Evaluation of Agronomic Traits and Genetic Diversity of Common Bean Genotypes under Irrigated and Rainfed Conditions
Keywords:grain yield, Phaseolus vulgaris L., genetic variability, ISSR marker
This study was conducted to determine agronomic performance of ten commercial common bean varieties (Karaman 2016, Adabeyazı, Akın, Göksun, Bulduk, Akman 98, Zirve, Göynük 98, Özmen and Topçu), and two advanced lines (KF-Arp and KF-Arj) under rainfed and irrigated conditions for two years in a split plot randomized block design with four replications. Özmen, Zirve and Adabeyazı cultivars had the highest grain yields (irrigated conditions; 4152, 4018 and 3691 kg ha–1, rainfed conditions; 1456, 1318 and 1322 kg ha–1, respectively) in terms of grain yield according to the average data of the two years under irrigated and rainfed conditions. Eight Inter Simple Sequence Repeat (ISSR) markers were used to reveal the genetic diversity of the genotypes. The ISSR markers used in the study produced 140 polymorphic alleles, while the allele number per primer was found as 17.5 and the average PIC value was 0.96. A dendrogram was created for common bean genotypes that consisted of two main groups, as Akın was the only cultivar in the first group, and the remaining eleven cultivars were grouped together in the second main group with 11% genetic similarity.
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Copyright (c) 2022 Proceedings of the Bulgarian Academy of Sciences
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