Influences of different grafting treatments on growth of the scions of Bombax ceiba Linn. and Chorisia speciosa St.Hil.

In the present study，grafting test was conducted on Bombax ceiba Linn. and Chorisia speciosa St.Hil.with different rootstocks，specifications，seasons and methods. The results indicated that there were significantdifferences in survival rate and growth of B. ceiba Linn. among different rootstocks and specifications. The average survival rate was higher than 76.67% and 73.33% for B. ceiba Linn. employing B. ceiba Linn and Chorisia speciosa St.Hil as rootstocks，respectively. While the grafting survival rate of B. ceiba Linn. was the highest when the ground diameter was 2-3 cm. The diameter，height and crown width of scion were the highest after one year grafting.The grafting survival rate of B. ceiba Linn. was more than 86.67% using the methods of cutting and wedge grafting，and the growth was superior for method of cut grafting.