【摘要】 木里藏族自治县核桃种质资源丰富，自2005年开始进行核桃种质资源调查，对通过初选、复选、决选等程序确定的泡核桃优良单株康乌4号开展了县内不同乡镇的区域试验，表现品质优良，丰产性、稳定性好，抗逆性强，2022年通过四川省优良品种认定。介绍了康乌4号核桃的选育过程。更多还原

【Abstract】 Muli County is rich in walnut germplasm resources. Since 2005, the survey of germplasm resources was began to carry out, and the excellent single plant of walnut Kangwu No. 4 was determined through primary selection, secondary selection, and final selection, and regional tests were carried out in different townships in Muli county, showing excellent quality, high yield, good stability, and strong resistance to stress. In 2022, Kangwu No. 4 was passed the identification of excellent varieties in Sichuan Province. In this paper, the breeding process of Kangwu No. 4 was described.更多还原