农学学报2016，Vol.6Issue(7)：13-18,6.
不同糜黍品种灰色关联度分析及综合评价
Grey Correlative Degree Analysis and Comprehensive Evaluation of Different Varieties of Broomcorn Millet
摘要
Abstract
The aim was to discuss high yield breeding through comprehensive evaluation of main agronomic characters of different broomcorn millet varieties. The classification was conducted using cluster analysis methods, and the correlation degree between the main agronomic characters and yield was ranked by the gray correlation degree method. The results showed that the correlation degree between 8 agronomic characters of 18 broomcorn millet varieties and yield was as follows:growth duration>stem height>rates of broomcorn millet>spike weight per ear>number of branches>spike length>1000-seed weight>single ear weigh. 6 of the 18 tested varieties had 20% more yield than that of the control‘Jinshu 4’. Among them, the yield of‘soft grey broomcorn millet (Ansai)’reached 4262 kg/hm2 and ranked the first, which was 31.11%higher than that of the control variety‘Jinshu34’which was 3209 kg/hm2. In order to obtain the high yield of different varieties, the cultivation period should be extended, stem height and branching spike number should be regulated by density to improve the rates of broomcorn millet, and make groups and individual reach the best state in growth and development.关键词
糜黍/品种鉴选/聚类分析/灰色关联度Key words
Broomcorn Millet/Variety Selection/Cluster Analysis/Grey Correlative Degree分类
农业科技引用本文复制引用
景小兰,史根生,史关燕..不同糜黍品种灰色关联度分析及综合评价[J].农学学报,2016,6(7):13-18,6.基金项目
“十二五”国家科技支撑计划子课题“晋北糜黍高效丰产技术研究集成与示范”(2014BAD07B03-06)。 （2014BAD07B03-06）
