Abstract
A simple interlinear hybrid of sunflower Surinat was obtained as a part of the breeding and genetic program for developing herbicide-resistant plants. It is highly resistant to the herbicide tribenuron-methyl from the sulfonylurea class. Both parental forms, i.e., the maternal line VA 76 Sur, and the paternal line VA 830 Sur, as well as the hybrid, are homozygous by the Sur gene. The Surinat hybrid belongs to the middle maturity group, has a high yield, resistance to broomrape (races A-E) and downy mildew (race 730), toler-ance to Phomopsis. The period from seedlings ap-pearance to physiological maturity is 120 days, the oil content of seeds 0 47.9 %, yield – 3.41 t / ha. The Surinat hybrid is intended for cultivation in Sumo and ExpressSunтм production systems.
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