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Genetic variability, heritability and genetic advance for yield and yield components in sunflower (Helianthus annuus L.).

Keywords: Sunflower , variability , coefficient of variations , heritability , Genetic advance

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Abstract:

Ten genotypes of sunflower were evaluated in the field following a randomized complete block design with three replications forplant height, stem diameter at base, inter nodal length, head diameter, number of whorls per head, achene weight per head, 100achene weight, achene oil and protein contents. Highly significant differences were observed for all the characters in allgenotypes. Characters like plant height, oil contents, protein contents and achene weight per head showed high heritability withmoderate genetic advance.

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