| Dingfeng No.9 is a new variety of spring wheat that has been bred by Dingxi Dry-farming Research Center.It was selected by using the F1 generation of the cross combination "07802 Zhong/81194" as the female parent,and "630" as the male parent.The results of regional test have showed that Dingfeng No.9 is a variety with high yield,high resistance to diseases and high quality;The average yield of Dingfeng No.9 is 5010.3 kg/hm2,being 15.99% higher than that of the contrast Ningchun No.10;The content of crude protein,lysine and amylum in the grains is 17.73%,0.58% and 58.56% respectively;The roots are well-developed,the function period of leaves is long,and the seeds are plump;The plant height is 90~105 cm,the grains per spike is 3645,and the 1000-grain weight is 45~55 g. It is suitable to cultivate in irrigated or dry lands in central and southern Gansu,Longde and Xiji County in Ningxia,Minhe County and Xining City in Qinghai,and Inner Mongolia,etc. |