Field trials have confirmed that SW129 has very sweet leaves with high levels of steviol glycosides, very low bitterness and aftertaste, excellent overwintering, high plant vigor, high leaf yield and is late flowering. SW129 is ideally suited for commercial level stevia extraction due to these enhanced characteristics.

In field trials conducted in Ontario, Oregon, SW129 yielded over 5,000 pounds of leaf per acre per year. In field trials throughout the western United States, SW129 had 98% more Reb-A content and more than a 475% increase in the Reb-A to stevioside ratio, as compared to test samples from a standard stevia variety.

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