EFFECT OF LATITUDE AND LONGITUDE ON QUANTITATIVE CHANGES OF SOME ANATOMICAL AND MORPHOLOGICAL FEATURES OF ALNUS SUBCORDATA C. A. MEY. LEAVES IN HYRCANIAN FORESTS
Publish place: The Iranian Journal of Botany، Vol: 26، Issue: 1
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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JR_IJB-26-1_013
تاریخ نمایه سازی: 27 آذر 1402
Abstract:
The effect of ecological factors and their interactions on quantitative changes of ۲۰ anatomical and two morphological traits of leaves in six different populations of Alnus subcordata C. A. Mey. in the west and east of the Hyrcanian forests in three elevation classes include lowland, midland and highland were analyzed and compared. Leaf area, glandular trichomes, thickness of cuticle cells, and stomatal density decreased from west to east and were significantly different in three classes of altitude. There is a positive correlation between traits. Leaf thickness and thickness of adaxial epidermal cells, from west to east, were also significantly influenced by the interaction of ecological features. The decrease rainfall from west to east and altitude have affected the mentioned anatomical traits. Thickness and width of palisade cells, thickness of spongy cells, number of spongy layers and the thickness of the main veins from east to west were not significant, but in terms of elevations, their differences were significant. Also, there was a positive correlation between leaf area, stomatal density, glandular trichome maximal length, cuticle thickness and vein thickness. Number of adaxial collenchymas layers of vein, thickness of vein abaxial parenchyma cells, number of abaxial parenchyma layers of vein and thickness of vascular bundle of vein also increased significantly as altitude increased. Various types of stomata have also been observed in this species.
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Authors
Rouhangiz Abbas-Azimi
Payam Noor University and Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran
Adel Jalili
Research Institute of Forests & Rangelands, Agricultural Research, Education and extension Organization (AREEO), Tehran, Iran
Gholamreza Bakhshi-Khaniki
Department of Biology, Payame Noor University (PNU), Tehran, Iran,
Hamid Sobhanian
Department of Biology, Payame Noor University (PNU), Tehran, Iran,
Mohammed Matinizadeh
Research Institute of Forests & Rangelands, Agricultural Research, Education and extension Organization (AREEO), Tehran, Iran.
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