Abstract
In 2017, a study at the Oil Seeds Research Section in Tandojam analyzed growth and yield across eight sunflower genotypes: Corolla, Melbour, Vulgare, Turkish, Samson-30, Sputnik, HO-1, and Parson. Using a randomized complete block design with three replications, significant variations were discovered in days to flowering and maturity, plant height, head diameter, number of seeds per head, seed yield, and seed index, emphasizing the distinct performance of each genotype. Advanced genotypes like Sputnik and HO-1 required more days to flower, with Parson and Sputnik showing the latest maturity. Turkish plants were notably taller, while Parson had the shortest stature. Parson and HO-1 stood out with larger head diameters and higher seed indexes, with Parson also leading in seed yield, suggesting their high breeding value. Positive correlations among various growth and yield parameters underscore the potential of these genotypes in breeding programs aimed at improving sunflower yields. This concise analysis highlights the diversity and breeding prospects within sunflower genotypes, offering valuable insights for future genetic improvement efforts.
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