航天诱变紫花苜蓿新品系比较试验研究
Comparative Study on New Alfalfa Strains Induced by Space Mutation
耿慧 1刘建 1于博洋 1郭兴玉 1高山 1姜婷婷 1李忠和1
作者信息
- 1. 吉林省农业科学院草地与生态研究所,吉林公主岭 136100
- 折叠
摘要
针对目前中国苜蓿品种中缺少适宜高寒地区种植的丰产品种问题,以选育高产抗寒紫花苜蓿新品种为目标,2006年搭载实践8号育种专用卫星将3个品种的苜蓿种子进行太空诱变,选育出2个苜蓿新品系.于2017-2020年开展品系(种)比较试验,对参试品系(种)生态适应性、生育期、鲜干草产量、叶茎比、植株高度、种子产量、营养成分等进行研究.结果表明,综合品系1抗寒、高产,平均年干草产量17 038 kg/hm2,种子产量312 kg/hm2,符合育种目标.
Abstract
For the deficiency of productive alfalfa varieties which can adapt to the cold regions,some original materi-als were loaded in Shijian 8 breeding satellite and transported into space to select and breed a new high-yield and cold-resistant alfalfa variety in 2006.Two new strains were bred based space mutation breeding.Ecological adapt-ability,growth period,fresh and dry forage yield,leaf/stem,plant height of all the strains(varieties).Seed yield and nutrition composition were measured by the strains(varieties)comparison experiment from 2017 to 2020.The result showed that Synthetical Strain 1 is cold resistant and high yield,with an average annual hay yield of 17,038 kg/ha and seed yield of 312 kg/ha,which is in line with breeding objectives.
关键词
太空诱变/苜蓿/比较试验/产量/营养成分Key words
Space mutation/Alfalfa/Strains(varieties)comparison experiment/Yield/Nutrition composition引用本文复制引用
基金项目
吉林省农业科技创新工程项目(CXGC2021ZY109)
出版年
2024
NETL
NSTL
万方数据