摘要
本文对大兴安岭地区的春榆在苗期进行了优良家系的初步选择。结果表明:家系平均遗传力为0.61;从50个供试群体中选择出5个优良家系,分别是21号、40号、2号、39号、16号家系,遗传增益为17%。
The trial on elite family selection of Ulmus davidiana vat. japonica in seedling stage was carried out in Daxing'anling foeest region and initial results were obtained: five superior families of Ulmus dadidiana vat. japonica were selected from 50 test colonies, which are No21, No40, No2, No39, No16, respectively. The genetic gain has reached 17 %.
出处
《吉林林业科技》
2006年第3期1-4,10,共5页
Journal of Jilin Forestry Science and Technology
关键词
春榆
家系
选择
遗传增益
davidiana vat. japonica
family
selection
genetic gain.