红麻株高与茎粗性状的动态发育遗传分析

应用生态学报 ›› 2005, Vol. 16 ›› Issue (6): 1011-1016.

红麻株高与茎粗性状的动态发育遗传分析

陈幼玉¹, 祁建民¹, 林荔辉¹, 梁康迳¹, 周瑞阳², 吴建梅¹

1. 福建农林大学生命科学学院, 福州 350002;
2. 广西大学农学院, 南宁 530007

收稿日期:2004-08-20 修回日期:2005-03-14 出版日期:2005-06-15 发布日期:2005-06-15
通讯作者: 祁建民
基金资助:
国家"863"计划项目(2001AA241212)、国家自然科学基金项目(3007048)和福建省自然科学基金资助项目(B0110018).

Kinetic developmental genetics analysis of Hibiscus cannabinus plant height and stem diameter

CHEN Youyu¹, QI Jianmin¹, LIN Lihui¹, LIANG Kangjing¹, ZHOU Ruiyang², WU Jianmei ¹

1. College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
2. Agricultural College, Guangxi University, Nanning 530007, China

Received:2004-08-20 Revised:2005-03-14 Online:2005-06-15 Published:2005-06-15

摘要/Abstract

摘要： 红麻株高、茎粗是两个最重要的动态发育的经济性状.发育遗传学已探明生物个体的不同发育阶段基因是按一定的时空秩序有选择地表达的.采用数量性状的加性显性遗传模型和发育遗传模型,分析了红麻株高与茎粗在不同生长发育时期的遗传规律,即估算了株高与茎粗在某一生长发育时间(0→t)或某一特定生长发育时间段(t-1→t)的遗传效应.结果表明,株高在不同生长发育时期的非条件、条件遗传效应两者基本一致,均以显性效应为主,加性效应较弱,但条件遗传效应的分析与实际更为相符;茎粗的非条件、条件遗传效应表现一致,各个生长发育时期均未检测到加性效应,而显性效应均达显著、极显著水平;在各个不同生长发育时期中,株高与茎粗均在7月28日～8月9日(旺长期)、9月2～14日(纤维累积期)之间基因表达较活跃.株高与茎粗相关分析表明,两者在各个生长发育阶段均不存在加性相关,但8月21日之后的各期株高与茎粗之间均为显著或极著显正相关,该时期后进行相关选择比较有效.

关键词: 红麻, 株高, 茎粗, 发育遗传, 遗传效应

Abstract: By using quantitative traits additive-dominance genetics model and developmental genetics model,this paper analyzed the developmental behaviors of gene expression for Hibiscus cannabinu plant height and stem diameter at its different growth stages.The results showed that at different growth stages,the unconditional and conditional genetics effects of plant height all showed dominance,while the additive effect was weak.No additive effect was found for stem diameter,but dominance effect was significant at each growth stage.Plant height and stem diameter all had active gene expression from July 28 to August 9,and from September 2 to September 14.There was no additive correlation between plant height and stem diameter,but positive dominance correlation was significant after August 21.The unconditional and conditional genetics effects of plant height and stem diameter were not completely the same.According to practice,conditional genetic analysis could indicate the gene expression more truly in the whole growth period.The ecological and genetics variation patterns of Hibiscus cannabinus plant height and stem diameter at different space-time growth stages implied by our research was of significance in Hibiscus cannabinus genetics and breeding in both theory and practice.

Key words: Hibiscus cannabinus, Plant height, Stem diameter, Developmental genetics, Genetics effect

中图分类号:

S563.5

陈幼玉, 祁建民, 林荔辉, 梁康迳, 周瑞阳, 吴建梅. 红麻株高与茎粗性状的动态发育遗传分析[J]. 应用生态学报, 2005, 16(6): 1011-1016.

CHEN Youyu, QI Jianmin, LIN Lihui, LIANG Kangjing, ZHOU Ruiyang, WU Jianmei . Kinetic developmental genetics analysis of Hibiscus cannabinus plant height and stem diameter[J]. Chinese Journal of Applied Ecology, 2005, 16(6): 1011-1016.

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