Synergistic control of Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) by releases of an oophagous and a larval parasitoid in experimental cowpea storage systems
Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) is a major pest of stored cowpea in West Africa, responsible for significant weight losses and grain deterioration during storage. Biological control of this pest using its native larval (Dinarmus basalis) and oophagous (Uscana lariophaga) parasitoids is currently investigated. The present study aims to assess into experimental storage systems the effects of five options of releasing U. lariophaga and D. basalis, alone or in combination, on the populations of C. maculatus in comparison with a control without any parasitoid. The combined releases of the two parasitoid species prevented the increase in C. maculatus numbers better than the release of a single parasitoid species. Each parasitoid species behaved differently when alone versus in combination. Thus, D. basalis had a higher development and rates of parasitism when it was alone, whereas the opposite was observed in U. lariophaga, whose parasitism activity seemed to be stimulated by the presence of D. basalis. After 150 days of storage, the cowpea seed losses were estimated to be significantly lower (9–13%) in all parasitoid combination treatments instead of 31% and 62% in single parasitoid treatments and the control, respectively. Our results suggest that combined releases of both parasitoids can additively control the pest and maintain cowpea quality over 5 months of storage. Further studies should precise the optimal densities of each species to be released without additional introductions throughout the storage period. Interactions between D. basalis and U. lariophaga are still poorly known and will require in-depth scientific investigations.
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dig-cirad-fr-6001512024-01-29T19:05:23Z http://agritrop.cirad.fr/600151/ http://agritrop.cirad.fr/600151/ Synergistic control of Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) by releases of an oophagous and a larval parasitoid in experimental cowpea storage systems. Kam Koï Wenceslas, Ilboudo Zakaria, Silvie Pierre, Sanon Antoine. 2022. Journal of Plant Diseases and Protection, 129 : 347-365.https://doi.org/10.1007/s41348-022-00576-w <https://doi.org/10.1007/s41348-022-00576-w> Synergistic control of Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) by releases of an oophagous and a larval parasitoid in experimental cowpea storage systems Kam, Koï Wenceslas Ilboudo, Zakaria Silvie, Pierre Sanon, Antoine eng 2022 Journal of Plant Diseases and Protection H10 - Ravageurs des plantes J11 - Manutention, transport, stockage et conservation des produits d'origine végétale Q02 - Traitement et conservation des produits alimentaires lutte biologique contre les ravageurs lutte antiparasite en entreposage lutte après récolte parasitoïde ravageur des denrées entreposées Callosobruchus maculatus stockage des récoltes niébé http://aims.fao.org/aos/agrovoc/c_330635 http://aims.fao.org/aos/agrovoc/c_7432 http://aims.fao.org/aos/agrovoc/c_6130 http://aims.fao.org/aos/agrovoc/c_34070 http://aims.fao.org/aos/agrovoc/c_7433 http://aims.fao.org/aos/agrovoc/c_30008 http://aims.fao.org/aos/agrovoc/c_10175 http://aims.fao.org/aos/agrovoc/c_1938 Burkina Faso http://aims.fao.org/aos/agrovoc/c_8081 Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) is a major pest of stored cowpea in West Africa, responsible for significant weight losses and grain deterioration during storage. Biological control of this pest using its native larval (Dinarmus basalis) and oophagous (Uscana lariophaga) parasitoids is currently investigated. The present study aims to assess into experimental storage systems the effects of five options of releasing U. lariophaga and D. basalis, alone or in combination, on the populations of C. maculatus in comparison with a control without any parasitoid. The combined releases of the two parasitoid species prevented the increase in C. maculatus numbers better than the release of a single parasitoid species. Each parasitoid species behaved