关键词: 核桃, 实生选种, 品种

Abstract: ‘Qianhe 7’is a new late-fruiting walnut cultivar selected from wild seedling resources Juglans sigillata in Northwest of Guizhou Province. The walnut is nearly round in shape. The average nut weight is 9.9 g，and kernel percentage is 58%. The thickness of shell is about 0.7 mm，and the shell is narrow and convex sutures，loose. The nut has slightly hemp surface. It is very easy to take out the whole kernel for dissepiment of nut shells degradated. The kernel was full and plump with a light white episperm. Total protein content is 16.7%. The kernel total fat content is 67.9%. It tastes fragrant and sweet lightly. In addition，it has strong adaptability，high resistance to disease and good productivity.

Key words: walnut, seedling selection, cultivar