Genetic Variability and Its Implications on Early Generation Sorghum Lines Selection for Yield, Yield Contributing Traits, and Resistance to Sorghum Midge
Sorghum is the second most important cereal crop in Niger. The crop is grown in a wide range of ecological environments in the country. However, sorghum grain yield in Niger is limited by both abiotic and biotic constraints. Recombinant inbred lines derived from the cross of a local variety with a m...
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | International Journal of Agronomy |
| Online Access: | http://dx.doi.org/10.1155/2018/1864797 |
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| author | Massaoudou Hamidou Abdoul Kader M. Souley Issoufou Kapran Oumarou Souleymane Eric Yirenkyi Danquah Kwadwo Ofori Vernon Gracen Malick N. Ba |
| author_facet | Massaoudou Hamidou Abdoul Kader M. Souley Issoufou Kapran Oumarou Souleymane Eric Yirenkyi Danquah Kwadwo Ofori Vernon Gracen Malick N. Ba |
| author_sort | Massaoudou Hamidou |
| collection | DOAJ |
| description | Sorghum is the second most important cereal crop in Niger. The crop is grown in a wide range of ecological environments in the country. However, sorghum grain yield in Niger is limited by both abiotic and biotic constraints. Recombinant inbred lines derived from the cross of a local variety with a midge resistant variety and two local checks were evaluated during the 2015 rainy season across two planting dates in two environments in Niger. The objective was to investigate genetic variability for yield, yield related traits, and resistance to sorghum midge. High phenotypic coefficient of variation (PCV) versus genotypic coefficient of variation (GCV) was observed in both sites and planting dates. Across planting dates at both Konni and Maradi, grain yield, plant height, panicle weight, and midge damage had high heritability coupled with high estimates of genetic advance. At Konni, high genetic advance coupled with high heritability was detected for grain yield, plant height, panicle weight, and resistance to midge. There were similar results at Maradi for grain yield, plant height, and panicle weight. Therefore, selection might be successful for the above characters in their respective environments. |
| format | Article |
| id | doaj-art-e719804d383f40b6ab32cb4e4478bc67 |
| institution | OA Journals |
| issn | 1687-8159 1687-8167 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Agronomy |
| spelling | doaj-art-e719804d383f40b6ab32cb4e4478bc672025-08-20T02:21:10ZengWileyInternational Journal of Agronomy1687-81591687-81672018-01-01201810.1155/2018/18647971864797Genetic Variability and Its Implications on Early Generation Sorghum Lines Selection for Yield, Yield Contributing Traits, and Resistance to Sorghum MidgeMassaoudou Hamidou0Abdoul Kader M. Souley1Issoufou Kapran2Oumarou Souleymane3Eric Yirenkyi Danquah4Kwadwo Ofori5Vernon Gracen6Malick N. Ba7Institut National de la Recherche Agronomique du Niger (INRAN), BP 429, Niamey, NigerInstitut National de la Recherche Agronomique du Niger (INRAN), BP 429, Niamey, NigerInstitut National de la Recherche Agronomique du Niger (INRAN), BP 429, Niamey, NigerInstitut National de la Recherche Agronomique du Niger (INRAN), BP 429, Niamey, NigerWest Africa Centre for Crop Improvement, University of Ghana, PMB 30, Legon, Accra, GhanaWest Africa Centre for Crop Improvement, University of Ghana, PMB 30, Legon, Accra, GhanaWest Africa Centre for Crop Improvement, University of Ghana, PMB 30, Legon, Accra, GhanaInternational Crops Research Institute for the Semi-Arid Tropics, BP 12404, Niamey, NigerSorghum is the second most important cereal crop in Niger. The crop is grown in a wide range of ecological environments in the country. However, sorghum grain yield in Niger is limited by both abiotic and biotic constraints. Recombinant inbred lines derived from the cross of a local variety with a midge resistant variety and two local checks were evaluated during the 2015 rainy season across two planting dates in two environments in Niger. The objective was to investigate genetic variability for yield, yield related traits, and resistance to sorghum midge. High phenotypic coefficient of variation (PCV) versus genotypic coefficient of variation (GCV) was observed in both sites and planting dates. Across planting dates at both Konni and Maradi, grain yield, plant height, panicle weight, and midge damage had high heritability coupled with high estimates of genetic advance. At Konni, high genetic advance coupled with high heritability was detected for grain yield, plant height, panicle weight, and resistance to midge. There were similar results at Maradi for grain yield, plant height, and panicle weight. Therefore, selection might be successful for the above characters in their respective environments.http://dx.doi.org/10.1155/2018/1864797 |
| spellingShingle | Massaoudou Hamidou Abdoul Kader M. Souley Issoufou Kapran Oumarou Souleymane Eric Yirenkyi Danquah Kwadwo Ofori Vernon Gracen Malick N. Ba Genetic Variability and Its Implications on Early Generation Sorghum Lines Selection for Yield, Yield Contributing Traits, and Resistance to Sorghum Midge International Journal of Agronomy |
| title | Genetic Variability and Its Implications on Early Generation Sorghum Lines Selection for Yield, Yield Contributing Traits, and Resistance to Sorghum Midge |
| title_full | Genetic Variability and Its Implications on Early Generation Sorghum Lines Selection for Yield, Yield Contributing Traits, and Resistance to Sorghum Midge |
| title_fullStr | Genetic Variability and Its Implications on Early Generation Sorghum Lines Selection for Yield, Yield Contributing Traits, and Resistance to Sorghum Midge |
| title_full_unstemmed | Genetic Variability and Its Implications on Early Generation Sorghum Lines Selection for Yield, Yield Contributing Traits, and Resistance to Sorghum Midge |
| title_short | Genetic Variability and Its Implications on Early Generation Sorghum Lines Selection for Yield, Yield Contributing Traits, and Resistance to Sorghum Midge |
| title_sort | genetic variability and its implications on early generation sorghum lines selection for yield yield contributing traits and resistance to sorghum midge |
| url | http://dx.doi.org/10.1155/2018/1864797 |
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