Abstract
Abstract Genotype–environment interactions, stability and adaptability for plant height, number of pods/plant, number of seeds/plant and seed weight/plant were analyzed by means of the model proposed by Eberhart and Russell (1966) in two cultivars and 22 mutant lines of field peas (Pisum sativum L.). The experimental design was the randomized block with three replicates. The genotypes were evaluated in 3 years. The stability parameters were: regression coefficient, variance due to regression and coefficient of determination. Differences in the response to environment were found among genotypes for the characters studied. The prevalent part of the investigated mutants and both cultivars reveal specific adaptation responding differently to environments, thus representing an initial plant material for developing individual targeted breeding programs.
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