Chinese Journal OF Rice Science >
QTL Mapping of Yield Related Traits in Super Rice Variety Zhongjiazao 17
# These authors contributed equally to this work;
Received date: 2015-04-08
Revised date: 2015-07-20
Online published: 2016-01-10
The rice yield related agronomic traits were examined, and the genetic linkage maps were constructed with the F2 populations derived from Zhongjiazao 17 × D50. A total of 66 QTLs for yield related traits were mapped, with the contribution rate ranging from 0.08%~20.45%, distributed on all the 12 chromosomes except for chromosome 9. Numbers of QTLs for yield related traits were mapped in the same intervals on Chr.3, Chr.7 and Chr.10,respectively, in F2 or F2:3 populations, and the positive alleles were contributed by Zhongjiazao 17. Among the mapped 66 QTLs,these detected in both F2 and F2:3 populations with high contribution rate include qPH-10, qFLW-4, qTGW-2,of which the positive alleles were also contributed by Zhongjiazao 17. In total, 66 QTLs for yield related traits were preliminarily examined in super rice variety Zhongjiazao 17, which will provide theoretical and technical supports to breed new super rice varieties with higher yield and better comprehensive characteristics by transfering excellent genes from Zhongjiazao 17 into other rice varieties.
Key words： QTL mapping; yield related trait; super rice
Zhong-hua SHENG, Zi-liang ZHU, Ning MA, Wei LI, Ji-wai HE, Xiang-jin WEI, Gao-neng SHAO, Jian-long WANG, Pei-song HU, Shao-qing TANG . QTL Mapping of Yield Related Traits in Super Rice Variety Zhongjiazao 17[J]. Chinese Journal OF Rice Science, 2016 , 30(1) : 35 -43 . DOI: 10.16819/j.1001-7216.2016.5061
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