Response to Soil Acidity of Common Bean Genotypes (Phaseolus vulgaris L.) Under Field Conditions at Nedjo, Western Ethiopia
Journal Title: STAR Journal - Year 2013, Vol 2, Issue 3
Abstract
Soil acidity has become a serious threat to crop production in most highlands of Ethiopia in general and in the western part of the country in particular. A field experiment was conducted to evaluate soil acidity tolerant on 25 genotypes of common bean (Phaseolus vulgaris L.) on lime treated and untreated acid soils. The genotypes were evaluated based on morpho-agronomic parameters. Soil acidity had an effect on maturity, growth and yield of the tested genotypes. High significant(P<0.01) differences were observed among genotypes for days to maturity, leaf area index, plant height, number of pods per plant, pod length, hundred seed weight, grain yield, pod harvest index and harvest index in lime treated and untreated soils. Considerable variability exists among the genotypes tested based on the growth, and yield components measured for soil acidity tolerance. The genotypes gave higher yield and yield components when grown in lime treated soil than lime untreated with average yield reduction of 26% due to soil acidity effect. Relative grain yield was calculated as the ratio of grain yield in lime untreated to lime treated soil also showed higher significant differences among the tested genotypes. Genotypes such as Dimtu, new BILFA 58, Beshbesh, SER176, new BILFA51 and new BILFA 61 gave higher absolute and relative yield, whereas Dinknesh, Chore, Nasser and new BILFA 60 gave lower absolute grain and relative yield. Moreover, the great variability of 25 common bean genotypes exhibited a good potential to screening large germplasm of common bean for soil acidity tolerance and develop a cultivar that are tolerant to soil acidity in the country.
Authors and Affiliations
Hirpa Legesse| Collage of Agriculture and Natural Resource, Post Box No: 395, Wollega University, Nekemte, Ethiopia, Nigussie-Dechassa R| Department of Plant Sciences, Haramaya University, Post Box No: 138, Dire Dawa, Ethiopia, Setegn Gebeyehu| OA HARO, Post Box No: 25779, Addis Ababa, Ethiopia, Geremew Bultosa| Department of Food Science and Technology, Botswana College of Agriculture, Gaborone, Firew Mekbib| Department of Plant Sciences, Haramaya University, Post Box No: 138, Dire Dawa, Ethiopia
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- EP ID EP9568
- DOI http://dx.doi.org/10.4314%2Fstar.v2i3.98714
- Views 376
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