STUDY ON SOME ECOLOGICAL FACTORS, MORPHOLOGICAL TRAITS, PLOIDY LEVELS AND ESSENTIAL OIL COMPOSITION OF THYMUS PUBESCENS BOISS. & KOTSCHY EX CELAK IN TWO NATURAL REGIONS OF EAST AZERBAIJAN PROVINCE

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YAVARI A.R.; NAZERI V.; SEFIDKON F.; HASSANI M.E.

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Journal: IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS Year:2011 | Volume:26 | Issue:4 (50) Page(s): 500-512

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Title

STUDY ON SOME ECOLOGICAL FACTORS, MORPHOLOGICAL TRAITS, PLOIDY LEVELS AND ESSENTIAL OIL COMPOSITION OF THYMUS PUBESCENS BOISS. & KOTSCHY EX CELAK IN TWO NATURAL REGIONS OF EAST AZERBAIJAN PROVINCE

Author(s)

YAVARI A.R. | NAZERI V. | SEFIDKON F. | HASSANI M.E. | Issue Writer Certificate

Keywords

THYMUS PUBESCENS BOISS. & KOTSCHY EX CELAKQ3

MORPHOLOGICAL TRAITSQ2

PLOIDY LEVELSQ2

ESSENTIAL OILQ2

THYMOLQ2

Abstract

In order to evaluate several ecological factors and MORPHOLOGICAL TRAITS and also to determine PLOIDY LEVELS and chemical composition of ESSENTIAL OIL of Thymus pubescens Boiss. & Kotschy ex Celak two natural habitats, Bostan-Abad and Yam habitats, were chosen in East Azerbaijan province. To study and evaluate quantitative morphological characters, five complete plants and flowering branches were collected from each locality at flowering stage for ESSENTIAL OIL extraction. Seeds also were collected in seed production season to study seed characters and chromosome counting. Ecological data of both localities also were recorded. Vegetative and reproductive traits of each population were studied and ESSENTIAL OIL of each locality was analyzed by combination of GC-FID and GC-MS. At least 10 mitotic cells of each population were studied to determine chromosome number and PLOIDY LEVELS. Results revealed that specimens from “Yam” had the longest flowering stems, the largest leaves and flowers, and also the highest number of flowers per inflorescence. Chromosome count results showed that specimens from Bostan-Abad were hexaploid (2n=6x=90) and those of Yam were tetraploid (2n=4x=60). The total yield of oils based on dry weight was 1.3% and 2.2% (w/w) from Bostan-Abad and Yam, respectively. THYMOL was the main valuable phenolic compound similar to most of the species of genus Thymus (Bostan-Abad: 57.6% and Yam: 44.9%).

Cites

TAXONOMIC STUDY OF THYMUS ERIOCALYX (RONNIGER) JALAS IN IRAN WITH EMPHASIS ON FLORISTIC MARKER AND USING SPECIAL STATION METHOD

References

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APA: Copy

YAVARI, A.R., NAZERI, V., SEFIDKON, F., & HASSANI, M.E.. (2011). STUDY ON SOME ECOLOGICAL FACTORS, MORPHOLOGICAL TRAITS, PLOIDY LEVELS AND ESSENTIAL OIL COMPOSITION OF THYMUS PUBESCENS BOISS. & KOTSCHY EX CELAK IN TWO NATURAL REGIONS OF EAST AZERBAIJAN PROVINCE. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, 26(4 (50)), 500-512. SID. https://sid.ir/paper/105647/en

Vancouver: Copy

YAVARI A.R., NAZERI V., SEFIDKON F., HASSANI M.E.. STUDY ON SOME ECOLOGICAL FACTORS, MORPHOLOGICAL TRAITS, PLOIDY LEVELS AND ESSENTIAL OIL COMPOSITION OF THYMUS PUBESCENS BOISS. & KOTSCHY EX CELAK IN TWO NATURAL REGIONS OF EAST AZERBAIJAN PROVINCE. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS[Internet]. 2011;26(4 (50)):500-512. Available from: https://sid.ir/paper/105647/en

IEEE: Copy

A.R. YAVARI, V. NAZERI, F. SEFIDKON, and M.E. HASSANI, “STUDY ON SOME ECOLOGICAL FACTORS, MORPHOLOGICAL TRAITS, PLOIDY LEVELS AND ESSENTIAL OIL COMPOSITION OF THYMUS PUBESCENS BOISS. & KOTSCHY EX CELAK IN TWO NATURAL REGIONS OF EAST AZERBAIJAN PROVINCE,” IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, vol. 26, no. 4 (50), pp. 500–512, 2011, [Online]. Available: https://sid.ir/paper/105647/en

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