旱地春小麦新品种定西40号选育报告

春小麦新品种定西40号由定西市旱作农业科研推广中心以自育品系8152-8为母本,外引材料永257为父本杂交选育而成。在2006—2007年国家区试西北春小麦旱地组试验中,2 a 21点(次)折合平均产量2 805.60kg/hm2,较对照品种定西35号增产11.48%;在2008年国家西北春小麦旱地组生产试验中,定西40号折合平均产量3 092.40 kg/hm2,较对照定西35号增产5.80%。该品种抗旱、抗病、高稳产、生育期适中,适宜在西北旱作雨养春麦区种植。

Breeding Report of A New Dryland Spring Wheat Variety Dingxi 40

Dingxi 40 was a new spring wheat variety bred by crossing with the parental combination of 8152-8/yong 257 in Dingxi Research and Extension Center of Dryland Agriculture.In 2006—2007,the average yield of Dingxi 40 was 2 805.60 kg/hm^2 and 11.48% higher than of the check Dingxi 35 in 21 points of two years in dryland spring wheat regional test in the Northwest China.In 2008,the average yield of Dingxi 40 was 3 092.40 kg/hm^2 and 5.80% higher than of the check Dingxi 35 in spring wheat production test in the Northwest China.The result showed that seed was drought resistance,disease resistance,high yield,growth period of moderate.It is suitable to plant in the dry and rain-fed spring wheat in the Northwest areas.