OAR 603-056-0170: Procedures and Tolerance Standard for Endophyte Fungus Testing

(1) Sampling of forage grass seed shall be performed by the Department on a random basis so as to obtain a representative sample of the lot of seed. Sampling procedures shall be consistent with those set forth in the Joint Rules and Regulations for the Enforcement of the Federal Seed Act, 7 CFR SS201.201–201.230. (2) Testing of forage grass seed samples shall include the seed staining technique or other scientifically recognized diagnostic tests for the presence of endophyte fungus in grass seed. Testing shall be performed by the Department, or in whole or in part by such other cooperating agency it may designate. (3) A forage grass seed sample shall be considered satisfactorily tested for endophyte fungus, Epichloe typhina (Acremonium coenophialum), or the metabolites thereof, if the test of the seed sample indicates a level of five percent or less.