Open Access
Table 1
Resistance of sunflower lines Groups to downy mildew (VNIIMK, Krasnodar, Russia).
| Group | Average percent downy mildew infection | ||||
|---|---|---|---|---|---|
| 2016 | 2017 | 2018 | 2019 | 2020 | |
| Group 1 (without major genes for resistance) |
21 | 22 | 6.6 | 0.9 | 0.8 |
| Group 2 (resistant to race 330) |
30 | 24 | 6.4 | 1.6 | 0.9 |
| Group 3 (resistant to a mixture of races (330, 710 and 730) |
2 | 1 | 2 | 0 | 0 |
| Group 4 (with Pl15 gene) |
0 | 0 | 0 | 0 | 0 |
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