PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Interstate Seed Co.
also searched as: ис 7775
10 August 2026
The IS 7775 hybrid appeared in US experimental station reports in the 1970s. During the 1979 trials, the average crop yield was 1610 lbs/acre with an oil content of 39.2%.
The biological characteristics of the variety allowed for defoliation in late August followed by harvesting in mid-September. Current data on the commercial use of this hybrid are unavailable; it was mentioned in historical lists of varieties approved for seed certification.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 19810105
Records are sourced from official registry publications. Data sources and legal status
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Same species
Helianthus annuus L. · Sunflower
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Interstate Seed Company (US)
Helianthus annuus L. · Sunflower
Interstate Seed Co.
Helianthus annuus L. · Sunflower
Interstate Seed Co.
Nearby in the species list IS 48065, IS 5507, IS 5518, IS 6001, IS 61080, IS 65080, IS 7000, IS 7101, Is 7111, IS 7116, IS 7775 S, IS 8004, Is 8101, IS 894 HIBRIDO, IS 8941 HIBRIDO, IS 8944 HIBRIDO, IS 907, IS 907 E, IS-PRO-521, IS-SU001