菊花的遗传变异、遗传力及遗传进展评价

Mansi Shingala, K. Kumari, D. Sundesha
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摘要

本试验研究了2020- 2021年Jagudan大学园艺学院园艺与园林系20个菊花(chrysanthemum moriolium Ramat.)品种的遗传变异、遗传力和遗传推进性。各品种在生长、开花、产量和品质参数方面表现出较大的差异,表型变异系数(PCV)大于遗传变异系数(GCV)。植株鲜重的GCV和PCV最高,其次是单株叶数、单株花数、一次枝数、货架期、单株花产量和块地花产量。在单株叶数、开花天数、单株花数、单株花产量和每公顷花产量方面,观察到高遗传率和高遗传进步,占平均值的百分比。此外,这些性状可以通过育种计划进行改良。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assessment of genetic variability, heritability and genetic advance of Chrysanthemum
An experiment was conducted to study genetic variability, heritability and genetic advance among twenty varieties of chrysanthemum (Chrysanthemum morifolium Ramat.) at the College Farm, College of Horticulture, Department of Floriculture and Landscape Architecture, SDAU, Jagudan during 2020-21. A wide variation in performance of the varieties were recorded for various growth, flowering, yield and quality parameters and results shows that magnitude of the phenotypic coefficient of variation (PCV) was higher than genetic coefficient of variance (GCV). High GCV and PCV was recorded for fresh weight of flower followed by number of leaves per plant, number of flowers per plant, number of primary branches, shelf life, yield of flowers per plant and yield of flowers per plot. High heritability along with high genetic advance as per cent of mean was observed for number of leaves per plant, days to full bloom, number of flowers per plant, yield of flowers per plant and yield of flowers per ha. Further, these characters could be exploited for improvement through breeding programme.
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