我省是全国核桃主产区之一,栽培历史悠久,种质资源丰富,为育种工作提供了良好的试材。著名的无性系良种云南薄壳核桃(即泡核桃类型)。因个大,壳薄、食味香纯,品质优良而驰名遐迩,畅销中外。但因为云南核桃均属晚实性的,收效慢,加之核壳刻纹深密,果实稍欠美观。针对上述问题,我们于1978年开题以来,拟定了以动摇云南核桃的晚实性为 The province is one of the main producing areas of walnut in our country. It has a long history of cultivation and rich germplasm resources, providing a good test material for breeding work. The well-known clones of Yunnan species of walnut shell walnut (bubble walnut type). Because of a large, thin shell, taste pure fragrance, high quality and well-known far and near, at home and abroad. But because Yunnan walnuts are late real, slow, combined with deep core-shell carved, slightly less beautiful fruit. In response to the above questions, we opened the topic in 1978, drafted to shake the lateness of Yunnan walnut as