The Plant Pathology Journal 2009;25(4):408-416.
Published online December 31, 2009.
Evaluation of Bacterial Blight Resistance Using SNP and STS Marker-assisted Selection in Aromatic Rice Germplasm
Jeong Soon Kim, Jae Gyun Gwang, Ki Hun Park, Chang Ki Shim
Abstract
A molecular survey was conducted to identify the presence of the bacterial blight resistance genes (Xa1, Xa4, xa5, xa13 and Xa21) in 86 accessions of aromatic rice obtained from germplasm. The results revealed that the resistance gene Xa4 (32.5%), Xa21 (17%), and xa5 (16%) were widely observed in tested rice germplasm. Among tested rice germplasm, 49 accessions showed the presence of more than one of five R genes, and 37 accessions possessed none of the R gene. TALLi and 05- IRRi-M-46 showed the presence of Xa4, xa5, xa13 and Xa21. Rice race 415
Key Words: Aromatic rice, bacterial blight resistance, MAS


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