AOSCAAssociation of Official Seed Certifying Agencies
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Practical acceptable low level tolerances for impurities such as variety off types weeds and inert materials have been established for many crop products and are managed within process-based strategies such as the Certified Seed (AOSCA 2003) and the National Organic Program (NOP) (USDA 2005a; USDA 2005b).
Paul, MN) in transparent acrylic containers (24.0 by 16.5 by 4.0 cm) following standard germination procedures described by AOSCA Rules for Testing Seed (Association of Official Seed Certifying Agencies, 1988).
This class of prevariety germplasm is eligible for seed certification under guidelines developed by the Association of Official Seed Certifying Agencies (AOSCA, 2001).
In the USA, the Association of Official Seed Certifying Agencies (AOSCA), the recognized expert body, sets "the minimum standards for genetic purity and identity and recommended minimum standards for seed quality for the classes of certified seed" (AOSCA website,; verified 5 September 2003).
This germplasm qualifies for commercial production in accordance with the "Tested Class Pre-variety Germplasm Certification Standards" adopted by the Association of Official Seed Certifying Agencies (AOSCA, 2001).
He represented USDA on the AOSCA National Soybean Variety Review Board from 1990 to 1995 and is currently the CSSA representative on this board.
The percentage of normally germinating seeds, determined at 20 [degrees] C by standard seed quality testing procedures (AOSCA, 1991), was approximately 80% and did not differ among the cultivars (data not shown).