Comparison of Different Grafting Methods for Walnuts in the Mountain Area of Northern Sichuan

The grafting survival rate of the walnut can directly influence the success or failure of its species improvement.This paper has done an investigating and analysis work on the results of four grafting methods of walnuts in Jiange county.And conclusions have been drawn on how to make rational use of different walnut grafting methods,in order to better guide the Sichuan walnut species improvement work.