Breeding strategies for adaptation of pearl millet and sorghum to climate variability and change in West Africa
Semi-arid and subhumid West Africa is characterized by high inter-annual rainfall variability, with variable onset of the rainy season, somewhat more predictable endings, and drought or excess water occurrence at any time during the growing season. Climate change is predicted to increase this variability. This article summarizes options for plant breeders to enhance the adaptation of pearl millet (Pennisetum glaucum [L.] R. Br.) and sorghum (Sorghum bicolor [L.] Moench) to climate variability in West Africa. Developing variety types with high degrees of heterozygosity and genetic heterogeneity for adaptation traits helps achieving better individual and population buffering capacity. Traits that potentially enhance adaptive phenotypic plasticity or yield stability in variable climates include photoperiod-sensitive flowering, plastic tillering, flooding tolerance, seedling heat tolerance and phosphorus efficiency. Farmer-participatory dynamic gene pool management using broad-based populations and diverse selection environments is useful to develop new diverse germplasm adapted to specific production constraints including climate variability. For sustainable productivity increase, improved cultivars should respond to farmer-adoptable soil fertility management and water harvesting techniques. Larger-scale, on-farm participatory testing will enable assessments of varietal performance under evolving climatic variability, provide perspective on needs and opportunities and enhance adoption. Strengthening seed systems will be required to achieve sustainable impacts.
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dig-cirad-fr-5653902024-01-28T20:42:44Z http://agritrop.cirad.fr/565390/ http://agritrop.cirad.fr/565390/ Breeding strategies for adaptation of pearl millet and sorghum to climate variability and change in West Africa. Haussmann Bettina I.G., Rattunde H. Frederick W., Weltzien Eva, Traoré Pierre Sibiry, Vom Brocke Kirsten, Parzies Heiko K.. 2012. Journal of Agronomy and Crop Science, 198 (5) : 327-339.https://doi.org/10.1111/j.1439-037X.2012.00526.x <https://doi.org/10.1111/j.1439-037X.2012.00526.x> Breeding strategies for adaptation of pearl millet and sorghum to climate variability and change in West Africa Haussmann, Bettina I.G. Rattunde, H. Frederick W. Weltzien, Eva Traoré, Pierre Sibiry Vom Brocke, Kirsten Parzies, Heiko K. eng 2012 Journal of Agronomy and Crop Science F30 - Génétique et amélioration des plantes F01 - Culture des plantes P40 - Météorologie et climatologie Sorghum bicolor Cenchrus americanus changement climatique amélioration des plantes variation génétique diversification ressource génétique végétale pool de gènes germoplasme adaptation phénotype adaptabilité zone semi-aride hétérozygote http://aims.fao.org/aos/agrovoc/c_7247 http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_1666 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_2344 http://aims.fao.org/aos/agrovoc/c_37419 http://aims.fao.org/aos/agrovoc/c_3212 http://aims.fao.org/aos/agrovoc/c_3249 http://aims.fao.org/aos/agrovoc/c_117 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_35024 http://aims.fao.org/aos/agrovoc/c_6963 http://aims.fao.org/aos/agrovoc/c_3587 Afrique occidentale http://aims.fao.org/aos/agrovoc/c_8355 Semi-arid and subhumid West Africa is characterized by high inter-annual rainfall variability, with variable onset of the rainy season, somewhat more predictable endings, and drought or excess water occurrence at any time during the growing season. Climate change is predicted to increase this variability. This article summarizes options for plant breeders to enhance the adaptation of pearl millet (Pennisetum glaucum [L.] R. Br.) and sorghum (Sorghum bicolor [L.] Moench) to climate variability in West Africa. Developing variety types with high degrees of heterozygosity and genetic heterogeneity for adaptation traits helps achieving better individual and population buffering capacity. Traits that potentially enhance adaptive phenotypic plasticity or yield stability in variable climates include photoperiod-sensitive flowering, plastic tillering, flooding tolerance, seedling heat tolerance and