Evaluation of some sunflower genotypes for agronomic traits and oil quality
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Khaled Mohamed Aboelkassem
Abstract
The present investigation was carried out to evaluate agronomic performance and oil quality of seven sunflower genotypes at Shandaweel Research Station, Agricultural Research Center, Sohag, Egypt during 2018 and 2019 summer seasons. These genetic materials were sown in a randomized complete block design having three replications. Significant genetic variations among evaluated sunflower genotypes for agronomic traits and oil quality were observed. The superior sunflower genotypes were Line 120 for seed yield per hectare (3102.38 kg), Sakha 53 for seed oil content (44.63 %) and Line 125 for oil quality where it contained the highest proportion of unsaturated fatty acids (89.20 %). The phenotypic coefficients of variation were slightly higher than genotypic coefficients of variation for all studied traits. High heritability (exceeded 60%) and genetic advance as percent of mean (ranged from medium to high, exceeded 10%) was observed for most studied traits. Seed yield per plant positively correlated with plant height, stem diameter, head diameter, and 100-seed weight and most chemical traits at phenotypic and genotypic levels. Maximum phenotypic direct effects on seed yield per plant were observed for 100-seed weight, head diameter and total unsaturated fatty acids. While, the highest genotypic direct effect on seed yield per plant was observed for head diameter. Hence, most studied traits could be employed as selection criteria for improving evaluated sunflower genotypes.
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
- Frontmatter
- Research Articles
- Dynamics of change in broomrape populations (Orobanche cumana Wallr.) in Romania and Russia (Black Sea area)
- Evaluation of staygreen sunflower lines and their hybrids for yield under drought conditions
- Evaluation of some sunflower genotypes for agronomic traits and oil quality
- Effect of different types of soil tillage for sunflower on some soil physical characteristics. Part I: soil moisture
- Foliar fertilization of organic sunflower, enhanced yield components and seed yield in the humid tropics
- Readiness of food producers to reflect regions in their names and trademarks: a perspective for regional branding with sunflower oil
- Management approaches for sustainable growth in Moldova’s Sunflower Sector
- Review
- Dynamics of export potential of sunflower oil in Ukraine
Articles in the same Issue
- Frontmatter
- Research Articles
- Dynamics of change in broomrape populations (Orobanche cumana Wallr.) in Romania and Russia (Black Sea area)
- Evaluation of staygreen sunflower lines and their hybrids for yield under drought conditions
- Evaluation of some sunflower genotypes for agronomic traits and oil quality
- Effect of different types of soil tillage for sunflower on some soil physical characteristics. Part I: soil moisture
- Foliar fertilization of organic sunflower, enhanced yield components and seed yield in the humid tropics
- Readiness of food producers to reflect regions in their names and trademarks: a perspective for regional branding with sunflower oil
- Management approaches for sustainable growth in Moldova’s Sunflower Sector
- Review
- Dynamics of export potential of sunflower oil in Ukraine
