[1]赵凌,张亚东,赵春芳,等.TD70/Kasalath RIL群体定位水稻花药基部开裂长度QTL[J].江苏农业学报,2015,(04):711-717.[doi:10.3969/j.issn.1000-4440.2015.04.001]
　ZHAO Ling,ZHANG Ya-dong,ZHAO Chun-fang,et al.Mapping of QTLs for length of basal dehiscence of thecae in rice using TD70/ Kasalath RIL population[J].,2015,(04):711-717.[doi:10.3969/j.issn.1000-4440.2015.04.001]
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TD70/Kasalath RIL群体定位水稻花药基部开裂长度QTL()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年04期
页码:
711-717
栏目:
遗传育种·生理生化
出版日期:
2015-08-31

文章信息/Info

Title:
Mapping of QTLs for length of basal dehiscence of thecae in rice using TD70/ Kasalath RIL population
作者:
赵凌1; 张亚东1; 赵春芳1; 周丽慧1; 姚姝1; 于新1; 丁丹1; Tsutomu Matsui2; 王才林1
（1.江苏省农业科学院粮食作物研究所/江苏省优质水稻工程技术研究中心/国家水稻改良中心南京分中心，江苏南京210014；2.Faculty of Applied Biological Science, Gifu University, Gifu 501-2354, Japan）
Author(s):
ZHAO Ling1; ZHANG Ya-dong1; ZHAO Chun-fang1; ZHOU Li-hui1; YAO Shu1; YU Xin1; DING Dan1; MATSUI Tsutomu2; WANG Cai-lin1
（1.Institute of Food Crops, Jiangsu Academy of Agricultural Sciences/Jiangsu High Quality Rice R&D Center/Nanjing Branch of China National Center for Rice Improvement, Nanjing 210014, China；2.Faculty of Applied Biological Science, Gifu University, Gifu 501-2354, Japan)
关键词:
水稻; 重组自交系; 花药基部开裂长度; QTL 
Keywords:
rice; recombinant inbred line; length of basal dehiscence of thecae; quantitative trait locus
分类号:
S511
DOI:
10.3969/j.issn.1000-4440.2015.04.001
文献标志码:
A
摘要:
利用花药基部开裂长度存在明显差异的粳稻品系TD70和籼稻品种Kasalath的重组自交系（包含240个系）为作图群体，对控制水稻花药基部开裂长度的QTL进行鉴定，并对水稻花药基部开裂长度和其他农艺性状进行相关性分析。利用IciMappingv3.4软件，运用复合区间作图法，以均匀分布于12条染色体的141个SSR标记进行花药基部开裂长度的QTL检测，共检测到2个QTL位点，其中qLDBT6位于第6染色体RM3和RM3628之间，LOD值3.23，贡献率6.18%，加性效应17.74%;qLDBT8位于第8染色体RM1376和RM4085之间，LOD值2.95，贡献率8.00%，加性效应20.09%，推测该区域与小穗不育有重要关系，有必要进一步研究。RIL群体的花药基部开裂长度与剑叶宽、千粒质量、粒长、粒宽、粒厚间存在极显著正相关，与抽穗期、株高、分蘖数、剑叶长、总粒数、结实率、抽穗当天最高温度、抽穗期平均温度、抽穗期间最高温度以及芒长之间不相关。
Abstract:
Two hundred and forty recombinant inbred lines （RIL） derived from a cross between japonica rice TD70/Kasalath and its linkage map including 141 SSR markers were used to map QTLs controlling length of basal dehiscence of thecae(LDBT). Two QTLs controlling LDBT were detected on chromosomes 6 and 8, respectively. qLDBT6 was mapped between the marker RM3 and RM3628 on chromosome 6 with the LOD value of 3.23. qLDBT8 was mapped between the marker RM1376-RM4085 on chromosome 8 with the LOD value of 2.95. The LDBT of RILs had significant positive correlations with width of flag leaf，grain weight，grain width，grain length and grain thickness. No significant correlation was found between LDBT and plant height，heading date，number of tillers，length of flag leaf，average temperature at heading， and maximum temperature at heading, etc.

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备注/Memo

备注/Memo:
收稿日期：2014-12-29 基金项目：国家自然科学基金项目（31201181）；江苏省农业科技自主创新基金项目[CX（13）5004] 作者简介：赵凌（1976-），女，江苏南京人，副研究员，博士，主要从事水稻遗传育种研究。（Tel）025-84390314;(E-mail)zhaoling@jaas.ac.cn 通讯作者：王才林，(Tel)025-84390307；（E-mail）clwang@jaas.ac.cn
更新日期/Last Update: 2015-08-31