优质荞麦新品种定甜荞2号选育报告  

Breeding Report of A New Buckwheat Variety Dingtianqiao 2

作　　者：马宁[1] 贾瑞玲[1] 魏立萍[1] 陈富[1] 

机构地区：[1]甘肃省定西市旱作农业科研推广中心,甘肃定西743000

出　　处：《甘肃农业科技》2011年第12期3-4,共2页Gansu Agricultural Science and Technology

基　　金：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(CARS-08-E-2)部分内容

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 g,生育期80 d。籽粒含粗蛋白136.6 g/kg、粗淀粉599.6 g/kg、赖氨酸14.3 g/kg、粗脂肪29.6 g/kg、芦丁30.3 g/kg、水分12.3%。表现抗旱、耐瘠薄、抗倒伏、耐褐斑病。适宜在甘肃省中东部的定西、白银、天水、陇南等市降水量350～600 mm、海拔2 500 m以下的半干旱区及宁夏回族自治区南部山区同类生态区种植。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.

关 键 词：甜荞麦 新品种 定甜荞2号 选育 

分 类 号：S517[农业科学—作物学]