Abstract
In breeding process it is important to know the extent of association between the traits that affect the yield. Objective of this study was to determine genotypic and phenotypic correlation and path coefficients in 50 sunflower hybrid combinations in order to identify research priorities in sunflower breeding. Relationships between seed yield and five bio-morphological traits in sunflower (oil content, protein content, 1,000-seed weight, head diameter and plant height) were studied. Head diameter had the highest correlation coefficient with seed yield, at phenotypic and genotypic level. Path analysis revealed that all evaluated traits had positive influence on seed yield at both, genotypic and phenotypic, levels. The highest direct effect on seed yield was found for head diameter, while protein content had the lowest direct effect on seed yield. Study has shown that the greatest improvement in sunflower seed yield can be achieved through selection on head diameter.
Funding statement: Funding: This work was funded by the Ministry of Education, Science and Technological Development of the Republic of Serbia.
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©2015 by De Gruyter
Articles in the same Issue
- Frontmatter
- Recent Changes in the Pathogenic Variability of Plasmopara Halstedii (Sunflower Downy Mildew) Populations from Different Continents
- Root System, Phenology and Yield of Sunflower in Relation to Nitrogen and Phosphorus
- Evaluation of Sunflower (Helianthus annuus L.) Hybrids Using Multivariate Statistical Analysis
- Biomorphological Association and Path Analysis in Sunflower (Helianthus annuus L.)
- Correlation and Path Analysis in Sunflower (Helianthus annuus L.)
- Pollen Selection for Drought Tolerance in Sunflower
- The Effect of Climate, Nitrogen and Micronutrients Application on Oiliness and Fatty Acid Composition of Sunflower Achenes
- Germination and Seedling Growth Response on Sunflower Seeds to Priming and Temperature Stress
- Response of Sunflower to Rainwater Conservation and Nutrient Management in Semi-arid Conditions
Articles in the same Issue
- Frontmatter
- Recent Changes in the Pathogenic Variability of Plasmopara Halstedii (Sunflower Downy Mildew) Populations from Different Continents
- Root System, Phenology and Yield of Sunflower in Relation to Nitrogen and Phosphorus
- Evaluation of Sunflower (Helianthus annuus L.) Hybrids Using Multivariate Statistical Analysis
- Biomorphological Association and Path Analysis in Sunflower (Helianthus annuus L.)
- Correlation and Path Analysis in Sunflower (Helianthus annuus L.)
- Pollen Selection for Drought Tolerance in Sunflower
- The Effect of Climate, Nitrogen and Micronutrients Application on Oiliness and Fatty Acid Composition of Sunflower Achenes
- Germination and Seedling Growth Response on Sunflower Seeds to Priming and Temperature Stress
- Response of Sunflower to Rainwater Conservation and Nutrient Management in Semi-arid Conditions