The experimental results showed that it could promote the growth of seedlings of Scotch pine,Yeddo sprus and Korean sprus,such as the increase of plant height(PH),root volume(RV)and dry mass accumulation(DW)with GA3 seed soaking.

• 试验结果表明,GA3能促进樟子松、鱼鳞云杉、红皮云杉幼苗的生长,株高(PH)、根系体积(RV)和干物质积累(DW)明显增加。