A MAPPING OF QTLS CONTROLLING AGRONOMIC AND MORMOPHOLOGICAL TRAITS IN WHEAT

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DASHTI H.; YAZDI SAMADI B.; BIHAMTA M.R.

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Journal: IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE) Year:2006 | Volume:37-1 | Issue:3 (AGRONOMY & CROP BIOTECHNOLOGY) Page(s): 531-537

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Title

A MAPPING OF QTLS CONTROLLING AGRONOMIC AND MORMOPHOLOGICAL TRAITS IN WHEAT

Author(s)

DASHTI H. | YAZDI SAMADI B. | BIHAMTA M.R. | Issue Writer Certificate

Keywords

QTL ANALYSISQ3

MOLECULAR MARKERSQ2

DOUBLED HAPLOIDQ3

LINKAGE MAPQ2

WHEATQ3

Abstract

QTL-analysis and marker assisted selection are methods recently developed to improve genetic gain in plant breeding. In order to map QTLs for dry biological weight, ear length, harvest index, heading date and plant height, a segregating population of % DOUBLED HAPLOID lines derived from a cross of Chinese Spring and SQ, were evaluated in 2004, in a completely randomized design with three replications in greenhouse. Plants were planted in pots and were placed outside greenhouse during winter and were transferred to green house after vernalization. Measurements were made at their proper times. Statistical analysis on phenotypic data showed that the lines were significantly different for all traits (P= 0.001) except for harvest index which was significant at 0.01. A set of 338 markers were used to construct a LINKAGE MAP containing 24 linkage groups by MAPMAKERJEXP. QTL-analysis was accomplished via composite interval mapping through QTLC artographer software. Four QTLs were detected for biological weight on chromosomes 1A, 2A, 2B and 7A which explained 23%, 18%, 36%, and 20% of phenotypic variations, respectively. Two QTLs were detected for ear length on 2A and 2B which explained 10% and 14% of the phenotypic variations and one QTL detected for harvest index on 2B which explained %69 phenotypic variations. Three QTLs were detected for heading date on 2B, 6B and7D which explained 69%, 19% and 14% of phenotypic variations respectively, while tow QTLs detected for height on 2B and 4B which explained 14% and 30% of the phenotypic variations of this trait, respectively.

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References

تجزیه QTL صفات مقاومت به سرما و تاریخ خوشه دهی در گندم، با استفاده از هاپلوئیدهای دوبل شده

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APA: Copy

DASHTI, H., YAZDI SAMADI, B., & BIHAMTA, M.R.. (2006). A MAPPING OF QTLS CONTROLLING AGRONOMIC AND MORMOPHOLOGICAL TRAITS IN WHEAT. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), 37-1(3 (AGRONOMY & CROP BIOTECHNOLOGY)), 531-537. SID. https://sid.ir/paper/8629/en

Vancouver: Copy

DASHTI H., YAZDI SAMADI B., BIHAMTA M.R.. A MAPPING OF QTLS CONTROLLING AGRONOMIC AND MORMOPHOLOGICAL TRAITS IN WHEAT. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE)[Internet]. 2006;37-1(3 (AGRONOMY & CROP BIOTECHNOLOGY)):531-537. Available from: https://sid.ir/paper/8629/en

IEEE: Copy

H. DASHTI, B. YAZDI SAMADI, and M.R. BIHAMTA, “A MAPPING OF QTLS CONTROLLING AGRONOMIC AND MORMOPHOLOGICAL TRAITS IN WHEAT,” IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), vol. 37-1, no. 3 (AGRONOMY & CROP BIOTECHNOLOGY), pp. 531–537, 2006, [Online]. Available: https://sid.ir/paper/8629/en

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