STUDY OF GENETIC VARIATIONS AMONG IRANIAN IRISES SPECIES USING MORPHOLOGICAL CHARACTERISTICS

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AZIMI M.H.; SADEGHIAN S.Y.; BEYRAMZADEH E.; KALATE JARI S.; TAHERNEZHAD Z.

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Journal: IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY Year:2010 | Volume:11 | Issue:1 Page(s): 71-86

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Title

STUDY OF GENETIC VARIATIONS AMONG IRANIAN IRISES SPECIES USING MORPHOLOGICAL CHARACTERISTICS

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Keywords

CLUSTER ANALYSISQ2

GENETICAL VARIATIONQ2

IRISQ3

QUANTITIES AND QUALITATIVE TRAITSQ2

Abstract

Iris is one of the most important cut flowers in Iran and around the world. Number of choromosomes of Iranian IRIS, varies between 2n=2x=18 to 48. Identification of genetical potentials of IRIS germplasm in Iran and their uses in creation of new cultivars, is the main aim of IRIS breeding. Genetic diversity of 18 IRIS species collected from different parts of Iran was studied using 15 quantitative and 30 qualitative traits that were evaluated on the basis of UPOV guidelines. The experiment was carried out at Research Station of Ornamental Plant Center at Mahalat in 2009. Statistical methods including correlation coefficients, means, principle component analysis (PCA), and CLUSTER ANALYSIS by UPGMA algorithm were applied for the quantitative traits. Qualitative characters were also used for species grouping according to CLUSTER ANALYSIS. The results showed that genetic variations among different species with considering various characters. Inner tepal length with inner tepal width, branch flowering thikness with crown thikness and crown thikness with leaf width had the highest positive significant correlations and the perianth tube length with pistil width of bridge had the lowest negative correlation. Meanwhile, I. germanica, I. iberica, I. paradoxa and I. spuria almost had the highest quantitative traits. Results of principle component analysis showed that 77.39% of total variations were defiened by four components. CLUSTER ANALYSIS based on quantitative traits, divided all species into two main groups. One group was tall IRISes with rhizomatous type which grows naturally under humid conditions and second group was short IRISes having rhizomatous or bulb and was usually found under dry conditions. CLUSTER ANALYSIS based on qualitative traits, divided all IRISes in to two main groups varying in flower color, bud flower color, and perfume. No relationship was found between genetic diversity and geographical classification.

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APA: Copy

AZIMI, M.H., SADEGHIAN, S.Y., BEYRAMZADEH, E., KALATE JARI, S., & TAHERNEZHAD, Z.. (2010). STUDY OF GENETIC VARIATIONS AMONG IRANIAN IRISES SPECIES USING MORPHOLOGICAL CHARACTERISTICS. IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY, 11(1), 71-86. SID. https://sid.ir/paper/80937/en

Vancouver: Copy

AZIMI M.H., SADEGHIAN S.Y., BEYRAMZADEH E., KALATE JARI S., TAHERNEZHAD Z.. STUDY OF GENETIC VARIATIONS AMONG IRANIAN IRISES SPECIES USING MORPHOLOGICAL CHARACTERISTICS. IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY[Internet]. 2010;11(1):71-86. Available from: https://sid.ir/paper/80937/en

IEEE: Copy

M.H. AZIMI, S.Y. SADEGHIAN, E. BEYRAMZADEH, S. KALATE JARI, and Z. TAHERNEZHAD, “STUDY OF GENETIC VARIATIONS AMONG IRANIAN IRISES SPECIES USING MORPHOLOGICAL CHARACTERISTICS,” IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY, vol. 11, no. 1, pp. 71–86, 2010, [Online]. Available: https://sid.ir/paper/80937/en

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