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Chrysanthemum (Dendranthema grandiflora Tzvelev) belongs to family Asteraceae (Andreson, 1987) and native to northern hemisphere chiefly Europe and Asia. It is national flower of Japan and commonly called as “Queen of the East,” Guldaudi in India and mum in America. The number of species in the genus chrysanthemum varies from 100 to 200. It ranks second after rose in spray and seventh in standard type of flower production. In India during 2016-2017 the area under chrysanthemum was 20090 hectare and production of loose flower was 185240 MT and cut flower was 14930 MT of cut flower (Anonymous, 2018). Total area under chrysanthemum in Himachal Pradesh for cut flower and loose flower production is 67.01ha and 155.10 ha with annual production of 5360 lakh number of cut flower and 3102 thousand MT of loose flower respectively during the year 2018-2019 (Directorate of H.P). An experiment was conducted to study genetic variability, heritability and genetic advance among nineteen genotypes of newly evolved genotypes of chrysanthemum (Dendranthema grandiflora Tzvelev) for cut flower production at the experimental farm of ICAR-IARI Regional Research Station, Katrain, Kullu (H.P) for two successive years during 20172018. A wide range of variation in performance of the genotypes were recorded for various parameters and results shows that magnitude of the phenotypic coefficient of variation (PCV) was higher than Genetic Coefficient of variance (GCV) exhibiting that genotype and environment interaction. High (> 98.09%) PCV and GCV was observed for plant height, plant spread, number of stems per plant, flower diameter, days taken to flowering, duration of flowering, stem length, weight of cut stem, number of flowers per stem. Heritability estimates range from moderate to high i.e. (46.02) days taken to bud formation to plant height (98.09). Estimates of high heritability along with high genetic advance as percent GAM recorded for all vegetative and flowering parameters exhibiting the additive gene effect which could be further used for crop breeding programme. K e y w o r d s

international journal of current microbiology and applied sciences

Assessment of Genetic Variability, Heritability and Genetic Advance of Newly Evolved Genotype of Chrysanthemum (Dendranthema grandiflora Tzvelev) for Cut Flower Production