[ Etude de la résistance de douze (12) nouveaux génotypes de riz pour le contrôle de Magnaporthe oryzae B.C. Couch., pathogène de la pyriculariose du riz au Burkina Faso ]
Volume 40, Issue 4, October 2023, Pages 1223–1229
Souleymane Ouattara1, KASSANKOGNO Abalo Itolou2, SÉRÉMÉ Abdoulaye3, ZOUGRANA Sylvain4, and KOÏTA Kadidia5
1 Université Felix HOUPHOUET BOIGNY, Unité de formation des Sciences de la Terre et des Ressources Minières, Laboratoire des Sciences du sol, de l’eau et des Géomatériaux, 08 BP 2600 Abidjan 08, Côte d’Ivoire
2 Institut de l’Environnement et de Recherches Agricoles (INERA), 01 BP 910 Bobo-Dioulasso 01, Burkina Faso
3 Institut de Recherche en Sciences Appliquées et Technologies (IRSAT), 03 BP 7047 Ouagadougou 03, Burkina Faso
4 Ecole doctorale Sciences et Technologies, Laboratoire Biosciences, Equipe Phytopathologie et Mycologie tropicale, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina Faso
5 Ecole doctorale Sciences et Technologies, Laboratoire Biosciences, Equipe Phytopathologie et Mycologie tropicale, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina Faso
Original language: French
Copyright © 2023 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The objective of this study was to evaluate, in a semi-controlled environment, the resistance of twelve (12) new rice genotypes (KBR2, KBR4, KBR6, KBR8, KBR9, KBR11, KBR12, KBR13, KBR15, KBR17, KBR28, KBR42) to rice blast caused by Magnaporthe oryzae in Burkina Faso. The experimental design used was a randomised block with three (03) replications. The parameters assessed were leaf and panicle severity, leaf and panicle incidence, yield per pot and percentage yield loss. The results showed that genotypes KBR11, KBR15 and KBR42 were resistant to medium resistance to blast, with values ranging from 7.7% to 15% of leaf area diseased and from 14% to 24.07% of panicles diseased. These genotypes recorded the best yields per pot of 60.32g/pot, 65.97g/pot and 60.43g/pot respectively, with relatively low yield losses. Genotypes KBR11, KBR15 and KBR42 were resistant to medium resistance to leaf and panicle blast with high yield performance and relatively low yield loss rates. These genotypes can be used to control rice blast in rice fields in Burkina Faso. They therefore need to be improved and made more widely available. This will require the support of agricultural research, extension services and farm advisory services.
Author Keywords: Oryza sativa L, Magnaporthe oryzae, Severity, Incidence, Burkina Faso.
Volume 40, Issue 4, October 2023, Pages 1223–1229
Souleymane Ouattara1, KASSANKOGNO Abalo Itolou2, SÉRÉMÉ Abdoulaye3, ZOUGRANA Sylvain4, and KOÏTA Kadidia5
1 Université Felix HOUPHOUET BOIGNY, Unité de formation des Sciences de la Terre et des Ressources Minières, Laboratoire des Sciences du sol, de l’eau et des Géomatériaux, 08 BP 2600 Abidjan 08, Côte d’Ivoire
2 Institut de l’Environnement et de Recherches Agricoles (INERA), 01 BP 910 Bobo-Dioulasso 01, Burkina Faso
3 Institut de Recherche en Sciences Appliquées et Technologies (IRSAT), 03 BP 7047 Ouagadougou 03, Burkina Faso
4 Ecole doctorale Sciences et Technologies, Laboratoire Biosciences, Equipe Phytopathologie et Mycologie tropicale, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina Faso
5 Ecole doctorale Sciences et Technologies, Laboratoire Biosciences, Equipe Phytopathologie et Mycologie tropicale, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina Faso
Original language: French
Copyright © 2023 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The objective of this study was to evaluate, in a semi-controlled environment, the resistance of twelve (12) new rice genotypes (KBR2, KBR4, KBR6, KBR8, KBR9, KBR11, KBR12, KBR13, KBR15, KBR17, KBR28, KBR42) to rice blast caused by Magnaporthe oryzae in Burkina Faso. The experimental design used was a randomised block with three (03) replications. The parameters assessed were leaf and panicle severity, leaf and panicle incidence, yield per pot and percentage yield loss. The results showed that genotypes KBR11, KBR15 and KBR42 were resistant to medium resistance to blast, with values ranging from 7.7% to 15% of leaf area diseased and from 14% to 24.07% of panicles diseased. These genotypes recorded the best yields per pot of 60.32g/pot, 65.97g/pot and 60.43g/pot respectively, with relatively low yield losses. Genotypes KBR11, KBR15 and KBR42 were resistant to medium resistance to leaf and panicle blast with high yield performance and relatively low yield loss rates. These genotypes can be used to control rice blast in rice fields in Burkina Faso. They therefore need to be improved and made more widely available. This will require the support of agricultural research, extension services and farm advisory services.
Author Keywords: Oryza sativa L, Magnaporthe oryzae, Severity, Incidence, Burkina Faso.
Abstract: (french)
Ce travail avait pour objectif d’évaluer en milieu semi-contrôlé le niveau de résistance de douze (12) nouveaux génotypes de riz (KBR2, KBR4, KBR6, KBR8, KBR9, KBR11, KBR12, KBR13, KBR15, KBR17, KBR28, KBR42) vis-à-vis de la pyriculariose du riz causée par Magnaporthe oryzae au Burkina Faso. Le dispositif expérimental utilisé a été un bloc randomisé à trois (03) répétitions. Les paramètres évalués ont été la sévérité foliaire et paniculaire, l’incidence foliaire et paniculaire, le rendement grains et le pourcentage de perte de rendement. Les résultats ont montré que les génotypes KBR11, KBR15 et KBR42 ont été résistants à moyennement résistants à la pyriculariose avec des valeurs comprises entre 7,7% et 15% de surface foliaire malade puis entre 14% et 24,07% de panicules malades. Ces génotypes ont enregistré les meilleurs rendements grains qui sont respectivement de 60,32g/pot, 65,97g/pot et 60,43g/pot avec des pertes de rendement relativement faibles. Les génotypes KBR11, KBR15 et KBR42 ont été résistants à moyennement résistants à la pyriculariose foliaire et paniculaire avec des performances de rendement élevées et des taux de pertes de rendement relativement faibles. Ces génotypes peuvent être utilisés comme moyen de lutte variétale contre la pyriculariose du riz dans les rizières au Burkina Faso.
Author Keywords: Oryza sativa L, Magnaporthe oryzae, Sévérité, Incidence, Burkina Faso.
How to Cite this Article
Souleymane Ouattara, KASSANKOGNO Abalo Itolou, SÉRÉMÉ Abdoulaye, ZOUGRANA Sylvain, and KOÏTA Kadidia, “Study of the resistance of twelve (12) new rice genotypes to fight against Magnaporthe oryzae B.C. Couch, a rice blast pathogen in Burkina Faso,” International Journal of Innovation and Applied Studies, vol. 40, no. 4, pp. 1223–1229, October 2023.
