IDENTIFICATION OF MOLECULAR MARKERS LINKED TO THE GENES CONTROLLING WIDTH AND LENGTH FLAG AND SCOND LEAVES AND GRAIN YIELD IN BREAD WHEAT UNDER RAINFED AND SUPPLEMENTARY IRRIGATION CONDITIONS

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MOHAMMADI YOUSEF; MOHAMMADI SEYED ABOLGHASEM; MOGHADDAM MOHAMMAD; ROUSTAEI MOZAFAR

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Journal: Cereal Research Year:2016 | Volume:6 | Issue:3 Page(s): 271-282

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Title

IDENTIFICATION OF MOLECULAR MARKERS LINKED TO THE GENES CONTROLLING WIDTH AND LENGTH FLAG AND SCOND LEAVES AND GRAIN YIELD IN BREAD WHEAT UNDER RAINFED AND SUPPLEMENTARY IRRIGATION CONDITIONS

Author(s)

MOHAMMADI YOUSEF | MOHAMMADI SEYED ABOLGHASEM | MOGHADDAM MOHAMMAD | ROUSTAEI MOZAFAR | Issue Writer Certificate

Keywords

COMPOSITE INTERVAL MAPPINGQ3

QTL ANALYSISQ2

WATER DEFICIT STRESSQ2

Abstract

Drought is the most important abiotic stress affecting growth and production of wheat worldwide. To identify genes controlling grain yield, length and width of flag and second leaves in bread wheat, 121 recombinant inbred lines derived from a cross between drought tolerant Azar2 and high yielding 87Zhong 291 varieties were evaluated under rainfed and supplementary irrigation. Transgressive segregation was observed for all of the studied traits as revealed by phenotypic distribution of the traits. Genetic map consisted of 37 SSR, 16 and 32 AFLP markers covered 1157 cM of wheat genome with an average distance of 17.26 cM between two adjacent markers. Based on COMPOSITE INTERVAL MAPPING, 59 QTLs were identified for the studied traits under rainfed and supplementary irrigation. For flag leaf length, 4 and 1 QTLs were identified under rainfed and supplementary irrigation, respectively. In addition, 7, 8 and 9 QTLS were mapped for width of flag leaf, length and width of second leaf under rainfed condition, respectively. For grain yield, 20 and 10 QTLs were mapped in the supplementary irrigation and rainfed conditions, respectively. In this study, 8 QTLs were common for the traits under study which could be due to genetic linkage or plieotropy. Considering the importance of genomic region between ISSR25_2-CFA2257 markers in controlling grain yield, with saturation of this region with more markers, their could be used in marker assisted selection program.

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APA: Copy

MOHAMMADI, YOUSEF, MOHAMMADI, SEYED ABOLGHASEM, MOGHADDAM, MOHAMMAD, & ROUSTAEI, MOZAFAR. (2016). IDENTIFICATION OF MOLECULAR MARKERS LINKED TO THE GENES CONTROLLING WIDTH AND LENGTH FLAG AND SCOND LEAVES AND GRAIN YIELD IN BREAD WHEAT UNDER RAINFED AND SUPPLEMENTARY IRRIGATION CONDITIONS. CEREAL RESEARCH, 6(3), 271-282. SID. https://sid.ir/paper/246644/en

Vancouver: Copy

MOHAMMADI YOUSEF, MOHAMMADI SEYED ABOLGHASEM, MOGHADDAM MOHAMMAD, ROUSTAEI MOZAFAR. IDENTIFICATION OF MOLECULAR MARKERS LINKED TO THE GENES CONTROLLING WIDTH AND LENGTH FLAG AND SCOND LEAVES AND GRAIN YIELD IN BREAD WHEAT UNDER RAINFED AND SUPPLEMENTARY IRRIGATION CONDITIONS. CEREAL RESEARCH[Internet]. 2016;6(3):271-282. Available from: https://sid.ir/paper/246644/en

IEEE: Copy

YOUSEF MOHAMMADI, SEYED ABOLGHASEM MOHAMMADI, MOHAMMAD MOGHADDAM, and MOZAFAR ROUSTAEI, “IDENTIFICATION OF MOLECULAR MARKERS LINKED TO THE GENES CONTROLLING WIDTH AND LENGTH FLAG AND SCOND LEAVES AND GRAIN YIELD IN BREAD WHEAT UNDER RAINFED AND SUPPLEMENTARY IRRIGATION CONDITIONS,” CEREAL RESEARCH, vol. 6, no. 3, pp. 271–282, 2016, [Online]. Available: https://sid.ir/paper/246644/en

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