phosphorus efficiency. Farmer-participatory dynamic gene pool management using broad-based populations and diverse selection environments is useful to develop new diverse germplasm adapted to specific production constraints including climate variability. For sustainable productivity increase, improved cultivars should respond to farmer-adoptable soil fertility management and water harvesting techniques. Larger-scale, on-farm participatory testing will enable assessments of varietal performance under evolving climatic variability, provide perspective on needs and opportunities and enhance adoption. Strengthening seed systems will be required to achieve sustainable impacts. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/565390/1/document_565390.pdf application/pdf Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1111/j.1439-037X.2012.00526.x 10.1111/j.1439-037X.2012.00526.x info:eu-repo/semantics/altIdentifier/doi/10.1111/j.1439-037X.2012.00526.x info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1111/j.1439-037X.2012.00526.x |
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F30 - Génétique et amélioration des plantes F01 - Culture des plantes P40 - Météorologie et climatologie Sorghum bicolor Cenchrus americanus changement climatique amélioration des plantes variation génétique diversification ressource génétique végétale pool de gènes germoplasme adaptation phénotype adaptabilité zone semi-aride hétérozygote http://aims.fao.org/aos/agrovoc/c_7247 http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_1666 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_2344 http://aims.fao.org/aos/agrovoc/c_37419 http://aims.fao.org/aos/agrovoc/c_3212 http://aims.fao.org/aos/agrovoc/c_3249 http://aims.fao.org/aos/agrovoc/c_117 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_35024 http://aims.fao.org/aos/agrovoc/c_6963 http://aims.fao.org/aos/agrovoc/c_3587 http://aims.fao.org/aos/agrovoc/c_8355 F30 - Génétique et amélioration des plantes F01 - Culture des plantes P40 - Météorologie et climatologie Sorghum bicolor Cenchrus americanus changement climatique amélioration des plantes variation génétique diversification ressource génétique végétale pool de gènes germoplasme adaptation phénotype adaptabilité zone semi-aride hétérozygote http://aims.fao.org/aos/agrovoc/c_7247 http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_1666 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_2344 http://aims.fao.org/aos/agrovoc/c_37419 http://aims.fao.org/aos/agrovoc/c_3212 http://aims.fao.org/aos/agrovoc/c_3249 http://aims.fao.org/aos/agrovoc/c_117 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_35024 http://aims.fao.org/aos/agrovoc/c_6963 http://aims.fao.org/aos/agrovoc/c_3587 http://aims.fao.org/aos/agrovoc/c_8355 |
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F30 - Génétique et amélioration des plantes F01 - Culture des plantes P40 - Météorologie et climatologie Sorghum bicolor Cenchrus americanus changement climatique amélioration des plantes variation génétique diversification ressource génétique végétale pool de gènes germoplasme adaptation phénotype adaptabilité zone semi-aride hétérozygote http://aims.fao.org/aos/agrovoc/c_7247 http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_1666 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_2344 http://aims.fao.org/aos/agrovoc/c_37419 http://aims.fao.org/aos/agrovoc/c_3212 http://aims.fao.org/aos/agrovoc/c_3249 http://aims.fao.org/aos/agrovoc/c_117 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_35024 http://aims.fao.org/aos/agrovoc/c_6963 http://aims.fao.org/aos/agrovoc/c_3587 http://aims.fao.org/aos/agrovoc/c_8355 F30 - Génétique et amélioration des plantes F01 - Culture des plantes P40 - Météorologie et climatologie Sorghum bicolor Cenchrus americanus changement climatique amélioration des plantes variation génétique diversification ressource génétique végétale pool de gènes germoplasme adaptation phénotype adaptabilité zone semi-aride hétérozygote http://aims.fao.org/aos/agrovoc/c_7247 http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_1666 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_2344 http://aims.fao.org/aos/agrovoc/c_37419 http://aims.fao.org/aos/agrovoc/c_3212 http://aims.fao.org/aos/agrovoc/c_3249 http://aims.fao.org/aos/agrovoc/c_117 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_35024 http://aims.fao.org/aos/agrovoc/c_6963 http://aims.fao.org/aos/agrovoc/c_3587 http://aims.fao.org/aos/agrovoc/c_8355 Haussmann, Bettina I.G. Rattunde, H. Frederick W. Weltzien, Eva Traoré, Pierre Sibiry Vom Brocke, Kirsten Parzies, Heiko K. Breeding strategies for adaptation of pearl millet and sorghum to climate variability and change in West Africa |
