The Summi hybrid belongs to the mid-early maturity group and is an intensive linoleic sunflower. It can be grown using both conventional technology and Express technology, which involves the use of the herbicide Granstar.
The plant is resistant to broomrape (Orobanche) races A–E. Additional data on plant height, product quality indicators, lodging resistance degree, as well as details of the variety's origin are not available in open sources.
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Countries of admission
1 jurisdiction
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
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