1·The field cultivation test showed that the survival rate of the tube seedlings reached as high as 77% the stem tubers of the tube seedlings were almost as large as those of the usual cultivation.
对试管苗进行了田间栽培试验，成活率可达77%，所结的块茎与一般栽种法所结的块茎大小接近。
2·Tissue culture of Dioscorea opposita "foshou" was studied with explants such as tubers, leaves, stem segments.
以佛手山药块茎、叶片、茎段为外植体，探讨了其组织培养技术。