GENOTYPE x ENVIRONMENT x MANAGEMENT INTERACTION OF COMMON BEAN (Phaseolus vulgaris L.) ON ACIDIC SOILS OF WESTERN ETHIOPIA

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Abstract:

Common bean is one of the most important cash crops and protein sources for smallholder farmers in many low lands and mid altitude areas of western Ethiopia. Its production is mainly constrained by soil acidity problem. Furthermore, in the past it has been known that bean varieties are highly sensitive to soil acidity and differential interaction of varieties with the environment, while soil acidity management practices have also been practiced. Thus, the present study was aimed to examine the effect of genotype x environment x management interaction on seed yield and yield related traits in common bean and to determine the stability of the genotypes across environment and managements. Fifteen common bean genotypes were tested in 2016 cropping season at four acidic prone areas of western Ethiopia namely Nedjo, Mandi, Bambasi and Assosa using split plot design with lime treated and untreated as main factors and the genotypes as sub-factors. Data collected from each location were analyzed both for individual location as well as across locations. The result revealed that there were significant (p

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GENOTYPE x ENVIRONMENT x MANAGEMENT INTERACTION OF COMMON BEAN (Phaseolus vulgaris L.) ON ACIDIC SOILS OF WESTERN ETHIOPIA

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