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Experimental seed treatment

THE EPA recently granted Valent BioSciences an experimental-use permit for using abscisic acid (S-ABA) as a seed treatment. Valent discovered that S-ABA will regulate the natural process of dormancy in seeds and buds. If applied as a seed treatment, it has potential to synchronize male parent flowering with female parent receptivity in a hybrid-seed production field.

The product also may be used to induce cold tolerance in germinating seeds for early planting. Valent's CEO Michael Donaldson says that S-ABA is easier to apply than competing products, which need polymer coatings for flowering delay and cold tolerance.

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