冬小麦新品种静宁11号选育报告

冬小麦新品种静宁11号为静宁县农业技术推广中心用“洮157”作母本、“75试15”作父本通过有性杂交培育而成，生育期280d，属中早熟品种，株高85．0～87．0cm，穗长7．3～7．8cm，小穗数15～17个，千粒重41．8～43．1g，容重802．5g／L。籽粒含粗蛋白141．0g／kg，湿面筋246．4g／kg，粗淀粉663．2g／kg，沉淀值30mL。2003—2005年在平凉市冬小麦川区组区域试验中，折合平均产量5598．5kg／hm2，较对照品种长武134增产29．00％，居10个参试品种（系）第1位。该品种抗冻、耐寒、抗旱、抗倒伏，适宜在静宁、庄浪及周边河谷川水区种植。

Breeding Report of New Winter Wheat Variety Jingning 11

Jingning 11 was a winter wheat variety newly bred by crossing with parental combination of Tao 157/75 Shi 15. The growth period was 280 d and it belonged to early variety,plant height was 85.0-87.0 cm, ear length was 7.3-7.8 cm, small ears were 15--17, thousand grain weight was 41.8～43.1 g, bulk weight was 802.5 g/L, seed crude protein was 141.0 g/kg, wet gluten was 246.4 g/kg, crude starch was 663. 2 g/kg, starch value was 30 mL. The average yield was 5 598.5 kg/hmz and 29.00～ higher than of the check Changwu 134 in winter wheat regional test which was conducted during the period 2003--2005 in the Pingliang district, and it was the best in the ten variety（line）. In addition, Jingning 11 was an- tifreeze, cold resistance, drought resistance, and lodging resistance. It is suitable to plant the irrigated land along rivers in Jingning, Zhuanglang and surrounding area.