Exploring genetic variability, heritability, and trait correlations in gari and eba quality from diverse cassava varieties in Nigeria
BACKGROUND Gari (especially in Nigeria) is an important West African food product made from cassava. It is an affordable, precooked, dry, easy to prepare and store food product. Eba is a stiff dough produced by reconstituting gari in hot water. Gari and eba quality is an important driver of varietal...
| Main Authors: | , , , , , , , , , , , , , , , |
|---|---|
| Format: | Journal Article |
| Language: | Inglés |
| Published: |
Wiley
2024
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/132593 |
| _version_ | 1855531383379722240 |
|---|---|
| author | Aghogho, C.I. Kayondo, S.I. Maziya-Dixon, B. Eleblu, S.J. Asante, I. Offei, Samuel Kwame Parkes, Elizabeth Y. Smith, A.I. Adesokan, M. Abioye, R. Chijioke, Alamu Ugo Ogunpaimo, K. Kulakow, Peter A. Egesi, C. Dufour, D. Rabbi, I.Y. |
| author_browse | Abioye, R. Adesokan, M. Aghogho, C.I. Asante, I. Chijioke, Alamu Ugo Dufour, D. Egesi, C. Eleblu, S.J. Kayondo, S.I. Kulakow, Peter A. Maziya-Dixon, B. Offei, Samuel Kwame Ogunpaimo, K. Parkes, Elizabeth Y. Rabbi, I.Y. Smith, A.I. |
| author_facet | Aghogho, C.I. Kayondo, S.I. Maziya-Dixon, B. Eleblu, S.J. Asante, I. Offei, Samuel Kwame Parkes, Elizabeth Y. Smith, A.I. Adesokan, M. Abioye, R. Chijioke, Alamu Ugo Ogunpaimo, K. Kulakow, Peter A. Egesi, C. Dufour, D. Rabbi, I.Y. |
| author_sort | Aghogho, C.I. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | BACKGROUND
Gari (especially in Nigeria) is an important West African food product made from cassava. It is an affordable, precooked, dry, easy to prepare and store food product. Eba is a stiff dough produced by reconstituting gari in hot water. Gari and eba quality is an important driver of varietal acceptance by farmers, processors, and consumers.
RESULTS
This study characterized the genetic variability, heritability, and correlations among quality-related traits of fresh roots, gari, and eba. Thirty-three diverse genotypes, including landraces and released and advanced breeding genotypes, were used in this study. In total, 40 traits categorized into fresh root quality, colour, functional, and texture properties trait groups were assessed. We observed broad phenotypic variability among the genotypes used in this study. Dry matter content had a positive (P < 0.05) correlation with gari%, bulk density and a negative correlation with eba hardness and gumminess. Broad-sense heritability across all environments varied considerably among the different trait groups: 62% to 79% for fresh root quality, 0% to 96% for colour, 0% to 79% for functional and 0% to 57% for texture properties.
