
Rules
LAN CHI TRINH
USDA, AMS, S&T, Seed Regulatory & Testing Division
Resources
AOSA Rules Section 1: Sampling
This section explains the processes of sampling from small and bulk containers. The charts are a reference of how many containers to sample for each lot.
AOSA Rules Section 2.4 Table 2A: Weights for Working Samples
The chart shows analysts the purity and noxious weights to divide down from the working sample. Species are listed alphabetically by scientific names.
AOSA Rules Appendix 4: Common Name List with Equivalent Scientific Names
Reference used to look up a species’ scientific name.
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This document has been prepared by the AOSA and SCST to assist individuals working in the seed industry with understanding the seed testing requirements/ use of the AOSA Rules for Testing Seed for labeling seed for sale in the U.S.
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Suggested purity and/or germination testing methods for species without AOSA Rules testing procedures. The protocols listed are NOT official AOSA Rules methodology.
PLEASE NOTE: The following material represents genera and species that are not covered by AOSA Rules for Testing Seeds. These procedures and information were contributed for the purpose of providing a source of purity and/or germination methods for those species not included in the “Rules”, of which there may be valuable need for. Contributed information is cited by laboratory or publication in “References”. The methods listed are not official AOSA Rules protocols.
These documents should be used appropriately. Some species listed have been added to the Rules since the publication of this document. Any established Rules shall take precedent to any method described here.
Any additional contributions will be greatly appreciated. Please include primary source reference when available.
Original database: Ellen Chirco and Terry Turner. 1986. Species without AOSA Testing Procedures. The Newsletter of the Association of Official Seed Analysts. Vol 60 (2: 2-66).
Original database: Ellen Chirco and Terry Turner. 1986. Species without AOSA Testing Procedures. The Newsletter of the Association of Official Seed Analysts. Vol 60 (2: 2-66).