冬小麦新品种中天1号选育报告

冬小麦新品种中天1号是普通小麦与十倍体长穗偃麦草复合杂交选育而成。该品种株高106．0cm，穗长8．0cm，千粒重39．46g，容重764．0g／L，籽粒含粗蛋白13．54％（干基）、湿面筋24．8％，沉降值9．2mL、稳定时间1．0min，抗寒、抗旱性强，稳产性好，高抗条锈病。在2005—2006年度甘肃省天水半山组区试中，折合产量5334．00kg／hm^2，较对照品种成农4号增产7．00％；在2006—2007年度陇南山区组区试中，折合产量4561．50kg／hm^2，较对照品种中梁22号减产4．90％。适宜天水市干旱、半干旱山区，二阴山区及边类似生态区种植。

Breeding Report of Winter Wheat Cultivar Zhongtian 1

Zhongtian 1,a winter wheat cultivar was newly bred by crossing with Triticum aestivum/Thinopyrum ponticum.The plant height 106.0 cm,ear length 8.0 cm,thousand grain weight 39.46 kg,bulk weight 764.0 g/L,crude protein content in grain 13.54%(dry base),wet gluten 24.8%,sedimentation value 9.2 mL,stability time 1.0 min.The result showed that it was tolerant to cold and drought conditions,and maintains a stable production.It was also resistant to stripe rust at high-to-medium level,and slightly susceptible to p...