2 Va. Admin. Code § 10-10-120
C. Field standards.
1. Field inspection.
2. Isolation.
b. The following isolation requirements shall be met when any other strain or strains of the species is in bloom at the same time.
| Border to be Removed *-Feet ** | Minimum Isolation - Feet | ||
| Foundation | Registered | Certified | |
| 0 | 900 | 300 | 165 |
| 9 | 600 | 225 | 100 |
| 15 | 450 | 150 | 75 |
| *When a border is to be removed, such removal shall not occur until pollination of the crop to be certified is completed. | |||
| **When different classes of seed of the same variety are being grown on the same or adjacent fields, the isolation requirements may be reduced to 25% of that shown in the above table. |
3. Specific.
| Maximum Permitted Ratio of Plants | |||
| Foundation | Registered | Certified | |
| Other Varieties | 1:1,000 | 1:100 | 1:50 |
D. Seed standards.
| Foundation | Registered | Certified | ||
| Pure Seed (minimum) | ||||
| Tall Fescue | 98.5% | 98.5% | 98.5% | |
| Orchardgrass | 90.0% | 90.0% | 90.0% | |
| Inert Matter (maximum) | ||||
| Tall Fescue | 1.5% | 1.5% | 1.5% | |
| Orchardgrass | 10.0% | 10.0% | 10.0% | |
| Other Crops (maximum) | ||||
| **Tall Fescue | 0.25% | 0.25% | 0.50% | |
| **Orchardgrass | 1.00% | 1.00% | 2.00% | |
| Other Grasses (maximum) | 0.10% | 0.10% | 0.25% | |
| Weed Seed (maximum) | 0.30% | 0.30% | 0.50% | |
| ***Objectionable Weeds (maximum) | 1 per oz. | 1 per oz. | 1 per oz. | |
| Germination | ||||
| Tall Fescue | *N.S. | 80.0% | 80.0% | |
| Orchardgrass | *N.S. | 85.0% | 85.0% | |
| *N.S. - No standard. | ||||
| **Not to exceed .25% of other grasses of which not more than 0.1% may be rye grass. No rye grass allowed in registered seed. | ||||
| ***Wild onion bulblets and wild garlic bulblets and wild mustard are permitted to the extent indicated. |
§§ 3.2-4024 of the Code of Virginia.
Derived from VR172-01-01 § 9, eff. April 1980.