PDFWAC 16-302-545
Seed standards for white clover and trefoil seed certification.
Seed standards for the production of white clover and trefoil seed are as follows:
(1) part i of table
white clover | |||||
Found. | Reg. | Cert. | |||
Pure Seed | (Min.) | 98.0% | 99.0% | 99.0% | |
Other Crop | (Max.) | 0.1% | 0.2% | 0.5% | |
Inert | (Max.) | 2.0% | 2.0% | 1.0% | |
Weed Seed | (Max.) | 0.2% | 0.25% | 0.3% | |
Sweet Clover | (Max.) | 9/lb | 90/lb | ||
Objectionable Weed Seeds | (Max.) | none found | 45/lb | 90/lb | |
Germination (Germination + Hard Seed) | (Min.) | 85.0% | 85.0% | 85.0% | |
or Tetrazolium (Minimum total tetrazolium and hard seeds) | 87.0% | ||||
part ii of table
trefoil | |||||
Found. | Reg. | Cert. | |||
Pure Seed | (Min.) | 98.0% | 98.0% | 99.0% | |
Other Crop | (Max.) | 0.1% | 0.25% | 0.3% | |
Inert | (Max.) | 2.0% | 1.0% | 1.0% | |
Weed Seed | (Max.) | 0.1% | 0.25% | 0.3% | |
Sweet Clover | (Max.) | None found | 9/lb | 90/lb | |
Objectionable Weed Seeds | (Max.) | None found | 45/lb | 90/lb | |
Germination (Germination + Hard Seed) | (Min.) | 85.0% | 85.0% | 85.0% | |
or Tetrazolium (Minimum total tetrazolium and hard seeds) | 87.0% | ||||
(2) White clover and trefoil seed must be free of prohibited noxious weed seeds and foundation class must be free of Brassica spp.