Morphological variation of Persian oak (Quercus brantii Lindl.) in Kohgiluyeh-va-Boyerahmad province, Iran

IF 2.1 3区农林科学 Q2 FORESTRY Trees Pub Date : 2024-06-06 DOI:10.1007/s00468-024-02528-3

Ali Khadivi, Farhad Mirheidari, Younes Moradi

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Key message

The studied populations of Persian oak (Quercus brantii Lindl.) showed high phenotypic variation that is very necessary for the planning, design, and implementation of genetic protection programs for oaks.

Abstract

Persian oak (Quercus brantii Lindl.) the most important tree species in the Zagros region includes more than 50% of the forests in this region. In the present study, 53 morphological traits were used to evaluate phenotypic variation among 100 trees belonging to Q. brantii collected from 10 areas of Kohgiluyeh-va-Boyerahmad province, Iran. Considerable variability was exhibited among the trees collected based on the traits measured (ANOVA, P < 0.01). The coefficient of variation (CV) ranged from 12.73 (in nut diameter) to 76.06% (in the transparency of leaf upper color). Leaf margin was highly variable, including doubly serrate, serrate, broadly spiny, spiny, and narrowly spiny. Leaf blade length ranged from 59.41 to 122.53 mm, nut weight ranged from 1.39 to 17.24 g, and kernel weight varied from 0.63 to 13.09 g. Principal component analysis (PCA) showed 15 main components, which contributed 76.60% of the total variance. Cluster analysis based on Ward’s method showed two different major clusters among all the trees studied. Besides, the studied 10 populations were placed into four groups in the bi-plot generated with PCA of population analysis. The studied populations of Q. brantii showed high phenotypic variation that is very necessary for the planning, design, and implementation of genetic protection programs for oaks.

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伊朗 Kohgiluyeh-va-Boyerahmad 省波斯栎（Quercus brantii Lindl.）

摘要波斯栎（Quercus brantii Lindl.）是扎格罗斯地区最重要的树种，占该地区森林面积的 50%以上。本研究利用 53 个形态特征评估了从伊朗 Kohgiluyeh-va-Boyerahmad 省 10 个地区采集的 100 棵栎树的表型变异。根据所测量的性状，收集到的树木之间表现出相当大的变异性（方差分析，P < 0.01）。变异系数（CV）从 12.73%（坚果直径）到 76.06%（叶片上部颜色透明度）不等。叶缘的变化很大，包括双锯齿、锯齿、宽刺、多刺和窄刺。叶片长度从 59.41 毫米到 122.53 毫米不等，坚果重量从 1.39 克到 17.24 克不等，果仁重量从 0.63 克到 13.09 克不等。主成分分析（PCA）显示有 15 个主成分，占总方差的 76.60%。基于 Ward 方法的聚类分析显示，所研究的所有树木中有两个不同的主要聚类。此外，在种群分析 PCA 生成的双图中，所研究的 10 个种群被分为四组。所研究的 Q. brantii 种群表现出很高的表型变异，这对于规划、设计和实施橡树基因保护计划非常必要。

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来源期刊

Trees 农林科学-林学

CiteScore

4.50

自引率

4.30%

发文量

113

审稿时长

3.8 months

期刊介绍： Trees - Structure and Function publishes original articles on the physiology, biochemistry, functional anatomy, structure and ecology of trees and other woody plants. Also presented are articles concerned with pathology and technological problems, when they contribute to the basic understanding of structure and function of trees. In addition to original articles and short communications, the journal publishes reviews on selected topics concerning the structure and function of trees.