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Registros recuperados: 11
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Effect of crop management on epidemics of phomopsis stem canker (Diaporthe helianthi) for susceptible and tolerant sunflower cultivars Inra
Debaeke, P.; Moinard, M.J..
Phomopsis stem canker (Diaporthe helianthi) is a worldwide fungal disease which is responsible for high yield losses in sunflower crop in the main regions of production. Field data on the influence of crop management on the incidence and severity of stem canker were reported by Debaeke et al. (2003) but a more thorough study was required to analyse step-by-step the spread of the fungus within the canopyfrom spore deposition on leaves to stem injury.In a 2-year study (2000–2001), the effects of crop management (plant density, N fertilization, and irrigation) and genotypic tolerance (susceptible vs tolerant cultivars) on the epidemics of Diaporthehelianthi were monitored under conditions of reinforced inoculum. The incidence and severity of leaf and stem...
Tipo: Journal Article Palavras-chave: MODELE MECANISTE; PHOMOPSIS; TOURNESOL; MALADIE DES PLANTES; CONDITION CLIMATIQUE; CULTIVAR; AGRONOMIE SUNFLOWER; HELIANTHUS ANNUUS L.; DIAPORTHE HELIANTHI; MICROCLIMATE; N FERTILIZATION; PLANT DENSITY; EPIDEMIOLOGICAL MODEL.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201019097d32&uri=/notices/prodinra1/2010/07/
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Effets de différentes doses de croûte calcaire sur sol sodique acide : documents annexes communs aux trois expérimentations au champ pour l'année 1982 (annexe 82-1) IRD
Mazard, P.; Severian, P.; Devinck, F.; Bonzon, Bernard.
Tipo: Text Palavras-chave: AMENDEMENT DU SOL; CROUTE CALCAIRE; ETUDE EXPERIMENTALE; TEMPS DE TRAVAUX; PLUVIOMETRIE; IRRIGATION; ZEA MAYS; TOURNESOL; HARICOT; ETUDE AU CHAMP; SOL SODIQUE ACIDE.
Ano: 1982 URL: http://www.documentation.ird.fr/hor/fdi:21855
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Effets de différentes doses de croûte calcaire sur sol sodique acide : protocole des études expérimentales en serre sur maïs, tournesol et haricot sec (Annexe 82-2) IRD
Mazard, P.; Severian, P.; Devinck, F.; Bonzon, Bernard.
Tipo: Text Palavras-chave: AMENDEMENT DU SOL; CROUTE CALCAIRE; ETUDE EXPERIMENTALE; METHODOLOGIE; ZEA MAYS; TOURNESOL; HARICOT; ETUDE AU CHAMP; SOL SODIQUE ACIDE.
Ano: 1982 URL: http://www.documentation.ird.fr/hor/fdi:21856
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Effets de différentes doses de croûte calcaire sur sol sodique acide : résultats des études expérimentales conduites en 1982 IRD
Mazard, P.; Severian, P.; Devinck, F.; Bonzon, Bernard.
Tipo: Text Palavras-chave: AMENDEMENT DU SOL; CROUTE CALCAIRE; ETUDE EXPERIMENTALE; ZEA MAYS; TOURNESOL; HARICOT; ETUDE AU CHAMP; ETUDE EN SERRE; SOL SODIQUE ACIDE.
Ano: 1982 URL: http://www.documentation.ird.fr/hor/fdi:21854
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Effets de différentes doses de croûte calcaire sur sol sodique acide : résultats expérimentaux obtenus au champ et en serre sur maïs (1982-1983) (Annexe 82-3) IRD
Mazard, P.; Severian, P.; Devinck, F.; Bonzon, Bernard; Beaudou, Alain Gérard; Le Martret, Hervé; Sampoux J.P.; Maury, C..
Tipo: Text Palavras-chave: AMENDEMENT DU SOL; CROUTE CALCAIRE; ETUDE EXPERIMENTALE; ANALYSE DE VARIANCE; ZEA MAYS; TOURNESOL; HARICOT; ETUDE AU CHAMP; ETUDE EN SERRE; SOL SODIQUE ACIDE.
