Sulfonylurea resistant sunflower hybrid Surus

A one-way cross hybrid of sunflower was obtained as part of the genetic program for the breeding of herbicide-resistant plants and is highly resistant to the tribenuron-methyl herbicide from the sulfonylurea class. Both parental forms, i.e. female line VK1-sur and male VK21-sur, as well as a hybrid are homozygous for the Sur gene. Hybrid Surus belongs to the middle maturing group, possesses a high yield, resistance to broomrape (race A-E) and downy mildew (race 330), tolerance to phomopsis. The vegetative period is 120 days till harvest ripeness, oil content of seeds is 50%, and huskiness is 22%. Hybrid Surus is intended for cultivation in the production system of Sumo and ExpressSun