Non-parametric approach for multi-traits-based crop stability assessment inChina aster [Callistephus chinensis (L.) Nees]
DOI:
https://doi.org/10.24154/jhs.v20i2.4146Keywords:
China aster, non-parametric stability index, principal component analysis, venugopalan indexAbstract
An attempt has been made to construct non-parametric stability index, based on 36 different China aster lines evaluated during 2021-2023. Individual trait based parametric stability measures revealed differential ranking of lines across characters. Results based on the combined non-parametric stability measures computed, line 15-41-3, followed by 15-41-1 and 15-41-16 were identified as stable across three years for all the traits evaluated (plant height (cm), plant spread (cm), number of branches per plant, flower diameter (cm), number of flowers per plant, stalk length (cm), and vase life (days). This research calls for constructing non-parametric index for assessing the stability of set of lines collectively based on various traits, evaluated over seasons/years in an experimental set up to have a realistic assessment in studies related crop varietal release.
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Copyright (c) 2025 R Venugopalan, R KUMAR, SISIRA (Author)
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