Heterosis for agronomically important traits in sunflower (Helianthus annuus L.)
2007
Hladni, N. | Skoric, D. | Kraljevic-Balalic, M. | Sakac, Z. | Miklic, V., Institute of Field and Vegetable Crops, Novi Sad (Serbia)
The following can be concluded on the study results: There were signficant differences among the studied genotypes (inbred lines and hybrids) in the mean values of yield per plant, total seed number per head, and 1,000-seed weight; In all the hybrid combinations, heterosis values for the traits under study were highly significant both relative to parental average and relative to better parent; Heterosis values relative to better parent (H1) differed significantly from those relative to parental average (H2) for all the traits; The development of hybrids with a high genetic potential for seed yield requires information on the manifestation of heterosis for agronomically important traits in the F1 generation; The findings of this study may be of signficance in the development of new high-yielding sunflower genotypes.
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