Phenotypic and Marker Assisted Evaluation of Korean Wheat CultivarsPhenotypic and Marker Assisted Evaluation of Korean Wheat Cultivars
- Other Titles
- Phenotypic and Marker Assisted Evaluation of Korean Wheat Cultivars
- Authors
- Yeonju Jung; 박철수; 정지웅; 강천식; 이지안; 최유미; 이정로; Myung-Chul Lee; Chung- Kon Kim; 서용원
- Issue Date
- 2011
- Publisher
- 한국육종학회
- Keywords
- Wheat; Fusarium head blight (FHB); Fungal resistance; Marker
- Citation
- 한국육종학회지, v.43, no.4, pp.273 - 281
- Indexed
- KCI
- Journal Title
- 한국육종학회지
- Volume
- 43
- Number
- 4
- Start Page
- 273
- End Page
- 281
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/113465
- ISSN
- 0250-3360
- Abstract
- Fusarium head blight (FHB), also known as scab, caused mainly by Fusarium graminearum is a devastating disease of wheat in regions that are warm and humid during flowering. In addition to significant yield and quality losses, the mycotoxin deoxynivalenol produced by the pathogen in infected wheat kernels is a serious problem for food and feed safety. Twenty- three Korean cultivars and “Sumai 3”, which is a FHB-resistant Chinese cultivar were tested for Type I, Type II resistances of FHB.
Three cultivars were identified as resistant in Type I assessment, and two cultivars were resistant in Type II assessment. Genetic variation and relationship among the cultivars were evaluated on the basis of 11 Simple Sequence Repeat (SSR) and 29 Sequence Tagged Site (STS) markers that were linked to FHB resistance Quantitative Trait Loci (QTL) on chromosome 3BS. One SSR and 7 STS markers detected polymorphisms. Especially, using a STS marker (XSTS3B-57), 32.4% of the variation for Type II FHB resistance could be explained. Genetic relationship among Korean wheat cultivars was generally consistent with their released year. These markers on chromosome 3BS have the potential for accelerating the development of Korean wheat cultivars with improved Fusarium head blight resistance through the use of marker-assisted selection.
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