“庆丰3号”是在云南省昭通市实生选育出的红瓤核桃新品种。该品种坚果长椭圆形,种壳刻纹深。三径均值3.56cm,出仁率52.5%,含油率69.13%,蛋白质含量18.42%,平均种壳厚0.94mm,核仁充实、饱满、仁皮红色,易取整仁,食味香纯、细腻。2013年12月通过云南省林木良种委员会认定。 “Qingfeng No. 3 ” is a new breed of red walnut that is bred in Zhaotong, Yunnan Province. The variety of nuts is long oval, shell deep carved patterns. Average diameter of 3.56cm, kernel rate of 52.5%, oil content of 69.13%, protein content of 18.42%, the average shell thickness of 0.94mm, full of nucleolus, full, red benevolence, easy to take whole kernels, taste pure, delicate. In December 2013, it passed the Yunnan Forest Tree Species Commission.