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MAPPING QTLs FOR PHOSPHORUS DEFICIENCY TOLERANCE IN RICE ( Oryza sativa . L )
| Content Provider | Semantic Scholar |
|---|---|
| Author | Lang, Nguyễn Thị Buu, Bui Chi |
| Copyright Year | 2006 |
| Abstract | A BC2F3 line population was developed by single-seed descent from a cross between OM2395 x AS996. The tolerant variety AS996 to P deficiency is one derivative of Oryza rufipogon whereas high yielding variety OM2395 is sensitive. SSR linkage map consisting of 116 polymorphic SSR markers showed the location of quantitative trait loci associated with relative shoot length, relative root length, relative shoot dry weight, relative root dry weight. SSR technique combined with selective genotyping was used to map quantitative trait loci associated with Pdeficiency tolerance in rice. A map consisting of 116 SSR markers was constructed. Its length was 2,905.5cM with an average interval size of 23.05cM. Based on the constructed map, a major QTL for P-deficiency tolerance was located on chromosome 12. Several minor QTLs were mapped on chromosome 1, 2, 5 and 9. This study indicated the candidate gene linked to RM235 and RM247 on chromosome 12, with the interval distance of 0.2 cM. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://clrri.org/ver2/uploads/noidung/14-01_2.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
