中国农业科学院农业信息研究所 中国农学会
Agricultural Information Institute of CAAS China Association of Agricultural Science Societies
En
Ch
中国农业科学院农业信息研究所 中国农学会 主办

AI检索

订阅

返回顶部
当前位置: 首页 > 文章 > 长白落叶松变异分析及优良家系早期选择 四川林业科技 2019 (6) 19-24
Position: Home > Articles > Genetic Variation and Early Selection of Larix olgensis Families Journal of Sichuan Forestry Science and Technology 2019 (6) 19-24

长白落叶松变异分析及优良家系早期选择

作  者：
唐杰;曹振宇;侯丹;张含国
单  位：
东北林业大学林木遗传育种国家重点实验室;鹤岗市林木良种繁育中心
关键词：
长白落叶松;树高;遗传变异;遗传增益;家系选择
摘  要：
以黑龙江省鹤岗市林木良种繁育中心的84个长白落叶松自由授粉家系子代林为研究对象,测定其树高,结合变异分析、方差分析、多重比较及年生长量分析等,对长白落叶松家系进行早期选择。结果表明:长白落叶松树高性状存在丰富的变异,变异系数幅度为26.81%～35.66%。来源于渤海、错海、鹤岗及林口4个种子园家系的平均变异依次为30.50%、30.47%、28.97%、30.12%,依次比对照大8.62%、8.51%、3.17%、7.26%。4年生、5年生、6年生时树高在家系水平上差异均达到极显著水平,树高遗传力平均为90.7%,20%入选率时,遗传增益平均为38.74%。结合多重比较及树高生长量分析结果,最终选择出生长良好、生长快且稳定的家系为BS54、BS542、CH4、HG28及LK299,且6年生时,平均树高为1.34m,平均变异系数为31.62%,平均年生长量为0.43m,平均现实增益为36.66%。
译  名：
Genetic Variation and Early Selection of Larix olgensis Families
作  者：
TANG Jie;CAO Zhen-yu;HOU Dan;ZHANG Han-guo;The Improved Varieties Breeding Center of Hegang;State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University;
关键词：
Larix olgensis Henry;;Tree height;;Genetic variations;;Genetic gains;;Family selection
摘  要：
The progeny forests of 84 open-pollinated families of Larix olgensis were taken as the research objects, and the tree height was measured at the improved Varieties Breeding Center of Hegang in Heilongjiang province. The early selection of L. olgensis families was carried out by combining variation analysis, variance analysis, multiple comparisons and annual growth analysis. There were abundant variations in tree height with the variation coefficient of 26.81%～35.66%. The average variation coefficients were 30.50%, 30.47%, 28.97% and 30.12%, respectively for four families from Bohai, Cuohai, Hegang and Linkou, which were 8.62%, 8.51%, 3.17% and 7.26% higher than CK, respectively. Families at 4, 5, and 6 years old showed significant differences in height, and the average heritability of tree height was 90.7%. Under the selection rate of 20%, the average genetic gain of tree height was 38.74%.Combining the results of multiple comparisons and annual growth analysis of height, BS54, BS542, CH4, HG28 and LK299 were selected as the superior families.

相似文章

导出引用
计量
文章访问数: 5
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊

友情链接Friendly link
农业信息研究所Agricultural information institute 农业智能知识服务平台Agricultural intelligent knowledge service platform 农业学术服务平台Agricultural Knowledge Service System 中国知网CNKI 维普网VIP 万方WANFANG DATA
联系我们Contact us

电话Tell：010-82109652-808

邮箱E-mail：agrijournal@caas.cn

服务Service
关于我们About us 意见建议Opinions and suggest
版权说明Copyright
单位：中国农业科学院农业信息研究所 中国农学会 © 2017中国农业科学院农业信息研究所 ICP备案号：京ICP备09089781号-46