Leader: Tālis Gaitnieks Start date: 11.04.2011 End date: 01.12.2015 Study supported by the JSC Latvia's State Forests Project staff Natālija Burņeviča Tālis Gaitnieks Kristīne Kenigsvalde Publications Gaitnieks T., Zaļuma A., Kenigsvalde K., Kļaviņa D., Brauners I., Piri T. 2019. Forests, 10(6), 521 Susceptibility of small-diameter Norway spruce understory stumps to Heterobasidion spore infection DOI: 10.3390/f10060521