Heritability, Genetic Advance and Correlation of Some Traits in Six Sunflower Generations (Helianthus annuus L.)

Authors

  • Amin El Sir A. Damazin Agricultural Research Station, P.O. Box 128 Damazin, Sudan
  • Abubaker A. Abdallah Damazin Agricultural Research Station, P.O. Box 128 Damazin, Sudan
  • Ezeldeen A. Banaga Damazin Agricultural Research Station, P.O. Box 128 Damazin, Sudan
  • Mohamed Y. M. Gezira Agricultural Research Station, P.O. Box 126 Wad Medani, Sudan

Keywords:

Sunflower,, heritability, estimates, correlation, genetic advance

Abstract

The experiment was conducted at Gezira Agricultural Research Station Farm (GARSF), Wad Medani, Sudan, over two seasons summer and winter (2004/2005) to study heritability, genetic advance and correlation for 12 traits namely, plant height, days to 50% flowering, days to maturity, leaf area, stem diameter, head diameter, seed number / head, percentage of empty seed, percentage of filled seed, percentage of seed set, harvest index,100 - seed weight and seed yield / plant of six sunflower generations. The broad sense heritability (h2 B) estimates ranged from 27.27% to 90.09% in summer and from 31.0% to 85.7% in winter. The narrow sense heritability (h2 N) estimates ranged from 0.91% to 39.66% in summer and from 0.61% to 74% in winter. The genetic advance for all traits was expressed as the percentage of the mean GA%, where it ranged from 11% to 77% in summer and from 12.2% to 79.1% in winter. Positive significant correlation was observed between seed yield / plant in one side with plant height, leaf area, head diameter, seed weight, stem diameter and harvest index in the other side. 

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References

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Published

2016-03-31

How to Cite

Sir A., A. E., Abdallah, A. A., Banaga, E. A., & Y. M., M. (2016). Heritability, Genetic Advance and Correlation of Some Traits in Six Sunflower Generations (Helianthus annuus L.). International Journal For Research In Agricultural And Food Science, 2(3), 01–13. Retrieved from https://gnpublication.org/index.php/afs/article/view/344

Issue

Vol. 2 No. 3 (2016): International Journal For Research In Agricultural And Food Science

Section

Articles

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