PDFWAC 16-302-455
Seed standards for flax certification.
Standards for each class
Factor | Foundation | Registered | Certified |
Pure seed (min.) | 98% | 97% | |
Inert matter (max.) | 2% | 3% | |
Weed seed (max.)* | .1% | .2% | |
Other crop seed (max.) | .1% | .2% | |
Germination (min.) | 80% | 80% |
* | Flax must be free of prohibited and objectionable noxious weed seed. |