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    冬小麦新品种天选66号选育报告 认领

    Report on Breeding of New Winter Wheat Cultivar Tianxuan 66 with Resistance to Stripe Rust and High-yield
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    摘要 冬小麦新品种天选66号以S98514-1-2为母本、贵35选19作父本进行有性杂交,采用系谱法经过连续9 a的定向选择而成。在2015—2017年甘肃省陇南片川区组区域试验中,2 a平均折合产量6628.80 kg/hm2,较对照品种增产3.25%。该品种株高78.20 cm,平均穗长7.90 cm,千粒重44.55 g,容重811.00 g/L,粗蛋白(干基)132.6 g/kg,降落数值233 s,湿面筋286.0 g/kg(以14%水分计),粉质质量指数101 mm,评价值57,硬度69.80,小麦粉灰分4.7 g/kg。经接种鉴定,苗期对条锈混合菌表现中抗,成株期对条中34号表现中抗,对条中32号、条中33号、中4-1、G22-14、G22其他和混合菌表现免疫。转基因检测结果为阴性。主要适宜在天水市和陇南市的川区种植。 Tianxuan 66,a winter wheat cultivar newly bred systematically with the parental combination of S98514-1-2 with Guilong35xuan19.It was obtained by using the genealogy method through the directional selection of 9 a.In 2015—2017,the average yield of Tianxuan 66 was 6628.80 kg/hm2 and 3.25%higher than that of the check in Regional Test of Longnan District.In addition,the plant height is 78.20 cm,ear length is 7.90 cm,1000-grain weight is 44.55 g,bulk weight is 811.00 g/L,seed crude protein is 132.6 g/kg,wet gluten is 286.0 g/kg(14%moisture),silty quality index is 101 mm,evaluation value is 57,hardness is 69.80,wheat flour ash is 4.7 g/kg.By identification of inoculated bacteria,the result showed that Tianxuan 66 was medium resistant to stripe rust mixture at the seeding stage,medium resistance to stripe rust tested strain CY 34 and it is immune to CY 32,CY 33,Zhong 4-1,G22-14,G22 and other strains and mixture race at the adult stage.The transgenosis test results were negative.It is suitable for growing in the valley areas in Tianshui and Longnan.
    作者 王伟 张耀辉 汪石俊 郭丹 周喜旺 宋建荣 李金昌 WANG Wei;ZHANG Yaohui;WANG Shijun;GUO Dan;ZHOU Xiwang;SONG Jianrong;LI Jinchang(Tianshui Institute of Agricultural Sciences,Tianshui Gansu 741000,China)
    出处 《甘肃农业科技》 2020年第11期52-55,共4页 Gansu Agricultural Science and Technology
    基金 甘肃省重大专项(17ZD2NA016) 甘肃省现代农业产业技术体系“陇南抗锈优质冬小麦育种”(GARS-01-03) 天水市科技支撑计划项目(2019-NCK-8361)。
    关键词 冬小麦 新品种 天选66号 选育 Winter wheat New cultivar Tianxuan 66 Breeding
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