THE PRODUCTION OF SECONDARY TRITIPYRUM GENOTYPES AND STUDY OF ANEUPLOIDY AND HOMOEOLOGY IN F1 AND F2 PROGENIES BY CHROMOSOME ENGINEERING METHODS

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KHANAMANI FALAHATIPOUR S.; SHAHSAVAND HASSANI H.; BAGHIZADEH A.; KARIMZADEH G.; PORTABRIZI S.

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Journal: AGRICULTURAL RESEARCH Year:2008 | Volume:8 | Issue:1 (B) Page(s): 221-232

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Title

THE PRODUCTION OF SECONDARY TRITIPYRUM GENOTYPES AND STUDY OF ANEUPLOIDY AND HOMOEOLOGY IN F1 AND F2 PROGENIES BY CHROMOSOME ENGINEERING METHODS

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Keywords

PRIMARY TRITIPYRUM LINESQ2

INTERSPECIFIC SOURCE POPULATIONQ3

ANEUPLOIDYQ3

HOMOEOLOGY INDEXQ3

Abstract

Primary Tritipyrum is a new amphiploid which has been produced by crossing between Triticum durum (female) and Thinopyrum bessarabicum (male). Although it has potential to be introduced as a new crop but encounters with partial chromosome instability, late maturity, bittle rachis, low fertility and keep on producing tillers. To remove these unfavorable traits, it is possible to cross PRIMARY TRITIPYRUM LINES and Iranian wheat cultivars and select the possible secondary Tritipyrum genotypes in selfing and back cross populations. In the present study, 393 crosses was performed between PRIMARY TRITIPYRUM LINES (female) and Iranian wheat cultivars (male) during the 2004-2005. The interspecific population (F1) with 274 plants was obtained which were selfed and the F2 population with 1968 plants was produced. The mitotic chromosome counting of 31 F1 (2n=6x=42, AABBDEb) showed 42 chromosomes, where as in 60 F2 (2n=6x=?, AABBD(0-14) Eb(0-14) it was in a range of 32-44 chromosomes and higher ANEUPLOIDY ration was observed in F2, s than the F1, s plants. The chromosomes pairing studies in 21, 28 and 6 plants from PRIMARY TRITIPYRUM LINES (F0), F1 and F2 plants were performed, respectively. The results indicated that the arm association index in F1 plants was more than F2. The HOMOEOLOGY INDEX reduced in F1 plants because of the existence of chromosomal abnormalities in F1, s more than F2, s and F0, s plants. The single chromosomes in F1, s were more than F2, s and PRIMARY TRITIPYRUM LINES (F0, s).

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APA: Copy

KHANAMANI FALAHATIPOUR, S., SHAHSAVAND HASSANI, H., BAGHIZADEH, A., KARIMZADEH, G., & PORTABRIZI, S.. (2008). THE PRODUCTION OF SECONDARY TRITIPYRUM GENOTYPES AND STUDY OF ANEUPLOIDY AND HOMOEOLOGY IN F₁ AND F₂ PROGENIES BY CHROMOSOME ENGINEERING METHODS. AGRICULTURAL RESEARCH, 8(1 (B)), 221-232. SID. https://sid.ir/paper/84772/en

Vancouver: Copy

KHANAMANI FALAHATIPOUR S., SHAHSAVAND HASSANI H., BAGHIZADEH A., KARIMZADEH G., PORTABRIZI S.. THE PRODUCTION OF SECONDARY TRITIPYRUM GENOTYPES AND STUDY OF ANEUPLOIDY AND HOMOEOLOGY IN F₁ AND F₂ PROGENIES BY CHROMOSOME ENGINEERING METHODS. AGRICULTURAL RESEARCH[Internet]. 2008;8(1 (B)):221-232. Available from: https://sid.ir/paper/84772/en

IEEE: Copy

S. KHANAMANI FALAHATIPOUR, H. SHAHSAVAND HASSANI, A. BAGHIZADEH, G. KARIMZADEH, and S. PORTABRIZI, “THE PRODUCTION OF SECONDARY TRITIPYRUM GENOTYPES AND STUDY OF ANEUPLOIDY AND HOMOEOLOGY IN F₁ AND F₂ PROGENIES BY CHROMOSOME ENGINEERING METHODS,” AGRICULTURAL RESEARCH, vol. 8, no. 1 (B), pp. 221–232, 2008, [Online]. Available: https://sid.ir/paper/84772/en

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