ESTIMATION OF VARIABILITY ANALYSIS PARAMETERS FOR MAJOR GROWTH AND FLOWERING TRAITS OF Lilium leichtlinii var. maximowiczii GERMPLASM

Rameshwar  Rai; Viet Yen  Nguyen; Jong Hwa  Kim

doi:10.18006/2021.9(4).457.463

Authors

Rameshwar Rai College of Agriculture and Life Sciences, Department of Horticulture, Kangwon National University(KNU), Chuncheon 24341, Korea https://orcid.org/0000-0002-1172-558X
Viet Yen Nguyen College of Agriculture and Life Sciences, Department of Horticulture, Kangwon National University(KNU), Chuncheon 24341, Korea
Jong Hwa Kim Oriental Bio-herb Research Institute, Kangwon National University, Chuncheon 24341, Korea https://orcid.org/0000-0002-9300-6465

DOI:

https://doi.org/10.18006/2021.9(4).457.463

Keywords:

Lilium leichtlinii var. maximowiczii, Analysis of Variance (ANOVA), Germplasm, Heritability, Variability parameters

Abstract

This experiment was carried out to evaluate the Lilium leichtlinii var maximowiczii germplasm collected from the different natural habitats from all over Korea. In total 30 accessions were studied for nine traits viz. plant height, leaf length, leaf width, the numbers of flowers, flower diameter, length of outer tepal, width of outer tepal, the number of leaf burn, and days to flowering in randomized block design with three replications. The ANOVA revealed highly significant variability prevailing among the investigated genotypes for almost all studied traits (except leaf width). The higher estimated value of GCV, PCV, heritability (H²), and genetic advance as percent of the mean was obtained for the number of flowers and leaf burn. The moderate to high GCV and PCV coupled with higher heritability estimates (H²) and GAM were found for plant height and flower diameter. Progeny selection would be effective as the prevalence of additive gene effect for these traits. Besides, leaf width, leaf length, length of outer tepal, the width of outer tepal, and days to flowering traits were possessed moderate to low GCV and PCV value coupled with the moderate value of heritability estimate with the low level of GAM proved to be the prevalence of non-additive genetic effect thereby indicating the necessity of alternative breeding approach for these traits improvement and breeding scheme. For the former group of traits breeding hybridization and selection would be an effective method, and primarily mean performance of these traits would be very handy for the decision of selection.

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