Indo-American Hybrid Seeds [India] Pvt. Ltd. Supplies Hybrid Sunflower Seeds. Seed Laboratory IN07 of the Indo-American Hybrid Seeds [India] Pvt. Ltd. Is based on ISO 25. The Hybrid Sunflower Seeds require 85-90 days for maturity. These seeds are tolerant to rust and downy mildew and have 38-40 percent oil content. Sunflower seeds are rich in vitamin E content and so are used as cooking oil. These seeds are also rich in fibre content, niacin, pyridoxine and pantothenic acid.