This standard specifies the quality grading indicators and evaluation methods of gramineous grass seeds. This standard is applicable to the quality grading of gramineous grass seeds produced, sold and used, and similar species and varieties can be implemented by reference.
GB 6142-2008 Referenced Document
GB/T 2930.1 Rules of seed testing for forage, turfgrass and other herbaceous plant—Sampling*, 2017-11-01 Update
GB/T 2930.2 Rules of seed testing for forage, turfgrass and other herbaceous plant—The purity analysis*, 2017-11-01 Update
GB/T 2930.3 Rules of seed testing for forage, turfgrass and other herbaceous plant—Determination of other seeds by number*, 2017-11-01 Update
GB/T 2930.4 Rules of seed testing for forage, turfgrass and other herbaceous plant—The germination test*, 2017-11-01 Update
GB/T 2930.8 Rules of seed testing for forage, turfgrass and other herbaceous plant—Determination of moisture content*, 2017-11-01 Update
GB 6142-2008 history
2008GB 6142-2008 Quality grading of the grass seeds
1985GB 6142-1985 Qualities grading of main cultivated grasses seeds