differently when alone versus in combination. Thus, D. basalis had a higher development and rates of parasitism when it was alone, whereas the opposite was observed in U. lariophaga, whose parasitism activity seemed to be stimulated by the presence of D. basalis. After 150 days of storage, the cowpea seed losses were estimated to be significantly lower (9–13%) in all parasitoid combination treatments instead of 31% and 62% in single parasitoid treatments and the control, respectively. Our results suggest that combined releases of both parasitoids can additively control the pest and maintain cowpea quality over 5 months of storage. Further studies should precise the optimal densities of each species to be released without additional introductions throughout the storage period. Interactions between D. basalis and U. lariophaga are still poorly known and will require in-depth scientific investigations. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/600151/7/600151.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1007/s41348-022-00576-w 10.1007/s41348-022-00576-w info:eu-repo/semantics/altIdentifier/doi/10.1007/s41348-022-00576-w info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1007/s41348-022-00576-w |
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H10 - Ravageurs des plantes J11 - Manutention, transport, stockage et conservation des produits d'origine végétale Q02 - Traitement et conservation des produits alimentaires lutte biologique contre les ravageurs lutte antiparasite en entreposage lutte après récolte parasitoïde ravageur des denrées entreposées Callosobruchus maculatus stockage des récoltes niébé http://aims.fao.org/aos/agrovoc/c_330635 http://aims.fao.org/aos/agrovoc/c_7432 http://aims.fao.org/aos/agrovoc/c_6130 http://aims.fao.org/aos/agrovoc/c_34070 http://aims.fao.org/aos/agrovoc/c_7433 http://aims.fao.org/aos/agrovoc/c_30008 http://aims.fao.org/aos/agrovoc/c_10175 http://aims.fao.org/aos/agrovoc/c_1938 http://aims.fao.org/aos/agrovoc/c_8081 H10 - Ravageurs des plantes J11 - Manutention, transport, stockage et conservation des produits d'origine végétale Q02 - Traitement et conservation des produits alimentaires lutte biologique contre les ravageurs lutte antiparasite en entreposage lutte après récolte parasitoïde ravageur des denrées entreposées Callosobruchus maculatus stockage des récoltes niébé http://aims.fao.org/aos/agrovoc/c_330635 http://aims.fao.org/aos/agrovoc/c_7432 http://aims.fao.org/aos/agrovoc/c_6130 http://aims.fao.org/aos/agrovoc/c_34070 http://aims.fao.org/aos/agrovoc/c_7433 http://aims.fao.org/aos/agrovoc/c_30008 http://aims.fao.org/aos/agrovoc/c_10175 http://aims.fao.org/aos/agrovoc/c_1938 http://aims.fao.org/aos/agrovoc/c_8081 |
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H10 - Ravageurs des plantes J11 - Manutention, transport, stockage et conservation des produits d'origine végétale Q02 - Traitement et conservation des produits alimentaires lutte biologique contre les ravageurs lutte antiparasite en entreposage lutte après récolte parasitoïde ravageur des denrées entreposées Callosobruchus maculatus stockage des récoltes niébé http://aims.fao.org/aos/agrovoc/c_330635 http://aims.fao.org/aos/agrovoc/c_7432 http://aims.fao.org/aos/agrovoc/c_6130 http://aims.fao.org/aos/agrovoc/c_34070 http://aims.fao.org/aos/agrovoc/c_7433 http://aims.fao.org/aos/agrovoc/c_30008 http://aims.fao.org/aos/agrovoc/c_10175 http://aims.fao.org/aos/agrovoc/c_1938 http://aims.fao.org/aos/agrovoc/c_8081 H10 - Ravageurs des plantes J11 - Manutention, transport, stockage et conservation des produits d'origine végétale Q02 - Traitement et conservation des produits alimentaires lutte biologique contre les ravageurs lutte antiparasite en entreposage lutte après récolte parasitoïde ravageur des denrées entreposées Callosobruchus maculatus stockage des récoltes niébé http://aims.fao.org/aos/agrovoc/c_330635 http://aims.fao.org/aos/agrovoc/c_7432 http://aims.fao.org/aos/agrovoc/c_6130 http://aims.fao.org/aos/agrovoc/c_34070 http://aims.fao.org/aos/agrovoc/c_7433 http://aims.fao.org/aos/agrovoc/c_30008 http://aims.fao.org/aos/agrovoc/c_10175 http://aims.fao.org/aos/agrovoc/c_1938 http://aims.fao.org/aos/agrovoc/c_8081 Kam, Koï Wenceslas Ilboudo, Zakaria Silvie, Pierre Sanon, Antoine Synergistic control of Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) by releases of an oophagous and a larval parasitoid in experimental cowpea storage systems |
