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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Variability of quantitative Traits in Limmu Coffee (Coffea arabica L.) in Ethiopia
International Journal of Agricultural Research, Volume 6, No. 6, Year 2011
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Description
The aim of this study was to estimate the extent of genetic variation and association among yield and yield-related traits. Forty nine Coffea arabica accessions from Limu (Jimma, Ethiopia) were tested at Agaro Agricultural Research Sub Center, Ethiopia from 2004 to 2009 in simple lattice design with two replications. Variances component method was used to estimate genetic variation, broad sense heritability and genetic advance. Association of traits was also estimated using standard method. The germplasm accessions differ significantly for most of the traits. Relatively high phenotypic (45.11 and 30.18%) and genotypic coefficient of variation (25 and 24.90%) were observed for yield and number of secondary branches in the order of magnitude. Hundred bean weight (81.13%) showed the highest heritability. Yield per plant showed significant positive phenotypic correlation with percentage of bearing primary branches (r = 0.53) while it revealed significant positive genotypic correlation with bean width (r = 0.47), fruit length (r = 0.61), hundred bean weight (r = 0.59), plant height (r = 0.28), canopy diameter (r = 0.29), leaf length (r = 0.30) and percent of bearing primary branches (r = 0.62). Over all, the study confirmed the presence of trait diversity in Limu coffee accessions and this could be exploited in the genetic improvement of the crop through hybridization and selection. © 2011 Academic Journals Inc.
Authors & Co-Authors
Kitila, Olika
Ethiopia, Jimma
Jimma University
Alamerew, Sentayehu
Ethiopia, Jimma
Jimma University
Kufa, Taye
Ethiopia, Jimma
Jimma Agricultural Research Center
Garedew, Weyessa
Ethiopia, Jimma
Jimma University
Statistics
Citations: 40
Authors: 4
Affiliations: 2
Identifiers
Doi:
10.3923/ijar.2011.482.493
ISSN:
18164897
Research Areas
Genetics And Genomics
Study Approach
Quantitative
Study Locations
Ethiopia