Progress in Botany Vol.86

40 Years of Tree Biology Research and Method Development for Tree Management in Forests, Cities and Parks (1984-2024).- Transcriptome dynamics in plant reproduction.- Biotechnological production of plant bioactive compounds as a strategy to obtain natural plant biostimulants.- Mutualistic relationships between roots and soil microbes facilitate plant potassium acquisition.- Revisiting paradigms related to root hydraulic limitation under drought.- Compounding effects of heat, drought, and fire increasingly threaten post-calamity recovery and restoration of forests in biomes worldwide.- Four decades of forest development in the context of nitrogen eutrophication and climate change.- Drivers of forest degradation and biodiversity changes in Mongolian forest-steppes during the Holocene.