Ano: 1982 URL: http://www.documentation.ird.fr/hor/fdi:21857
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Effets de différentes doses de croûte calcaire sur sol sodique acide : résultats obtenus au champ et en serre sur tournesol (1982-1983) (Annexe 82-4) IRD
Mazard, P.; Severian, P.; Devinck, F.; Beaudou, Alain Gérard; Le Martret, Hervé; Bonzon, Bernard; Sampoux, J.P.; Maury C..
Tipo: Text Palavras-chave: AMENDEMENT DU SOL; CROUTE CALCAIRE; ETUDE EXPERIMENTALE; ANALYSE DE VARIANCE; TOURNESOL; ETUDE AU CHAMP; ETUDE EN SERRE; SOL SODIQUE ACIDE.
Ano: 1982 URL: http://www.documentation.ird.fr/hor/fdi:21858
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Evaluation of Inoculation Methods to Reproduce Sunflower Premature Ripening Caused by Phoma macdonaldii Inra
Seassau, C.; Debaeke, P.; Mestries, E.; Dechamp-Guillaume, G..
Three inoculation methods were evaluated for effectiveness to cause sunflower premature ripening (PR). Evaluations were onducted on a sunflower (Helianthus annuus) cultivar susceptible to PR in replicated, multilocation experiments under greenhouse conditions. Plants were inoculated with Phoma macdonaldii, either with mycelium, conidia, or infected residues at the stem base or with buried residues. Disease severity (DS) was measured by percent girdling necrosis at the stem base and percent final PR; the infection spread was assessed using the area under the disease progress curve (AUDPC). Inoculation with mycelia or 1 × 106 spores/ml caused significantly more DS and PR than lower spore concentrations or infected residues (P < 0.05). Amending soil with...
Tipo: Journal Article Palavras-chave: TOURNESOL; SUNFLOWER.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011eb95e1f0&uri=/notices/prodinra1/2011/04/
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Expérimentation intervariétale : tournesol : Centre d'expérimentation agronomique de Nessadiou : 1968 IRD
Botton, Henri.
Tipo: Text Palavras-chave: AGRICULTURE; EXPERIMENTATION; RENDEMENT; PLANTE OLEAGINEUSE; TOURNESOL.
Ano: 1969 URL: http://www.documentation.ird.fr/hor/fdi:22039
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Expérimentation intervariétale : tournesol : Nessadiou : 1968 IRD
Botton, Henri.
Tipo: Text Palavras-chave: AGRICULTURE; EXPERIMENTATION; PLANTE OLEAGINEUSE; RENDEMENT; TOURNESOL.
Ano: 1968 URL: http://www.documentation.ird.fr/hor/fdi:22038
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Plant-parasitic nematodes on field crops in South Africa : 3. Sunflower IRD
Bolton, C.; De Waele, D.; Loots, G.C..
Tipo: Text Palavras-chave: INVENTAIRE FAUNISTIQUE; NEMATODE PHYTOPARASITE; DENSITE DE POPULATION; SOL; RACINE; TOURNESOL.
Ano: 1989 URL: http://www.documentation.ird.fr/hor/fdi:27752
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QTL mapping of protein content and seed characteristics under water-stress conditions in sunflower Inra
Ebrahimi, A.; Maury, P.; Berger, M.; Calmon, C.A; Grieu, P.; Sarrafi, S.A.
Le but de cette étude était d’identifier les régions génomiques contrôlant la teneur en protéines de la graine, la masse de l’amande, la masse de la coque ainsi que la densité des graines en conditions de stress hydrique chez le tournesol (Helianthus annuus L.). Les expériences ont été réalisées à l’aide d’un dispositif en tiroirs (« split-plot » pour le régime hydrique et les lignées recombinantes fixées) avec trois blocs chacun dans deux expériences (en serre et au champ). Une variation phénotypique très significative a été observée entre les génotypes pour tous les caractères ainsi que pour l’interaction régime hydrique × génotype. Plusieurs QTL spécifiques et non-spécifiques ont été détectés pour tous les caractères dans les conditions d’alimentation...
Tipo: Journal Article Palavras-chave: TENEUR EN PROTEINE; TOURNESOL; HELIANTHUS ANNUUS L.; GENOTYPE; VARIATION PHENOTYPIQUE; DENSITE DE GRAINE  QTL; SSR MARKER; PROTEIN CONTENT; SEED DENSITY; SUNFLOWER .
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20092c9d40f9&uri=/notices/prodinra1/2011/04/
Registros recuperados: 11
Primeira ... 1 ... Última
 

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