“鲁甸大麻2号”是从云南省鲁甸县核桃种质资源中选出的优良核桃新品种。2011年5月通过云南省林木良种审定委员会审定并定名。该品种青果扁圆球形,黄绿色,果点密,果面密生茸毛;青皮厚约0.60 cm,成熟后在树上即可自行开裂脱落。坚果扁圆球形,纵横侧径平均值3.98 cm,平均单果重18.22 g。果肩、底部较平,种壳深麻。缝合线突出、紧密,果尖钝尖。果壳厚1.01 mm,内褶壁退化,隔膜纸质;果仁饱满、能整取,单仁重9.24 g,出仁率50.74%。果仁 “Ludian hemp No. 2 ” is a new walnut variety selected from walnut germplasm resources in Ludian County, Yunnan Province. In May 2011, it passed the Yunnan Forest Tree Species Approval Committee and was named. The varieties of green fruit flat oblate spherical, yellow-green, fruit points dense, dense hairy hairy surface; green skin thickness of about 0.60 cm, mature in the tree to self-dehiscence. Nuts oblate, average lateral and lateral diameter of 3.98 cm, the average weight of 18.22 g. Fruit shoulder, the bottom of the more flat, deep seed shell. Suture prominent, close, tip sharp blunt. The thickness of the shell was 1.01 mm, the inner fold wall degenerated and the septum was made of paper; the nut was full and could be taken straight. The single kernel weight was 9.24 g and the kernel rate was 50.74%. Nuts