“白音希勒根茎冰草”新品种选育报告

BREEDING REPORT OF A NEW VARIETY Agropyron michnoi Roshev. BAIYINXILE

以选择适合在内蒙古中东部寒旱区种植,适宜于放牧地、矿区植被恢复为育种目标,2002年起内蒙古农业大学对野生根茎冰草经过多年栽培驯化,选育出白音锡勒根茎冰草新品种,2018年通过全国草品种审定委员会审定。2014年—2017年生产试验结果表明,3 a平均干草产量7009.9 kg/hm^2,平均比对照提高17.8%,最高可达36.6%。该品种根茎发达、抗逆性强、地被性及耐牧性优良,适于内蒙中东部及东北地区人工草地及植被恢复工程建植利用。

A new variety Agropyron michnoi Roshev.Baiyinxile was selected by Inner Mongolia agricultural university.It is suitable for planting grazing pasture and mining area vegetation restoration in the middle and eastern cold and dry area of Inner Mongolia.The wild rhizome wheatgrass was introduced and cultivated in 2002.It was approved by the national grass variety approval committee in 2018.The results of variety comparison tests from 2014 to 2017 showed that the average annual hay yield was 7009.9 kg/hm^2,with an average hay yield increase of 17.8%and a maximum hay yield increase of 36.6%compared with the control.This variety has developed rhizomes,strong stress resistance,good ground cover and grazing resistance,and is suitable for artificial grassland and vegetation engineering construction and utilization in central and eastern Inner Mongolia and northeast China.