Rule 307.
Classes of Seed | ||
Factor | Foundation | Certified |
Other varieties (maximum)1 | none | 1.0% |
Isolation 2, 3 | ||
Less than 5 acres (minimum) | 1,320 feet | 330 feet |
More than 5 acres (minimum) | 900 feet | 165 feet |
1 Includes off-type plants.
2 See R 285.623.302 - Isolation.
3 Fields that are used for the production of foundation tall fescue seed shall be isolated a minimum distance of 330 feet from perennial ryegrass.
Classes of Seed | ||
Factor | Foundation | Certified |
Pure seed (minimum) | 98.0% | 98.0% |
Other crops (maximum) | 0.1% | 0.5% |
Inert matter (maximum) | 2.0% | 2.0% |
Weed seed (maximum) | 0.3% | 0.3% |
Prohibited noxious weeds (maximum) none | none | |
Restricted noxious weeds and St. | ||
Johnswart, docks, sheep sorrel, | ||
bedstraw (maximum) | 27 per pound | 45 per pound |
Germination (minimum) | 90.0% |
Mich. Admin. Code R. 285.623.307