Division (a) The crop shall conform to the following standards as regards distances from neighbouring sources of pollen which may result in undesirable foreign pollination.F1
United Kingdom
| Crop | Minimum distance |
|---|---|
| — for the production of basic seed, | |
| — where male sterility is used, | 1 000 m |
| — where male sterility is not used, | 600 m |
| — for the production of certified seed, | 500 m |