CONCLUSIONS
The stable broad-sense heritability found for gari%, gari and eba colour, bulk density, swelling index, and hardness measured using instrumental texture profile analysis coupled with sufficient variability in the population indicate good potential for genetic improvement of these traits through recurrent selection. Also, it is possible to genetically improve gari%, bulk density, and swelling power by simultaneously improving the dry matter content of fresh roots. |
| format | Journal Article |
| id | CGSpace132593 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| publisher | Wiley |
| publisherStr | Wiley |
| record_format | dspace |
| spelling | CGSpace1325932025-11-11T10:36:24Z Exploring genetic variability, heritability, and trait correlations in gari and eba quality from diverse cassava varieties in Nigeria Aghogho, C.I. Kayondo, S.I. Maziya-Dixon, B. Eleblu, S.J. Asante, I. Offei, Samuel Kwame Parkes, Elizabeth Y. Smith, A.I. Adesokan, M. Abioye, R. Chijioke, Alamu Ugo Ogunpaimo, K. Kulakow, Peter A. Egesi, C. Dufour, D. Rabbi, I.Y. genetics heritability by-products cassava breeding consumer preferences nigeria BACKGROUND Gari (especially in Nigeria) is an important West African food product made from cassava. It is an affordable, precooked, dry, easy to prepare and store food product. Eba is a stiff dough produced by reconstituting gari in hot water. Gari and eba quality is an important driver of varietal acceptance by farmers, processors, and consumers. RESULTS This study characterized the genetic variability, heritability, and correlations among quality-related traits of fresh roots, gari, and eba. Thirty-three diverse genotypes, including landraces and released and advanced breeding genotypes, were used in this study. In total, 40 traits categorized into fresh root quality, colour, functional, and texture properties trait groups were assessed. We observed broad phenotypic variability among the genotypes used in this study. Dry matter content had a positive (P < 0.05) correlation with gari%, bulk density and a negative correlation with eba hardness and gumminess. Broad-sense heritability across all environments varied considerably among the different trait groups: 62% to 79% for fresh root quality, 0% to 96% for colour, 0% to 79% for functional and 0% to 57% for texture properties. CONCLUSIONS The stable broad-sense heritability found for gari%, gari and eba colour, bulk density, swelling index, and hardness measured using instrumental texture profile analysis coupled with sufficient variability in the population indicate good potential for genetic improvement of these traits through recurrent selection. Also, it is possible to genetically improve gari%, bulk density, and swelling power by simultaneously improving the dry matter content of fresh roots. 2024-06 2023-10-31T14:58:44Z 2023-10-31T14:58:44Z Journal Article https://hdl.handle.net/10568/132593 en Open Access application/pdf Wiley Aghogho, C.I., Kayondo, S.I., Maziya‐Dixon, B., Eleblu, S.J., Asante, I., Offei, S.K., ... & Rabbi, I.Y. (2023). Exploring genetic variability, heritability, and trait correlations in gari and eba quality from diverse cassava varieties in Nigeria. Journal of the Science of Food and Agriculture, 10-12. |
| spellingShingle | genetics heritability by-products cassava breeding consumer preferences nigeria Aghogho, C.I. Kayondo, S.I. Maziya-Dixon, B. Eleblu, S.J. Asante, I. Offei, Samuel Kwame Parkes, Elizabeth Y. Smith, A.I. Adesokan, M. Abioye, R. Chijioke, Alamu Ugo Ogunpaimo, K. Kulakow, Peter A. Egesi, C. Dufour, D. Rabbi, I.Y. Exploring genetic variability, heritability, and trait correlations in gari and eba quality from diverse cassava varieties in Nigeria |
| title | Exploring genetic variability, heritability, and trait correlations in gari and eba quality from diverse cassava varieties in Nigeria |
| title_full | Exploring genetic variability, heritability, and trait correlations in gari and eba quality from diverse cassava varieties in Nigeria |
| title_fullStr | Exploring genetic variability, heritability, and trait correlations in gari and eba quality from diverse cassava varieties in Nigeria |
| title_full_unstemmed | Exploring genetic variability, heritability, and trait correlations in gari and eba quality from diverse cassava varieties in Nigeria |
| title_short | Exploring genetic variability, heritability, and trait correlations in gari and eba quality from diverse cassava varieties in Nigeria |
| title_sort | exploring genetic variability heritability and trait correlations in gari and eba quality from diverse cassava varieties in nigeria |
| topic | genetics heritability by-products cassava breeding consumer preferences nigeria |
| url | https://hdl.handle.net/10568/132593 |
| work_keys_str_mv | AT aghoghoci exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT kayondosi exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT maziyadixonb exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT eleblusj exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT asantei exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT offeisamuelkwame exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT parkeselizabethy exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT smithai exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT adesokanm exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT abioyer exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT chijiokealamuugo exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT ogunpaimok exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT kulakowpetera exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT egesic exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT dufourd exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria AT rabbiiy exploringgeneticvariabilityheritabilityandtraitcorrelationsingariandebaqualityfromdiversecassavavarietiesinnigeria |