SSR 분자표지이용 콩 불마름병 저항성 관여 양적형질 유전자좌(QTL) 분석
Identification of Quantitative Trait Loci Associated with Resistance to Bacterial Pustule (Xanthomonas axonopodis pv. glycines) in Soybean
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Abstract
Bacterial pustule (BP), caused by Xanthomonas axonopodis pv. glycines, is prevalent disease in major soybean production areas. BP can reduce seed yield as well as seed quality. To identify the genomic region associated with the resistance to BP, QTL analysis was conducted using F10 RIL (recombinant inbred lines) population, Keunolkong×Shinpaldalkong. Four QTLs for BP disease were identified on the linkage group B2, D2, I and K in field accounts for 36.4% of the phenotypic variation. Especially, QTL at near of Satt135 on LG D2 was identified in green house experiment explaining 20.9% of the phenotypic variation was found to be a major QTL conferring BP. One of these QTLs, Satt135 on the LG D2, was also identified in green house experiment. In both field and green house condition, the position of major QTL for BP was detected between Satt135 and Satt397 on the LG D2. The major QTL for BP may be used for minimizing soybean BP through effective markerassisted selection (MAS).
참고문헌 (19)
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