Isoprene emission is increased with light intensity, leaf temperature and photosynthesis rate. Stomatal conductance and isoprene emission have shown no positive relationship.

• 柠檬桉苗木在正常状况下，光度、温度及光合作用速率皆与异戊二烯释出量呈正相关，而气孔导度与异戊二烯释出量则无明显相关性。