按照《农业部办公厅关于继续做好审定品种标准样品相关工作的通知》(农办种[2012]15号)精神,经甘肃省农作物品种审定委员会第28次品种审定会议审议通过,决定在全省范围内停止推广中梁17号等51个农作物品种、已由甘农牧发[2013]92号文件予以通告这些品种停止推广后,杂交种的亲本种子从2013年开始停止繁殖,杂交 In accordance with the “Notice of the General Office of the Ministry of Agriculture on Continuously Doing a Good Job of Validating the Relevant Samples of Specified Varieties” (Agropecuar [2012] No. 15), the Gansu Provincial Crop Variety Approval Committee examined and approved the 28th Variety Approval Meeting 51 kinds of crop varieties such as Zhongliang No. 17 were stopped in the province and notified by Gannongmu [2013] No. 92 After these varieties were stopped, the parent seeds of the hybrids stopped breeding and hybridized since 2013