Growth responses of Ailanthus altissima seedlings to SO2

Growth of Ailanthus altissima (Mill.) Swingle seedlings exposed to various levels of sulphur dioxide (SO2) was observed. Exposure for 1 or 2 weeks at 260 [mu]gm-3 (0[middle dot]1 ppm) or 520 [mu]g m-3 (0[middle dot]2 ppm) of SO2 significantly (p 2 concentration.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/24357/1/0000626.pd