【摘要】 【目的】选育出一批适宜内蒙古呼伦贝尔地区种植的青贮玉米种质资源,以缓解该地区青贮玉米种质资源缺乏、基础狭窄等问题。【方法】以114份青贮玉米自交系为材料,采用因子分析方法,对青贮玉米自交系的品质、农艺性状进行筛选与综合评价。【结果】筛选出11份青贮玉米自交系,分别为G117、1459-2S6、15300A-1、17100-2S3、1479、13246、DK269、1785bS3、NYW1501B、1776-2S4和17115bS3。其中,有9份符合青贮玉米品质等级(国家标准)的一级标准、有2份自交系符合二级标准。【结论】筛选出的自交系可作为优良青贮玉米资源,用于培育优质青贮玉米杂交种。更多还原

【Abstract】 【Objective】 To breed a group of silage maize germplasm resources suitable for planting in Hulun Buir region of Inner Mongolia,in order to alleviate the problems of silage maize germplasm resources shortage and narrow foundation.【Methods】 The quality and agronomic traits of 114 silage maize inbred lines were screened and evaluated by factor analysis.【Results】 Eleven silage maize inbred lines were selected,which were G117,1459-2 s6,15300 a-1,17100-2 s3,1479,13246,DK269,1785 bS3,NYW1501 B,1776-2 s4 and 17115 bS3.Among them,9 of them met the first-grade standard of silage maize quality grade(national standard),and 2 of the inbred lines met the second-grade standard.【Conclusion】 The selected inbred lines can be used as good silage maize resources to cultivate high quality silage maize hybrids.更多还原