, Volume 111, Issue 3, pp 185–190 | Cite as

Evaluation of genotype, environment, and genotype-by-environment interaction for capsaicinoids in Capsicum annuum L.

  • Yayeh Zewdie
  • Paul W. Bosland


The response, in terms of capsaicinoid content, of chile (Capsicum annuum L.) genotypes to different environments was studied. Double haploidlines, an F1 hybrid, and an open-pollinated cultivar estimated the genotype, environment, and genotype-by-environment interaction effect on the total capsaicinoids and on individual capsaicinoids. Significant differences were observed among the genotypes and among genotype-by-environment interactions over the environments. Among the genotypes in an environment, the within-genotype variances were also significantly different. The double haploid line, HDA 207, had low within-genotype variance for individual and total capsaicinoids, with the exception of the isomer of dihydrocapsaicin. Also for HDA 270, the genotype-by-environment interaction was negligible for individual and total capsaicinoids, Indicating stability across environments.

chile double haploid pepper pungency stability within-genotype variance 


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Copyright information

© Kluwer Academic Publishers 2000

Authors and Affiliations

  • Yayeh Zewdie
    • 1
  • Paul W. Bosland
    • 1
  1. 1.Department of Agronomy and HorticultureNew Mexico State UniversityLas Cruces

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