期刊
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE B
卷 9, 期 12, 页码 938-943出版社
ZHEJIANG UNIV
DOI: 10.1631/jzus.B0820105
关键词
Barley (Hordeum vulgare L; ); Double haploid (DH); Flag leaf; Quantitative trait loci (QTL); Q78
类别
资金
- National Natural Science Foundation of China [30630047]
- Institutions of Higher Education for Academic Disciplinary Innovations, China [B06014]
To understand genetic patterns of the morphological and physiological traits in flag leaf of barley, a double haploid (DH) population derived from the parents Yerong and Franklin was used to determine quantitative trait loci (QTL) controlling length, width, length/width, and chlorophyll content of flag leaves. A total of 9 QTLs showing significantly additive effect were detected in 8 intervals on 5 chromosomes. The variation of individual QTL ranged from 1.9% to 20.2%. For chlorophyll content expressed as SPAD value, 4 QTLs were identified on chromosomes 2H, 3H and 6H; for leaf length and width, 2 QTLs located on chromosomes 5H and 7H, and 2 QTLs located on chromosome 5H were detected; and for length/width, 1 QTL was detected on chromosome 7H. The identification of these QTLs associated with the properties of flag leaf is useful for barley improvement in breeding programs.
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