Figure 1.
Symptoms of cherry spruce rust observed on spruce cones (Jule 2023; Suwałki Forest District)
Figure 2.
Results of the quality of the seeds assessed
Table 1.
Results of the assessment of Norway spruce crop magnitude in four excluded seed stands in the Suwałki Forest District registered in the Forest Seed Office
| YDa | Number of seed stands | ||
|---|---|---|---|
| 12b | 66a | 80i | |
| 2010 | 1 | 0 | 0 |
| 2011 | 1 | 2 | 1 |
| 2012 | 0 | 2 | 2 |
| 2013 | 2 | 0 | 0 |
| 2014 | 2 | 2 | 2 |
| 2015 | 1 | 1 | 2 |
| 2016 | 2 | 3 | 3 |
| 2017 | 2 | 0 | 0 |
| 2018 | 2 | 0 | 0 |
| 2019 | 3 | 3 | 3 |
| 2020 | 1 | 0 | 0 |
| 2021 | 1 | 1 | 1 |
| 2022 | 1 | 0 | 0 |
| 2023 | 1 | 0 | 0 |
Figure 3.
Dendrogram based on ITS sequences showing the relationships between the T. areolata isolates studied PP309815 (Ta62Su), PP309831 (Ta131Su) and PP309832 (Ta392WPN) and 14 T. areolata isolates from GenBank NCBI derived from different hosts