Agricultural Science Digest

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Agricultural Science Digest, volume 22 issue 4 (december 2002) : 219 - 223


D.K. Mishra, D. Roy
1Department of Genetics and Plant Breeding, , G.B. Pant University of Agriculture and Technology, Pantnagar-263 145, India
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Cite article:- Mishra D.K., Roy D. (2024). HERITABILITY ESTIMATES IN DWARF POPULATION OF SUNFLOWER (HELfANTHUS ANNUUS L.). Agricultural Science Digest. 22(4): 219 - 223. doi: .
A comparison of heritability estimates from regression and intra-class correlation analyses in full-sib and half-sib families showed that heritability estimates from regression analysis were lower than intra-class correlation estimates in both types of families. The heritability estimates from half-sib families were higher than full-sib for all the traits, except number of leaves per plant and 100-seed weight. A comparisqn of heritabiiity estimates from offspring-parents, bOP1, bOP2 and bOMP showed that heritability estimates from regression of offspring-mid parent were higher than offspring-one parents. Further, leaf length showed the lowest heritability in regression analysis. The overall results showed that plant height, 100-seed weight and number of leaves per plant showed higher heritability.
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