(1.Yunnan Academy of Forestry，Kunming,Yunnan 650204;2.Ludian County Forestry Bureau，Ludian Yunnan 657100;3.Forestry Science Institute of Lijiang City,Lijiang,Yunnan 674100)
‘Ludian-dama No.1’ is a late frost-avoiding new walnut varieties breeding from seedling in cold region of Yunnan Province in the northeast of Yunnan Ludian county.Appearance of nut is oval，base of fruit circled，top of fruit slightly sharped，mean fruit weight is 14.44 g，the shell engraves a large shallow，shell surface anesthesia，suture line protuberant and tight，shell thickness was 0.89 mm and inner fold wall wallpaper，diaphragm developed，kernel rate was 51.2%，rough fat content was 74.67%，protein content was 18.5%，extractable kernel，nucleolus fertilizer，full，aromatic taste pure no astringent，delicate taste.It passed the examine and approving of the Yunnan Province Forest Variety Approval Committee in December，2014.