examined the...
Palavras-chave: QUANTITATIVE TRAIT LOCI; CONTROLLING SEED DORMANCY; BREAD-WHEAT; MAJOR GENES; RICE; MICROSATELLITE; IDENTIFICATION; GROUP-4; WEIGHT; L.
Ano: 2005 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/68
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Potential candidate genes for improving Rice disease resistance Inra
Delteil, A.; Zhang, J.; Lessard, P.; Morel, J.B..
iseases caused by fungal and bacterial pathogens like Magnaporthe oryzae and Xanthomonas oryzae pv. oryzae are responsible for considerable yield loss. Up to now, in rice, the modification of the expression of more than 60 genes from diverse origins has shown beneficial effects with respect to disease resistance. In this paper, we review this large set of data to identify the best genes and strategies to achieve disease resistance by transgenic approaches. Altered expression of genes involved in signal transduction and transcription may lead to many unwanted side effects, like lesion mimic phenotypes. Moreover, modification of resistance to abiotic stress has been neglected and should be carefully examined in the future. Genes like resistance genes and...
Tipo: Journal Article Palavras-chave: RICE; PLANT TRANSGENIC; DISEASE RESISTANCE.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201028d7f758&uri=/notices/prodinra1/2010/10/
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Transgenic rice as a novel production system for Melanocarpus and Pycnoporus laccases Inra
de Wilde, C.; Uzan, E.; Zhou, Z.; Kruus, K.; Andberg, M.; Buchert, J.; Record, E.; Asther, M.; Lomascolo, A..
Laccases have numerous biotechnological applications, among them food processing. The widespread use of laccases has increased the demand for an inexpensive and safe source of recombinant enzyme. We explored the use of a rice-based system for the production of two fungal laccases derived from the ascomycete Melanocarpus albomyces and the basidiomycete Pycnoporus cinnabarinus. High-expression levels of active recombinant laccases were achieved by targeting expression to the endosperm of rice seeds. The laccase cDNAs were fused to a plant-derived signal sequence for targeting to the secretory pathway, and placed under the control of a constitutive seed-specific promoter fused to an intron for enhanced expression. This construct enabled the recovery of on...
Tipo: Journal Article Palavras-chave: PLANTE TRANSGENIQUE; BIOTECHNOLOGIE INDUSTRIELLE; PROPRIETE BIOCHIMIQUE; ASCOMYCETE; BASIDIOMYCETE LACCASE; RECOMBINANT FUNGAL ENZYME; RICE; HETEROLOGOUS PROTEIN; TRANSGENIC PLANT; BIOCHEMICAL PROPERTIES.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008c973f6c6&uri=/notices/prodinra1/2008/10/
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WAKomics: large-scale functional analysis of the WAK genes involved in the rice/Magnaporthe oryzae interaction Inra
Delteil, A.; Blein, L.; Michel, C.; Morel, J.B..
Wall-associated protein kinases (WAKs) are a new group of receptor-like kinases recentlyidentified in Arabidopsis and in rice. A gene responsible for the quantitative resistance toFusarium oxysporum in Arabidopsis, RFO1, encodes a WAK-like protein (WAKL22) (Dienerand Ausubel, 2005). This finding suggests an important role for some WAKs in diseaseresistance. The first WAK in rice was recently identified as OsWAK1. The induction andoverexpression of this gene in rice led to enhanced resistance to rice blast (Li et al., 2008).Furthermore, WAKs also seem to interact with a wide range of proteins involved in cell-wallcomposition, phosphorylation or transcription processes (Li et al., 2008, Rohila et al., 2006,Yang et al., 2003). Altogether, the evidences...
Tipo: Conference Paper Palavras-chave: MAGNAPORTHE ORYZAE; RICE; WALL-ASSOCIATED KINASE; BASAL RESISTANCE.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201038218457&uri=/notices/prodinra1/2010/08/
Registros recuperados: 7
Primeira ... 1 ... Última
 

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