Photo: A 13th leaf Nonpareil on Krymsk 86 infected by Armillaria mellea (oak root fungus, ORF). The photo was taken by Roger Duncan in 2020 and the tree is still alive as of 2025 (18th leaf).
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Oak Root Fungus: Rootstock Considerations in 2025-2026
Photo: A 13th leaf Nonpareil on Krymsk 86 infected by Armillaria mellea (oak root fungus, ORF). The photo was taken by Roger Duncan in 2020 and the tree is still alive as of 2025 (18th leaf).
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