Journal of Horticultural Sciences

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Investigations were made on yield and quality in six hybrids of carrot spanning two seasons under Nilgiri hill conditions during the year 2012-2013. The hybrids were evaluated for per se performance, genotypic coefficient of variance, heritability and genetic advance. A high estimate for genotypic coefficient of variation was observed in ischolar_main-splitting percentage, total chlorophyll, ischolar_main carotenoids, leaf carotenoids and ischolar_main-forking percentage in the hybrids, indicating a potential for improvement of these traits by simple selection, in kharif and summer. Leaf and ischolar_main carotenoid content, total chlorophyll, number of leaves and ischolar_main weight exhibited higher values for heritability, coupled with a high genetic advance, revealing these traits to be under the control of gene action. Simple selection can, therefore, effect improvement in these characters.

Keywords

Genetic Variability, Hybrids, Heritability, Genetic Advance.
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