, 165:587 | Cite as

Mapping of QTLs associated with cadmium tolerance and accumulation during seedling stage in rice (Oryza sativa L.)

  • Dawei Xue
  • Mingcan Chen
  • Guoping Zhang


Cadmium (Cd) is a non-essential element and toxic to plants. To investigate the genetics of Cd tolerance and accumulation in rice, quantitative trait loci (QTL) associated with Cd tolerance and accumulation at the seedling stage were mapped using a doubled haploid (DH) population derived from a cross between a japonica JX17 and an indica ZYQ8. A total of 22 QTLs were found to be associated with shoot height (SH), root length (RL), shoot dry weight (SDW), root dry weight (RDW), total dry weight (TDW) and chlorophyll content (CC), and 10 and 12 QTLs were identified under the control and Cd stress conditions, respectively. For Cd tolerant coefficient (CTC), 6 QTLs were detected on chromosomes 1, 3, 5, 8 and 10. Under Cd stress, 3 QTLs controlling root and shoot Cd concentrations were mapped on chromosome 6 and 7. One QTL for shoot/root rate of Cd concentration was identified on chromosome 3. The results indicated that Cd tolerance and accumulation were quantitatively inherited, and the detected QTLs may be useful for marker-assistant selection (MAS) and identification of the genes controlling Cd tolerance and accumulation in rice.


Rice QTL Cadmium Tolerance Accumulation 



We are very grateful to Zhejiang Natural Science Foundation (Z304104) for their financial support.


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© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  1. 1.Agronomy DepartmentZhejiang UniversityHangzhouChina
  2. 2.College of AgronomyHenan University of Science and TechnologyLuoyangChina

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