Section I DEGREE OF RESISTANCE
United Kingdom
The degree of susceptibility of potatoes to potato cyst nematodes shall be quantified according to the following standard scoring notation as referred to in Article 9(2).
The score 9 indicates the highest level of resistance.
| Relative susceptibility (%) | Score |
|---|---|
| < 1 | 9 |
| 1,1-3 | 8 |
| 3,1-5 | 7 |
| 5,1-10 | 6 |
| 10,1-15 | 5 |
| 15,1-25 | 4 |
| 25,1-50 | 3 |
| 50,1-100 | 2 |
| > 100 | 1 |