| 优质荞麦新品种定甜荞2号选育报告 |
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| 引用本文： | 马宁,贾瑞玲,魏立萍,陈富.优质荞麦新品种定甜荞2号选育报告[J].甘肃农业科技,2011(12):3-4. |
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| 作者姓名： | 马宁 贾瑞玲 魏立萍 陈富 |
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| 作者单位： | 甘肃省定西市旱作农业科研推广中心,甘肃定西,743000 |
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| 基金项目： | 甘肃省委组织部“陇原青年创新人才扶持计划”2009入选人选[甘组通字(2009)96号]扶持项目，国家燕麦荞麦产业技术体系定西综合试验站项目 |
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| 摘 要： | 荞麦新品种定甜荞2号是定西市旱作农业科研推广中心于2000年从内蒙古引进的日本大粒荞品种中经多年株选而成。2005—2007年在定西市区域试验中,3 a 18点（次）折合平均产量2 205.0 kg/hm2,较对照品种定甜荞1号增产12.8%。该品种株高80.8 cm,分枝数4.4个,单株粒重2.8 g,千粒重30.2...
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| 关 键 词： | 甜荞麦 新品种 定甜荞2号 选育 |
Breeding Report of A New Buckwheat Variety Dingtianqiao 2 |
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| MA Ning,JIA Rui-ling,WEI Li-ping,CHEN Fu.Breeding Report of A New Buckwheat Variety Dingtianqiao 2[J].Gansu Agricultural Science and Technology,2011(12):3-4. |
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| Authors: | MA Ning JIA Rui-ling WEI Li-ping CHEN Fu |
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| Institution: | (Dingxi Research and Distribution Centers of Dryland Agriculture,Dingxi Gansu 743000,China) |
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| Abstract: | Dingtianqiao 2 was a new buckwheat variety selected from mixed strains among the introduction of Japanese buckwheat grain varietie by Inner Mongolia.In 2005 — 2007,the average yield of Dingtianqiao 2 was 2 205.0 kg/hm2 and 12.8% higher than of the check Dingtianqiao 1 in three years 18 points（times） in region test of Dingxi city.The results showed that plant height was 80.8 cm,the number of branches was 4.4,grain weight per plant was 2.8 g,1000-grain weight was 30.2 g,growth period was 80 d.The results also indicationed that seed crude protein,crude starch,lysine,fat,rutin,moisture content were 136.6 g/kg,599.6 g/kg,14.3 g/kg,29.6 g/kg,30.3 g/kg,12.3%,respectively.In addition,it was resistance drought,barren,lodging,resistance to leaf spot.It is suitable to plant in the region of semi-arid areas of precipitation 350～600 mm,the district of 2 500 m above sea level in Dingxi,silver,Tianshui,Gansu and other cities,and mountainous areas in southern Ningxia Hui Autonomous Region and other similar ecological areas. |
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| Keywords: | Sweet buckwheat New variety Dingtianqiao 2 Breeding |
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