| Acording to the resource of the parents, breeding methods and the results of variety trials, background, breeding aims and methods were analysed for Longya No.10.The results showed that the genetic background of Longya No.10 was rich and it was an efficent breesing method to select the resistance to diseases in early generation and character and quality in late generation.In the variety trials for Gansu Province and the country, the yields of Longya No.10 were 1 921.8 kg/hm2 and 2 077.95 kg/hm2 and were higher than the control by 4.62% and 10.57%, respectively.The oil content was about 40.89% and Linolenic content was 54.03%, the quality was good.Its resistance to wilt disease was better than that of the control.Longya No.10 with high yield and stable yield is suitable for major producing areas of China. |