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新疆吐鲁番地区在50年代末于鄯善汉墩发现了无核白优良芽变品种大无核白。经调查研究确认性状稳定,其特点是穗重、粒大、质优,引起人们极大的兴趣,1976～1977年经新疆农科院鉴定,该品种根尖染色体为2n=76,1984年与石河子农学院合作进行细胞学方面的研究,结论是该品种为一同源四倍体。目前已定植70余亩,全国已有22个以上单位引种。
Turpan region in Xinjiang in the late 50s found a non-nuclear white seed germplasm non-core white varieties. The investigation confirmed that the traits are stable, characterized by panicle weight, grain size, high quality, aroused great interest in 1976 to 1977 by the Xinjiang Academy of Agricultural Sciences identified the root tip chromosomes for the species 2n = 76, 1984 and Shihezi College of Agriculture cooperation in cytology research concluded that the variety is a tetraploid. Currently has planted more than 70 acres, the country has more than 22 units introduced.