“扬麦 15 8”是广为栽培的高产品种 ,但对赤霉病的抗性较差 ,在长江中下游赤霉病高发年份 ,其推广受到限制[1] 。陆维忠等[2～ 5] 从幼胚组培变异产生的体细胞无性系中选育出扬麦 15 8抗赤霉病突变系 ,继承了来源供体亲本的高产优良性状 ,赤霉病抗性级数得到较大提高。分子标 Yangmai 15 8 is a widely cultivated, high-yielding variety, but its resistance to Fusarium head blight is poor. Its promotion is limited in the years of high-yielding FMC in the middle and lower reaches of the Yangtze River [1]. Lu Weizhong et al [2-5] from immature embryos tissue culture derived from clonal somaclonal clones Yangmai 15 8 scab resistance mutant line, inherited from the source of the donor’s high yield good traits, scab resistance The series has been greatly improved. Molecular standard