用灰色关联度法综合评价扁蓿豆生产性能

应用灰色关联度法对来自内蒙古13个地区的20份野生扁蓿豆（Medicago ruthenica）材料在内蒙古呼和浩特市的栽培生产性能进行综合评价，采用株高、生育期、株高生长速度、干鲜比、鲜草产量、干草产量和种子产量等指标建立评价模型，综合评价各材料的栽培生产性能。结果表明，栽培生产性能表现较好的材料有来自锡林郭勒盟灰腾梁的M 4、通辽市的M 8、锡林郭勒盟西苏旗的M 5和通辽市的M 6，而来自包头市达茂旗的M 20、乌兰察布市四子王旗的M 19、锡林浩特市的M 3和赤峰市的M 10栽培生产性能较低。根据各性状指标的权重比较种子产量所占的权重为株高>生育期>株高生长速度>干草产量>鲜草产量>干鲜比。

Comprehensive evaluation of production performance of Medicago ruthenica by grey correlation method

In this paper, the method of gray correlation was used to perform the comprehensive evaluation of 20 wild Medicago ruthenica materials from 13 regions of Inner Mongolia. Plant height, growth duration, growth rate of plant height, D/W Ratio, wet matter yield, dry matter yield and seed yield were used as indicators to constructed the model to evaluate the production performance of various materials. The results showed that M 4 from Huitengliang County, M 8 from Tongliao City, M 5 from Xisu County and M 6 from Tongliao City showed relatively better production performance. In contrast, M 20 from Damao County, M 19 from Wulanchabu Siziwangqi, M 3 from Xilinhot and M 10 from Chifeng City showed low production performance. The weight of each trait indicator were in the following order: plant height>growth duration>growth rate>dry matter yield>wet matter yield>D/W Ratio.