薯瘟是红薯生产上的一种毁灭性的病害。我所自1973年开展抗病育种以来,先后经湘潭、醴陵、平江等地鉴定,初步肯定74—9等十个比较抗病、产量较高、品质较好的新品种,现简介如下:一、抗病性二、产量与品质 Genticrella is a devastating disease in sweet potato production. Since our disease-resistant breeding was carried out in 1973, it has been identified by Xiangtan, Liling and Pingjiang successively and initially identified as ten new resistant varieties with relatively high yield and good quality, such as 74-9. The brief introduction is as follows: Second, disease resistance, yield and quality