冬小麦新品种天选48号选育报告

冬小麦新品种天选48号为天水市农业科学研究所小麦抗锈育种中心以9362—13-4—4为母本，天94—3为父本进行有性杂交，采用系谱法选育而成。天选48号在2007--2009年甘肃省陇南片区域试验中，折合平均产量6114．00kg，hm^2，比对照中梁22和兰天19号平均增产3．84％，株高97．5em左右，平均穗长8-3cm，千粒重40．5g，容重811．5g／L，籽粒含粗蛋白143．5g／kg、湿面筋268.3g，kg，沉降值29．0mL。抗条锈病，苗期对混合菌接种鉴定表现高抗，成株期对条中29号、条中32号、条中33号、水14、HY8及混合茵全部免疫，适宜于天水市山区旱地种植。

Breeding Report of A New Winter Wheat Variety Tianxuan 48

Tianxuan 48,a winter winter wheat variety newly bred systematically by crossing with the parental combination of 9362-13-4-4/ Tian 94-3.The average yield Tianxuan 48 was 6 114.00 kg/hm2 and 3.84% higher than of the check Zhongliang 22 and Lantian 19 in winter wheat regional test which was conducted during the period 2007—2009 in the Longnan district.In addition,the plant heigth is 97.5 cm,ear length is 8.3 cm,thousand grain weight is 40.5 g,bulk weight is 811.5 g/L,seed crude protein is 143.5 g/kg,wet gluten is 268.3 g/kg and with settlement of value of 29.0 mL.By inoculating indentification,the result showed that Tianxuan 48 was high resistance to stripe rust at the seeding stage,and immune completely to CY 29,CY 32,CY 33,Shui 14,HY 8 and mixture race at the adult stage.It is suitable to plant in mountainous area of Tianshui city.