Table 1 Class of wilting of nematode-infested seedlings
Wilt class | Physiological condition of seedlings |
|---|---|
0 | Healthy |
1 | Yellowing of needles up to 25% |
2 | Yellowing of needles up to 50 % |
3 | Yellowing of needles up to 75 % |
4 | Yellowing of needles up to 95 % |
5 | Yellowing of needles up to 100% |