冬小麦新品系中梁969选育报告.pdfVIP

甘肃农业科技 2008年 第1期 Gansu Agr．Sci．and Techn． No．1 2008 3 冬小麦新品系中梁969选育报告 宋建荣，岳维云，吕莉莉，张耀辉，王希恩，刘鸿燕，温宏昌，王 娜 (甘肃省天水市农业科学研究所，甘肃天水 741000) 摘要：冬小麦新品系中梁969是天水市农业科学研究所小麦抗锈育种中心以“中四”与普通小麦复合杂交所 得“90293F5为母本、89143F6”为父本进行复合杂交选育而成。该品系株高105．0 cm，穗长7．5 cm，千粒重44．6 g， 容重775 g／L，籽粒含粗蛋白139．0 g／kg(干基)、湿面筋31．1 ，抗寒、抗旱性强，稳产性好，对条锈病表现高抗至中 抗，轻感白粉病。在2OO4—2006年甘肃省陇南片区域试验中，2 a平均折合产量5 756．25 kg／hm。，较对照品种成农 4号增产21．76 。适宜天水市及周边干旱和半干旱地区种植。 关键词：冬小麦；新品系；中梁969；选育 中图分类号：$512．1 文献标识码：A 文章编号：1001—1463(2008)01—0003—03 Breeding Report of Winter Wheat Line Zhongliang 9 6 9 With Dr0ught—resistant and High—yielding SONG Jian—rong，．YUE Wei—yun，LV Li—li，ZHANG Yao—hui，WANG Xi—an，LIU Hong—yan，WEN Hong—chang，WANG Na (Tianshui Institute of Agricultural Sciences，Tianshui Gansu 741000，China) Abstract：Zhongliang 969，a winter wheat line newly bred by Rust—resistant Wheat Breeding Centre，Tianshui institude of agricultural science．It was gained by using female parent of 90293F5 and male parent 89143F6 which is sourced from cross breeding of Zhongsi and ordinary wheat．The plant height is 105．0 cm，ear length is 7．5 cm，thousand grain weight is 44．6 kg， and bulk weight is 775 g／L．The seed contain crude protein of 139．0 g／kg(dry base)and wet gluten of 31．1 ．It is especially suitable for middle gluten flour with high yielding potentials，and tolerant to cold and drought conditions，and maintains a sta— ble production．It was also resistant to stripe rust at high—to—medium level，and slightly susceptible to powdery mildew，The average yield is 5 756．25 kg／hm。at Tianshui regional tests from 2004 to 2006，which is 21．75 higher than of the check of Xiannong 4 in winter wheat regional test．It is fitted to cultivate in arid and semi—arid region in Tianshui and surrounding area． Key words：Winter wheat；New line；Zhongliang 969；Breeding 冬小麦是天