冬小麦新品种轮抗6号引种报告

Introduction of A New Winter Wheat Variety,Lunkang 6

轮抗6号是中国农科院作物所用太谷核不育小麦作母本与“京中25”、“抗病183”等多个父本杂交、回交，经多年轮回选择，从分离后代中选择优良可育株系谱选育而成，宁夏西吉县种子繁育管理站从甘肃省西峰市种子公司引入。该品种在宁南山区区试中折合平均产量5371．5kg／hm^2，比对照品种中引6号增产9．5％；株高82～95cm，穗纺锤形，长芒、白壳，籽粒红色角质，千粒重40．8～56．2g；抗旱抗寒抗青干、抗倒伏、抗病性强，适应性广，生育期279d，属强冬性中晚熟品种，适宜宁夏南部山区及同类生态区水地种植。

The new winter wheat variety, Lunkang 6 is bred by Crop Sciences Institute of Chinese Academy of Agricultural Sciences, using Taigu nuclear-inherited male sterile line as female parent and Jingzhong 25, Kangbing 183 et al. as male parent, by hybridization, back-crossing, recurrent selection and pedigree method, with spindle-shaped and long awn spike, red and cutin seed. It is introduced by Xijie Seed Control Station from Seed Company of Xifeng city, Gansu. The average yield in eco-regional test is 5 371.5 kg/hm^2, and 9.5% higher than Zhongyin 6 in mountainous areas of south Ningxia. The plant height is 82～95 cm. The weight for 1 000-seed is 40.8～56.2 g. Lunkang 6 is resistant to drought, diseases, cold damage, droop and lodging. It is a middle-late-maturing winter wheat variety with growth duration of 279 d. The suitable growth region is in mountainous areas of south Ningxia and in other similar irrigated areas.