The seedlings of vegetative propagation of Gendarussa vulgaris Ness were fumigated in the chamber with different SO2 concentrations for three days and 0.25 ppm SO2 for different duration. The SO2 absorbed by the leaves was determined. The results obtained were given as follows:1. The S amount and S increment of leaves increased with increasing SO2 dose, linear correlation of these two factors has been found when the SO2 dose was below 1.50-1.75 ppm.pay, the S increment of leaves was about 1.10 mg/g, based o...