Developing maize resistant to Stem borer and storage insect pests for Eastern and Southern Africa - IRMA III conventional (2009-2013): progress report 2010 submitted to the syngenta foundation for sustainable agriculture
Although maize is important for agriculture and livelihoods in eastern and southern Africa, its productivity is low, being only 1.3 t/ha compared 4.9 t/ha worldwide. Insect pests in the field and in storage are among the factors that reduce yields and food availability in eastern and southern Africa. Various species of stem borers typically cause maize losses to about 15% each in susceptible germplasm in the infested ecologies, while storage pests, the maize weevil (MW) (Sitophilus zeamais), and larger grain borer (LGB) (Prostephanus trancutus) cause more wide-spread losses estimated at 20–30%. Host plant resistance (HPR) to storage pests is embedded in the seed using conventional breeding, and is, therefore, the easiest control method for farmers, as well as the most environmentally safe. Despite the heavy loss caused by stem borers and storage pests in Africa, few maize improvement programs include breeding for resistance, attributed to the genetic and logistical challenges posed by screening and selection for insect resistance. Through IRMA II and other efforts, maize germplasm resistant to stem borers was developed by CIMMYT and its partners. IRMA III Conventional Project begun in March 2009, aimed at sharing the benefits from IRMA II to eight countries that are major producers and consumers of maize in the eastern and southern regions of Africa where insect pests have the greatest impact on maize production, food and income security, and livelihoods. Ethiopia, Kenya, Malawi, Mozambique. Tanzania, Uganda, Zambia, and Zimbabwe together hold a population of > 190 million people, which is also projected to be > 230 M by 2015.
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2011
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Subjects: | AGRICULTURAL SCIENCES AND BIOTECHNOLOGY, FOOD PRODUCTION, MAIZE, SITOPHILUS ZEAMAIS, SUSTAINABILITY, PLANT BREEDING, |
Online Access: | http://hdl.handle.net/10883/3782 |
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dig-cimmyt-10883-37822021-03-31T14:21:04Z Developing maize resistant to Stem borer and storage insect pests for Eastern and Southern Africa - IRMA III conventional (2009-2013): progress report 2010 submitted to the syngenta foundation for sustainable agriculture AGRICULTURAL SCIENCES AND BIOTECHNOLOGY FOOD PRODUCTION MAIZE SITOPHILUS ZEAMAIS SUSTAINABILITY PLANT BREEDING Although maize is important for agriculture and livelihoods in eastern and southern Africa, its productivity is low, being only 1.3 t/ha compared 4.9 t/ha worldwide. Insect pests in the field and in storage are among the factors that reduce yields and food availability in eastern and southern Africa. Various species of stem borers typically cause maize losses to about 15% each in susceptible germplasm in the infested ecologies, while storage pests, the maize weevil (MW) (Sitophilus zeamais), and larger grain borer (LGB) (Prostephanus trancutus) cause more wide-spread losses estimated at 20–30%. Host plant resistance (HPR) to storage pests is embedded in the seed using conventional breeding, and is, therefore, the easiest control method for farmers, as well as the most environmentally safe. Despite the heavy loss caused by stem borers and storage pests in Africa, few maize improvement programs include breeding for resistance, attributed to the genetic and logistical challenges posed by screening and selection for insect resistance. Through IRMA II and other efforts, maize germplasm resistant to stem borers was developed by CIMMYT and its partners. IRMA III Conventional Project begun in March 2009, aimed at sharing the benefits from IRMA II to eight countries that are major producers and consumers of maize in the eastern and southern regions of Africa where insect pests have the greatest impact on maize production, food and income security, and livelihoods. Ethiopia, Kenya, Malawi, Mozambique. Tanzania, Uganda, Zambia, and Zimbabwe together hold a population of > 190 million people, which is also projected to be > 230 M by 2015. vii, 83 pages 2014-03-13T00:58:06Z 2014-03-13T00:58:06Z 2011 Report http://hdl.handle.net/10883/3782 English IRMA III Conventional Document CIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact CIMMYT-Knowledge-Center@cgiar.org indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose. Open Access PDF Nairobi (Kenya) CIMMYT |
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AGRICULTURAL SCIENCES AND BIOTECHNOLOGY FOOD PRODUCTION MAIZE SITOPHILUS ZEAMAIS SUSTAINABILITY PLANT BREEDING AGRICULTURAL SCIENCES AND BIOTECHNOLOGY FOOD PRODUCTION MAIZE SITOPHILUS ZEAMAIS SUSTAINABILITY PLANT BREEDING |
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Although maize is important for agriculture and livelihoods in eastern and southern Africa, its productivity is low, being only 1.3 t/ha compared 4.9 t/ha worldwide. Insect pests in the field and in storage are among the factors that reduce yields and food availability in eastern and southern Africa. Various species of stem borers typically cause maize losses to about 15% each in susceptible germplasm in the infested ecologies, while storage pests, the maize weevil (MW) (Sitophilus zeamais), and larger grain borer (LGB) (Prostephanus trancutus) cause more wide-spread losses estimated at 20–30%. Host plant resistance (HPR) to storage pests is embedded in the seed using conventional breeding, and is, therefore, the easiest control method for farmers, as well as the most environmentally safe. Despite the heavy loss caused by stem borers and storage pests in Africa, few maize improvement programs include breeding for resistance, attributed to the genetic and logistical challenges posed by screening and selection for insect resistance. Through IRMA II and other efforts, maize germplasm resistant to stem borers was developed by CIMMYT and its partners. IRMA III Conventional Project begun in March 2009, aimed at sharing the benefits from IRMA II to eight countries that are major producers and consumers of maize in the eastern and southern regions of Africa where insect pests have the greatest impact on maize production, food and income security, and livelihoods. Ethiopia, Kenya, Malawi, Mozambique. Tanzania, Uganda, Zambia, and Zimbabwe together hold a population of > 190 million people, which is also projected to be > 230 M by 2015. |
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AGRICULTURAL SCIENCES AND BIOTECHNOLOGY FOOD PRODUCTION MAIZE SITOPHILUS ZEAMAIS SUSTAINABILITY PLANT BREEDING |
title |
Developing maize resistant to Stem borer and storage insect pests for Eastern and Southern Africa - IRMA III conventional (2009-2013): progress report 2010 submitted to the syngenta foundation for sustainable agriculture |
title_short |
Developing maize resistant to Stem borer and storage insect pests for Eastern and Southern Africa - IRMA III conventional (2009-2013): progress report 2010 submitted to the syngenta foundation for sustainable agriculture |
title_full |
Developing maize resistant to Stem borer and storage insect pests for Eastern and Southern Africa - IRMA III conventional (2009-2013): progress report 2010 submitted to the syngenta foundation for sustainable agriculture |
title_fullStr |
Developing maize resistant to Stem borer and storage insect pests for Eastern and Southern Africa - IRMA III conventional (2009-2013): progress report 2010 submitted to the syngenta foundation for sustainable agriculture |
title_full_unstemmed |
Developing maize resistant to Stem borer and storage insect pests for Eastern and Southern Africa - IRMA III conventional (2009-2013): progress report 2010 submitted to the syngenta foundation for sustainable agriculture |
title_sort |
developing maize resistant to stem borer and storage insect pests for eastern and southern africa - irma iii conventional (2009-2013): progress report 2010 submitted to the syngenta foundation for sustainable agriculture |
publisher |
CIMMYT |
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2011 |
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http://hdl.handle.net/10883/3782 |
_version_ |
1756086489917161472 |