description |
Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) is a major pest of stored cowpea in West Africa, responsible for significant weight losses and grain deterioration during storage. Biological control of this pest using its native larval (Dinarmus basalis) and oophagous (Uscana lariophaga) parasitoids is currently investigated. The present study aims to assess into experimental storage systems the effects of five options of releasing U. lariophaga and D. basalis, alone or in combination, on the populations of C. maculatus in comparison with a control without any parasitoid. The combined releases of the two parasitoid species prevented the increase in C. maculatus numbers better than the release of a single parasitoid species. Each parasitoid species behaved differently when alone versus in combination. Thus, D. basalis had a higher development and rates of parasitism when it was alone, whereas the opposite was observed in U. lariophaga, whose parasitism activity seemed to be stimulated by the presence of D. basalis. After 150 days of storage, the cowpea seed losses were estimated to be significantly lower (9–13%) in all parasitoid combination treatments instead of 31% and 62% in single parasitoid treatments and the control, respectively. Our results suggest that combined releases of both parasitoids can additively control the pest and maintain cowpea quality over 5 months of storage. Further studies should precise the optimal densities of each species to be released without additional introductions throughout the storage period. Interactions between D. basalis and U. lariophaga are still poorly known and will require in-depth scientific investigations. |
format |
article |
topic_facet |
H10 - Ravageurs des plantes J11 - Manutention, transport, stockage et conservation des produits d'origine végétale Q02 - Traitement et conservation des produits alimentaires lutte biologique contre les ravageurs lutte antiparasite en entreposage lutte après récolte parasitoïde ravageur des denrées entreposées Callosobruchus maculatus stockage des récoltes niébé http://aims.fao.org/aos/agrovoc/c_330635 http://aims.fao.org/aos/agrovoc/c_7432 http://aims.fao.org/aos/agrovoc/c_6130 http://aims.fao.org/aos/agrovoc/c_34070 http://aims.fao.org/aos/agrovoc/c_7433 http://aims.fao.org/aos/agrovoc/c_30008 http://aims.fao.org/aos/agrovoc/c_10175 http://aims.fao.org/aos/agrovoc/c_1938 http://aims.fao.org/aos/agrovoc/c_8081 |
author |
Kam, Koï Wenceslas Ilboudo, Zakaria Silvie, Pierre Sanon, Antoine |
author_facet |
Kam, Koï Wenceslas Ilboudo, Zakaria Silvie, Pierre Sanon, Antoine |
author_sort |
Kam, Koï Wenceslas |
title |
Synergistic control of Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) by releases of an oophagous and a larval parasitoid in experimental cowpea storage systems |
title_short |
Synergistic control of Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) by releases of an oophagous and a larval parasitoid in experimental cowpea storage systems |
title_full |
Synergistic control of Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) by releases of an oophagous and a larval parasitoid in experimental cowpea storage systems |
title_fullStr |
Synergistic control of Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) by releases of an oophagous and a larval parasitoid in experimental cowpea storage systems |
title_full_unstemmed |
Synergistic control of Callosobruchus maculatus Fab. (Coleoptera: Chrysomelidae) by releases of an oophagous and a larval parasitoid in experimental cowpea storage systems |
title_sort |
synergistic control of callosobruchus maculatus fab. (coleoptera: chrysomelidae) by releases of an oophagous and a larval parasitoid in experimental cowpea storage systems |
url |
http://agritrop.cirad.fr/600151/ http://agritrop.cirad.fr/600151/7/600151.pdf |
work_keys_str_mv |
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