Tropical forest trees with higher thermal optima of photosynthesis exhibit lower PSII heat stability.

J Exp Bot · 2026 · PMC13187655 · PMID 41593897

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did not reach statistical significanceno p-value reported

By contrast, the thermal optimum of the ETR ( T opt,ETR ) exhibited only a weak negative trend with PSII thresholds ( T 5 , T 50 ) that did not reach statistical significance.

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