GENETIC ANALYSIS OF YIELD AND YIELD RELATED TRAITS IN SUNFLOWER (Helianthus annus L.) HYBRIDS
Sunflower originated from Latin America, has become the major oil crop world wide. It is also an important edible oil crop in Pakistan. Major research has been conducted regarding genetic variance in sunflower. Sunflower hybrids are a focal point in contemporary research. The main aim of conducting this study was to evaluate the performance of selected hybrids for different parameters regarding yield and related traits Desired study was conducted at Agriculture Research Institute (ARI) Quetta during the period of April to August 2009.. Data was collected from ten hybrids of diverse origin; hybrids were US-666, FSS-64, Sierra, Barracuda, Roshan, FH-385, NK-S-278, VDH-487, Blazer-CL, Ausigold-61. Eight traits were observed for these hybrids, including days to flower initiation and completion, days to maturity, head diameter, plant height, 100 seed weight, number of leaves per plant and oil contents. Correlation along with heritability and genetic advance was determined for selected traits. On the basis of over all mean performance hybrid Blazer-CL was found best among all the selected hybrids. Using Anova significant difference was found for all the traits observed. High broad sense heritability and high genetic advance was recorded for most of the studied traits. Mostly positive and significant correlation was found among the observed traits.