IDDENTIFICATION OF QTLS FOR GRAIN WEIGHT IN BARLEY DOUBLED HAPLOID POPULATION

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PARIKHANI Z.; SADEGHZADEH B.; MOHAMMADI S.A.

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Journal: JOURNAL OF AGRICULTURAL BIOTECHNOLOGY Year:2017 | Volume:9 | Issue:2 Page(s): 0-0

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Title

IDDENTIFICATION OF QTLS FOR GRAIN WEIGHT IN BARLEY DOUBLED HAPLOID POPULATION

Author(s)

PARIKHANI Z. | SADEGHZADEH B. | MOHAMMADI S.A. | Issue Writer Certificate

Keywords

BARLEY YIELDQ1

MOLECULAR MARKERSQ1

QUANTITATIVE TRAITS LOCI (QTL)Q2

Abstract

To identify the QTLs affecting grain weight and yield, 148 doubled-haploid (DH) population derived from a cross between Clipper (high yield) and Sahara3771 (low yield) were screened under controlled conditions. The experiment was conducted in CRD with 3 replications. The new 30 ISSR marker loci were added to a backbone of 466 loci on the Clipper × Sahara DH linkage map. The map spanned 1460 centimorgans (cM) and had a mean density of 2 loci per 3 cM. The QTL analysis led to identification of 5 QTLs on 2H, 4H, 5H and 6H chromosomes for grain yield. These QTLs could explain 57% of the total phenotypic variation, and the QTL on chromosome 2H (ksuF2-mwg892) with 20% had the largest effect. For grain weight, 3 QTLs were identified, and the QTL on 2H could explain 69% of total phenotypic variation. The identification of QTLs with large effects on grain weight and yield illustrates the usefulness of MOLECULAR MARKERS in gene mapping and suggest that marker-assisted selection will be feasible in the near future in barley breeding programs.

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APA: Copy

PARIKHANI, Z., SADEGHZADEH, B., & MOHAMMADI, S.A.. (2017). IDDENTIFICATION OF QTLS FOR GRAIN WEIGHT IN BARLEY DOUBLED HAPLOID POPULATION. JOURNAL OF AGRICULTURAL BIOTECHNOLOGY, 9(2), 0-0. SID. https://sid.ir/paper/359247/en

Vancouver: Copy

PARIKHANI Z., SADEGHZADEH B., MOHAMMADI S.A.. IDDENTIFICATION OF QTLS FOR GRAIN WEIGHT IN BARLEY DOUBLED HAPLOID POPULATION. JOURNAL OF AGRICULTURAL BIOTECHNOLOGY[Internet]. 2017;9(2):0-0. Available from: https://sid.ir/paper/359247/en

IEEE: Copy

Z. PARIKHANI, B. SADEGHZADEH, and S.A. MOHAMMADI, “IDDENTIFICATION OF QTLS FOR GRAIN WEIGHT IN BARLEY DOUBLED HAPLOID POPULATION,” JOURNAL OF AGRICULTURAL BIOTECHNOLOGY, vol. 9, no. 2, pp. 0–0, 2017, [Online]. Available: https://sid.ir/paper/359247/en

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