Table 23-2. Field standards in Oregon.
Class of seed produced |
Maximum permitted for other cultivars† |
Isolation < 2 ha |
Isolation > 2 ha |
Foundation |
none |
290 m (900 ft) |
290 m (900 ft) |
Registered |
0.5% |
215 m (660 ft) |
98 m (300 ft) |
Certified |
1.0% |
107 m (330 ft) |
53 m (165 ft) |
† Includes off-type plants.
<--Paddock (Field) Selection |