阿尔及利亚四环虫遗传多样性评价

GABJ Pub Date : 2022-01-01 DOI:10.46325/gabj.v6i1.198
Ahmed Marwane Kermouni Serradj, Safa Hadhoum Tebbal, Djamila Touenti, Ghizlane Benchaib, Amina Bouri
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摘要

四环木(Tetraclinis articulata)是柏科特有的药用芳香树种,具有重要的经济价值。我们的研究目标是基于分布在阿尔及利亚西部五个地区的七个种群的210个个体样本的形态-度量特征:采用R软件对特莱姆森(Ain fezza (Yfri林)、Ain Ghraba (Ahfire林)、Beni Snous (Zarifate林)、Ain Temouchent (Madagh 2林)、Oran(原始林)、Relizane (Zemmora林)和Sidi Bel Abbes (Tenira林)的树围(CRF)、树高(TH)、树冠(TCR)、一次枝长度(LgB1)、次枝长度(lgb2)、针叶长度(LgNd)等8个形态学性状进行统计研究。表型多样性由不同水平的Shannon-Weaver多样性指数(H')确定。估计的H′在不同性状间表现出较大的表型变异,平均为0.90。多重对应分析(MCA)和层次聚类(HCA)的结果表明种群之间存在明显的差异。对所有人群都进行了精油提取;贝尼鼻烟种群的树木精油产量高于其他种群,这对未来的经济前景非常重要,我们都发现精油产量与针叶长度(LgNd)之间存在负相关关系,这可以用来识别表现最好的受试者。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Genetic diversity evaluation of Tetraclinis articulata L. in Algeria
Tetraclinis articulata is an endemic, medicinal and aromatic species of the cupressaceae family with an economic importance. The objective of our study is based on the morpho-metric characterization of a 210 individual sample from seven populations distributed in five regions in western Algeria: Tlemcen (Ain fezza (Yfri forest), Ain Ghraba (Ahfire forest), Beni Snous (Zarifate forest)), Ain Temouchent ( Madagh 2 forest) , Oran (the Virgin forest) , Relizane ( Zemmora forest)  and finely Sidi Bel Abbes  (Tenira forest) using eight morphological traits :Circumference of the tree (CRF),The tree height (TH),The tree crown (TCR), The length of primary branch (LgB1),The length of secondary branch (Lg B2),The length of the needles(LgNd) which were statistically studied using the R software. Phenotypic diversity was determined by the Shannon-Weaver diversity index (H') at different levels. The estimated H' showed a large phenotypic variability for different traits with a mean of 0.90. The results of the multiple correspondence analysis (MCA) and hierarchical clustering (HCA) showed a clear distinction between the populations. The extraction of essential oils was done for all populations; the yield of essential oils from the trees of the Beni Snouss population was higher than the other populations which is very important for future economic perspectives and we all so found that there is a negative correlation between the yield of essential oils and The length of the needles (LgNd) which can be used to identify the subjects with the best performance.
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