Sunflower COH3: A high yielding and high oil content sunflower hybrid for Tamil Nadu

Abstract

Development of hybrids in sunflower are increasing recently since, the hybrids are highly self-fertile, stable, high yielding and more uniformity under different climatic conditions. Sunflower hybrid COH 3 (CSFH 12205) have been released during 2018 which is suitable for Tamil Nadu with the duration of 90-95 days. COH 3 hybrid was tested in Station Trials, Multi-Location Trial, AICRP Trials, Adaptive Research Trial and On Farm Trials. It performed well both under rainfed and irrigated conditions. Sunflower COH 3 recorded an average yield of 2214 kg/ha which is 20.5 per cent over Sunbred 275 and hybrid having the yield potential of 2384 kg/ha during Kharif season and 2043 kg/ha during Rabi. COH 3 hybrid possessing high oil content around 42 per cent as compared to check hybrids viz.,Sunbred 275 (38%) and Hybrid CO 2 (39 %) and high volume weight of 47 g/100ml. This hybrid recorded the highest oil yield of 716 kg/ha which is 26.7 and 20.1 per cent over Sunbred 275 (565 kg/ha) and CO 2 Hybrid (596 kg/ha), respectively. Nonlodging hybrid COH 3 having moderate resistance to necrosis, leaf spot and powdery mildew diseases.