1991-1999
1991
Stine Seed Company is the largest domestic, privately owned seed company in the United States. Dealers now market soybeans, hybrid seed corn and soft red winter wheat. Stine‘s retail program is the 4th largest marketer of soybeans in the United States. At this point, 150,000 soybean lines are tested each year. Soybeans developed by Midwest Oilseeds are sold under 160 different brand names. Stine 2250 Brand soybeans are introduced. These genetics, along with associated sister lines, were unmatched in the 2.5 maturity and cemented Stine‘s status as the soybean yield leader. Stine 2250 would go on to become the most widely planted group II soybean genetics ever.
1992
Stine Seed Company is one of the top four companies in the United States selling soybean seed. Stine begins selling corn, and soft red winter wheat this year.
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1994
Stine Seed Company becomes the first company in United States history to receive a patent on soybean varieties. Patents are granted on two soybeans: Stine 1570, patent #5304728 and Stine 2550, patent #5304729. These patents protect the seed, plant, pollen and ovule. These patents are a main part of Stine‘s emphasis on breeding and developing the highest yielding soybean genetics in the world.
1995
Stine Biotechnology opens in Ames, Iowa. Its main focus is to develop a proprietary method for inserting genes into plants.
1997
Stine Seed Company enters into a non-exclusive agreement with Monsanto Agricultural Products and Asgrow Seed Company. The agreement is designed to further improve and develop soybean genetics and product-development technologies. As a result of the agreement, farmers will have access to the best seed products available in a wider choice of brands, since these technologies will end up not only in Stine branded products but also in seedstock developed by Stine, which is licensed to other companies.
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1999
Adding to its offerings on the service side, Stine Seed Company begins its agronomy services program. Stine agronomists’ duties include troubleshooting farmer issues, hosting educational meetings for growers and disseminating information regarding Stine Seed Company products.


