Mild heat stress did not affect foliage photosynthetic characteristics but severe heat stress lead to irreversible photosynthetic reductions.
Severe heat stress resulted in changes in emissions of mono- and sesquiterpenes immediately after heat stress and during recovery.
Heat stress lead to a sharp decline in the expression of β-phellandrene and (E)-β-caryophyllene/α-humulene synthase activity followed by a full recovery in leaves treated by mild heat stress.