龙须菜新品系GL 家系F1 配子体的性状分析
DOI:
CSTR:
作者:
作者单位:

中国海洋大学 海洋生物遗传学与育种教育部重点实验室, 山东 青岛 266003

作者简介:

作者简介: 李彬彬(1989–), 女, 硕士, 主要从事藻类遗传育种研究. E-mail: 782932598@qq.com 胡依依, 并列第一作者. 通信作者: 隋正红, 教授. E-mail: suizhengh@ouc.edu.cn

通讯作者:

中图分类号:

S968

基金项目:

“十二五”农村领域国家科技计划项目(2012AA10A411); 国家自然科学基金项目(31372529); 山东省自主创新计划项目(2013CXC80202).


F1 gametophyte trait analysis of a new strain GL family of Gracilaria/Gracilariopsis lemaneiformis (Rhodophyta)
Author:
Affiliation:

Key Laboratory of Marine Genetics and Breeding of Ministry of Education, Ocean University of China, Qingdao 266003, China

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    DTOPSIS 值的量化指标, 2.0~7.3%/d,其平均数为标准差为41.17%, 0.18, 。线性生长速率、分枝数、基部直径等性状分布均呈现明显的正态分布特征各性状相对本身参数变化幅度较大综合评价分析显示、、

    Abstract:

    is the second largest cultivated alga in China, with economic valuerelated to agar production and bioremediation potential by eliminating eutrophication. It is important to establish a geneticbreeding system for (GL) to promote sustainable development of themariculture industry. In the present study, 3 productive characters of the Fgeneration of GL gametophytes, includinglinear growth rate, branch number, and central base diameter, were analyzed and evaluated using the DTOPSIS comprehensiveevaluation method to convert qualitative comprehensive traits of Fvalue, which is necessary to determine an ideal solution to improve breeding. Thus, characters of all strains werecomprehensively analyzed and provided evidence for future cultivar hybridization and selection. Among the 100 individuals tested, the linear growth rate ranged from 2.0%/d to 7.3%/d, with an average of4.76%/d (standard deviation, 1.28). Its variable coefficient was 26.79%, and that the difference among individuals wassignificant. Branch number was unevenly distributed with extremely substantial variation. The mean value was 1.93with a range from 1 to 5, standard deviation of 0.8, and variable coefficient of 41.17%; this was the most substantialvariation and a relatively large variation range. The average central base diameter was 1.8 mm, with a range from 1.4 mm to2.2 mm, and standard deviation of 0.18. Its variable coefficient, 9.87%, had the lowest variation range and least variancedifference among the three productive characters. All of the above three characters had normal distributions: Mostof the linear growth rates of Fgametophytes distributed between 3.0%/d and 6.0%/d; 40% of individuals had 2branches after 28 days of culturing; and central base diameter mostly distributed between 1.6 mm and 2.1 mm. Standarddeviation analysis revealed large variation in the range of characters of the Fgeneration of these gametophyte plants.Based on DTOPSIS comprehensive analysis, three productive characters of Fgeneration gametophytes were comprehensivelyevaluated, and 100 strains were ranked based on their value. The results showed that strains 20, 47, 93, 6,and 31 were superior to the others because they had higher values, which indicates that they have a balance of advantageousgrowth rate, branch number, and central base diameter. These strains could be exploited for genetics-basedbreeding before they reach maturity. In addition, adjacent strains ranked by DTOPSIS analysis had similar values,whereas strains at either extreme showed substantial difference, which was consistent with the normal distribution. GL gametophytes of the three productive characters indicates that strains with substantialcharacter differences can be chosen as parents for hybridization to obtain improved varieties. DTOPSIS analysisintuitively measured comprehensive traits of Fgametophytes, which provides a theoretical basis for subsequent researchon strain selection and further construction of a

    参考文献
    相似文献
    引证文献
引用本文

李彬彬,胡依依,隋正红,郭伟华.龙须菜新品系GL 家系F1 配子体的性状分析[J].中国水产科学,2015,22(5):933-940
LI Binbin, HU Yiyi, SUI Zhenghong, GUO Weihua. F1 gametophyte trait analysis of a new strain GL family of Gracilaria/Gracilariopsis lemaneiformis (Rhodophyta)[J]. Journal of Fishery Sciences of China,2015,22(5):933-940

复制
相关视频

分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:
  • 最后修改日期:
  • 录用日期:
  • 在线发布日期: 2015-09-15
  • 出版日期:
文章二维码