TY - RPRT TI - T50 as a proxy of PS II heat tolerance: time dependence, differences in calculation methods and implications for its suitability to assess the heat tolerance of tree species AU - Hauck, M. AU - Dulamsuren, C. PY - 2026 DO - 10.64898/2026.07.24.740464 UR - https://www.biorxiv.org/content/10.64898/2026.07.24.740464v1 ID - 10.64898/2026.07.24.740464 ER -