麻核桃新品种‘京艺2号’

 ‘京艺2号’是从北京延庆麻核桃实生群体中选出的新品种。坚果近圆形，果基宽、较平，果顶圆、微尖。平均横径3.86 cm（最大可达4.62 cm），纵径3.57 cm，侧径3.50 cm。单果质量16.3 ~ 24.5 g，平均19.3 g。果壳厚度3.5 mm，出仁率8.9%，空壳率26.7%。缝合线凸，结合紧密。壳面颜色较浅，纹路较深，纹理美观，文玩品质优。丰产性中等，高接5年生树平均株产坚果14.2个，抗寒、抗病性强。

A New Cultivar of Juglans hopeiensis‘Jingyi 2’

‘Jingyi 2’is a new cultivar of Juglans hopeiensis selected from wild seedling resources in Yanqing，Beijing. The shape of nut is approximately round and the bottom is wide and flat. The apex of nut is round and lightly tine. The average diameter of horizontal is 3.86 cm，and the max one can get to 4.62 cm. The average diameter of vertical and flank are 3.57 cm and 3.50 cm，respectively. The nuts range in weight from 16.3 g to 24.5 g，and average 19.3 g. The thickness of shell is 3.5 mm. Kernel rate average 8.9%. Empty shell rate average 26.7%. The suture line protrudes highly，and combines tightly. The color of shell is light，the concave is relatively deep，and the texture is very beautiful. The nut’s quality of art and exercise is excellent. It has average yield that average 14.2 nuts for 5-year top grafting tree. Its resistance to cold and disease is high.