白音希勒根茎冰草表型性状研究

Study on Phenotypic Character of Agropyron michnoi Roshev.cv.Baiyinxile

2019年3~10月在内蒙古农业大学牧草试验地进行了白音希勒根茎冰草株丛性状变异的田间试验,目的是了解该品种的生物学特性。结果表明:白音希勒根茎冰草是一个野生栽培品种,群体性状表现存在较大变异,供试的100个单株可以分为12个变异类型,其中有根茎的植株较多(占73%),无根茎的植株较少(占27%);有根茎的植株主要表现为叶片灰色或灰绿色,株丛呈密丛型或疏丛型结构,生育期为122~127d,枝条数可达207,株高可达65.00cm,干重可达373.68g/株。

In order to understand the biological characteristics of Agropyron michnoi Roshev.cv.Baiyinxile,a field cultivation experiment was carried out in the experimental field of Inner Mongolia Agricultural University from March to October 2019.The results showed that the species was a wild cultivar,and the population traits showed great variation.The 100 individual tested plants could be divided into 12 variation types.There were 73%plants with rhizomes and 27%plants without rhizomes.the leaves were gray or grey-green,the plant clusters were dense or thin,the growth period was 122~127 days,the number of branches was 207,the plant height was 65.00cm,and the dry weight was 373.68g/plant for the rhizome type,.