description |
Semi-arid and subhumid West Africa is characterized by high inter-annual rainfall variability, with variable onset of the rainy season, somewhat more predictable endings, and drought or excess water occurrence at any time during the growing season. Climate change is predicted to increase this variability. This article summarizes options for plant breeders to enhance the adaptation of pearl millet (Pennisetum glaucum [L.] R. Br.) and sorghum (Sorghum bicolor [L.] Moench) to climate variability in West Africa. Developing variety types with high degrees of heterozygosity and genetic heterogeneity for adaptation traits helps achieving better individual and population buffering capacity. Traits that potentially enhance adaptive phenotypic plasticity or yield stability in variable climates include photoperiod-sensitive flowering, plastic tillering, flooding tolerance, seedling heat tolerance and phosphorus efficiency. Farmer-participatory dynamic gene pool management using broad-based populations and diverse selection environments is useful to develop new diverse germplasm adapted to specific production constraints including climate variability. For sustainable productivity increase, improved cultivars should respond to farmer-adoptable soil fertility management and water harvesting techniques. Larger-scale, on-farm participatory testing will enable assessments of varietal performance under evolving climatic variability, provide perspective on needs and opportunities and enhance adoption. Strengthening seed systems will be required to achieve sustainable impacts. |
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article |
topic_facet |
F30 - Génétique et amélioration des plantes F01 - Culture des plantes P40 - Météorologie et climatologie Sorghum bicolor Cenchrus americanus changement climatique amélioration des plantes variation génétique diversification ressource génétique végétale pool de gènes germoplasme adaptation phénotype adaptabilité zone semi-aride hétérozygote http://aims.fao.org/aos/agrovoc/c_7247 http://aims.fao.org/aos/agrovoc/c_13199 http://aims.fao.org/aos/agrovoc/c_1666 http://aims.fao.org/aos/agrovoc/c_5956 http://aims.fao.org/aos/agrovoc/c_15975 http://aims.fao.org/aos/agrovoc/c_2344 http://aims.fao.org/aos/agrovoc/c_37419 http://aims.fao.org/aos/agrovoc/c_3212 http://aims.fao.org/aos/agrovoc/c_3249 http://aims.fao.org/aos/agrovoc/c_117 http://aims.fao.org/aos/agrovoc/c_5776 http://aims.fao.org/aos/agrovoc/c_35024 http://aims.fao.org/aos/agrovoc/c_6963 http://aims.fao.org/aos/agrovoc/c_3587 http://aims.fao.org/aos/agrovoc/c_8355 |
author |
Haussmann, Bettina I.G. Rattunde, H. Frederick W. Weltzien, Eva Traoré, Pierre Sibiry Vom Brocke, Kirsten Parzies, Heiko K. |
author_facet |
Haussmann, Bettina I.G. Rattunde, H. Frederick W. Weltzien, Eva Traoré, Pierre Sibiry Vom Brocke, Kirsten Parzies, Heiko K. |
author_sort |
Haussmann, Bettina I.G. |
title |
Breeding strategies for adaptation of pearl millet and sorghum to climate variability and change in West Africa |
title_short |
Breeding strategies for adaptation of pearl millet and sorghum to climate variability and change in West Africa |
title_full |
Breeding strategies for adaptation of pearl millet and sorghum to climate variability and change in West Africa |
title_fullStr |
Breeding strategies for adaptation of pearl millet and sorghum to climate variability and change in West Africa |
title_full_unstemmed |
Breeding strategies for adaptation of pearl millet and sorghum to climate variability and change in West Africa |
title_sort |
breeding strategies for adaptation of pearl millet and sorghum to climate variability and change in west africa |
url |
http://agritrop.cirad.fr/565390/ http://agritrop.cirad.fr/565390/1/document_565390.pdf |
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