Effect of the Environment on the Adaptability of Biofortified Bean Genotypes in the Eastern Democratic Republic of Congo: Case of South Kivu (original) (raw)

2015

Abstract

Faced with climatic, soil deterioration and technical constraints, bean production is low and very variable in space and time. The selection of the best performing genotypes is faced with the presence of significant interaction between genotype x environment which significantly reduces effectiveness. An experiment following a randomized complete block design was conducted during two cultural seasons B2012 and B2013 in 3 edaphoclimatic characteristic sites in eastern Democratic Republic of Congo: Luvungi, Kashusha and Bitese and aimed to analyze the interaction genotype x environment yield of six biofortify bean genotypes, in order to identify the best in these ecosystems. Germination rate, day number to the flowering stage, days number to the physiological maturity stage, harvested plants number, pods per plant number, number of seeds per pod, weight of 100 seeds were observed. The interaction was analyzed using AMMI model and typological with by the Chord similarity indices. On one...

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