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Research Article |

Analysis of Combining Ability in Western Ethiopian Origin Coffee (Coffea arabica L) for Morphological Characters

The choice of promising genotypes from diverse genetic bases and subsequent utilization of hybrids is one of the breeding strategies to improve productivity. Hence, the present experiment was conducted among elite coffee materials from Western Ethiopia. The data were recorded for five stem-, four branch- and three leaf- characteristics. The analysis of variance revealed highly significant (P<0.001 and P<0.01) differences among the 15 genotypes (5 parents and 10 F1s) for all traits except for total number of nodes, leaf area and number of nodes per primary branch. The combining ability analysis of variance showed significant general (GCA) and specific (SCA) combining ability mean squares for nine out of 12 characters measured, indicating the importance of both additive and non-additive gene actions. Parent P1 consistently exhibited positive GCA effects for nine characters, parent P2 for five characters and parent P4 for seven characters suggesting that these parents are good general combiners. Hybrids P2 x P5, P2 x P4, P2 x P3, P3 x P4 and P1 x P5 were noted with High and positive SCA effects for each character. Therefore, it could be useful to include such potential hybrids in a breeding program and further evaluate their performance for yield and growth characteristics at full full-bearing stage.

Coffee Arabica, Combining Ability, GCA and SCA

APA Style

Geneti, D. (2024). Analysis of Combining Ability in Western Ethiopian Origin Coffee (Coffea arabica L) for Morphological Characters. American Journal of BioScience, 12(1), 8-16. https://doi.org/10.11648/j.ajbio.20241201.12

ACS Style

Geneti, D. Analysis of Combining Ability in Western Ethiopian Origin Coffee (Coffea arabica L) for Morphological Characters. Am. J. BioScience 2024, 12(1), 8-16. doi: 10.11648/j.ajbio.20241201.12

AMA Style

Geneti D. Analysis of Combining Ability in Western Ethiopian Origin Coffee (Coffea arabica L) for Morphological Characters. Am J BioScience. 2024;12(1):8-16. doi: 10.11648/j.ajbio.20241201.12

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This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

1. Ayano Ashenafi, Sentayehu Alamiro and Abush Tasfaye, 2014. Combining Ability for Yield and Morphological Characters in Southwestern Ethiopian Origin Coffee Hybrids. Sky Journal of Agricultural Research Vol. 3(7), pp. 128 – 136.
2. Aga Esayas, 2005. “Molecular genetic diversity study of forest coffee tree (Coffee arabica L.) Populations in Ethiopia: Implications for conservation and breeding.” Doctoral Thesis, Faculty of Landscape planning, Horticulture and Agricultural Science, Swedish University of Agricultural Sciences (SLU). 2005.
3. Babur D, 2009. Effectiveness of farmer field school in promoting coffee management practices: the case of Jima and Sidama Zones. Msc. Thesis presented to school of graduate studies of Haramaya University.
4. Bayetta Bellachew, 1986. Exploration and collection of coffee germplasm from Gambella plain. IAR news letter. Addis Ababa. 1 (2): 3-5.
5. Bayetta Bellachew, 1991. Nursery evaluation of heterosis and combining ability in reference to origin and morphology of parents in coffee (coffee arabica L.) M. sc Thesis, Alemaya University of Agriculture, Alemaya, Ethiopia.
6. Bayetta Bellachew, 2001. Arabica coffee breeding for yield and resistance to coffee berry disease (Colletotrichum kahawae Sp. nov.). A PhD degree thesis submitted to the University of London.
7. Briggs F. N, Allard R. W, 1953. The current status of the backcross method of plant breeding. Agron. J., vol. 45, pp. 131-138.
8. Bunn Ch, 2015. Modelling the climate change impacts on global coffee production. Dissertation for the completion of the academic degree Doctor rerum agriculturarum submitted to the faculty of Life Sciences at Humboldt-Universität zu Berlin.
9. Coste R, 1992. Coffee the Plant and the Product. MacMillan Press, London.
10. CSA, 2016/2017. Report on area and production of crops by Central Statistics Agency agricultural sample survey in 2017/2016, Addis Ababa, Ethiopia.
11. Davis A. P, Gole T. W, Bean S and Moat J, 2012. The impact of climate change on natural populations of Arabica coffee: Predicting future trends and identifying priorities. PLoS ONE, 7(11): e47981.
12. Ermias Habte, 2005. Evaluation of Wellega coffee germplasm for yield, yield component and resistant to coffee berry disease at early bearing stage. An MSc thesis submitted to school of graduate studies of Alemaya University 69 p.
13. Falconer DS, Mackay FC, 1996. Introduction to quantitative genetics. Longman, New York.
14. Gardner C. O and Eberthart S. A, 1966. Analysis and interpretation of the variety cross diallel and related population. Biometrics 22: 439-452.
15. Gichuru EK, Agwanda CO, Combes MC, Mutitu EW, Ngugi ECK, Bertrand B, Lashermes P, 2008. Identification of molecular markers linked to a gene conferring resistance to coffee berry disease Colletotrichum kahawae in Coffea arabica. Plant Pathology, 57: 1117-1124.
16. Griffing B, 1956. Concept of general combining ability and specific combining ability in relation to diallel crossing system. Australia Journal Biological Science, 9: 463-493.
17. Mathure P. N, and Mathur J. R, 1983. Combining ability for yield and its components in pearl millet. Indian Journal Genetics in Plant Breeding, 43: 299-303. Meloidogyne incognita in Ethiopian Coffea arabica accessions. Euphytica 118: 1-8.
18. Mesfin Ameha and Bayetta Bellachew, 1982. “Resistance of the F1 to coffee berry disease in six parent diallel crosses in coffee.” 1984. P. 107-117. In: Proc. 1st Reg. workshop “coffee berry disease”, 19-23 July 1982, Addis Ababa.
19. Mesfin Ameha, 1988. Recommendation Adoption and impact of Improved Coffee Production Technologies in the Western Region of Ethiopia. pp. 136-141. In: 20th NCIC, 28-30 Mar 1988, Addis Ababa.
20. Sprague G. F and Tatum L. A, 1942. General versus specific combining ability in single crosses of corn. Journal of American Society Agronomy, 34: 923-932.
21. Veddeler D, Olschewski R, Tscharntke T. & Klein A. M, 2008. ‘The contribution of non-managed social bees to coffee production: new economic insights based on farm-scale yield data’. Agro forestry Systems, 73: 109–114.
22. Vega FE., Ebert AW., Ming R.. 2008. Coffee germplasm resources, genomics, and breeding. Plant Breed Rev.; 30: 415-447p.
23. Wassu Mohammed, 2004. Heterosis and combining ability analysis of yield and yield related traits in coffee (coffee arabica L.). M. sc Thesis, Alemaya University of agriculture, Alemaya, Ethiopia.
24. Workafes W, Kassu K, 2000. Coffee production system in Ethiopia. Pp 90-106. In: Proceedings of work-shop on control of coffee berry disease in Ethiopia. 13-15th. August 1999, Addis Ababa, Ethiopia.
25. Ysdav B, Tygi C. S and Sngh D, 1998. Genetics of transgressive segregation for yield and yield components in wheat. Annals of Applied Biology, and international journal of the aab, 133 (2): 227 – 235.
26. Zhou. L, Vega FE., Tan H., Lluch AER., Meinhardt LW., Fang W., 2016. Developing Single Nucleotide Polymorphism (SNP) Markers for the Identification of Coffee Germplasm. Trop Plant Biol.; 9: 82-95. DOI: 10.1007/s12042-016-9167-2.