ADAPTATION AND STABILITY OF FIELD PEAS (Pisum sativum L.) CULTIVARS | Journal of Global Agriculture

From 2012 to 2014, a small-plot field trial was conducted using five field pea (Pisum sativum L.) cultivars from Ukraine and Bulgaria. The examined pea cultivars' performance, adaptability, and stability were evaluated in terms of seed production (kg da-1) and yield components. There was a substantial genotype-environment interaction for the parameters plant height, pods per plant, seeds per plant, seed weight per plant, 1000 seed weight, and seed yield, indicating that various genetic processes are involved in their control. The genotype Svit was stable and widely adapted, according to the models utilised in this study. In excellent settings, the genotypes Kamerton and Glyans were well adapted to seed yield. They are susceptible to changes in the environment. Pleven had the lowest score, indicating that seed yield did not rise as the environmental index climbed. For seed weight per plant, 1000 seed weight, and grain yield, Glyans was classed as a cultivar with high general adaptability. Kamerton and Modus were categorised as having above-average adaptability for practically all parameters, however Pleven 4 was classed as a poorly adapted cultivar for seed weight per plant, 1000 seed weight, and seed output. Because the genotypes showed particular adaption ability to various environments, they are of importance for breeding programmes as starting plant material for combinative selection.

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