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M. A. Lakshmi, V. Sivakumar
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引用次数: 0

摘要

本研究从中国林业遗传与林木育种研究所种质资源库中选择25个桉树无性系,利用形态性状(包括定性、伪定性和定量性状)和数量分类学方法,对其遗传变异进行了评价。所有试验采用随机完全区组设计,共5个重复,每个小区由3个分株组成。本研究收集的数据涉及克隆内和克隆间的形态变异趋势,并根据传统的分类学方法进行评估,并使用SPSS分析其变异性。由于叶片作为分类实体的意义在于它可以保存较长时间,用于数量性状的鉴别。为此,利用形态特征的主成分分析和聚类分析结果对不同的分类单位进行了区分。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Classification of selected 25 Eucalyptus clones based on qualitative, pseudo-qualitative traits and quantitative traits using numerical taxonomy for distinct, uniform and stability (DUS) testing
This study aimed to evaluate the genetic variability of the selected 25 Eucalyptus clones from germplasm bank of Institute of Forest Genetics and Tree Breeding (IFGTB), using morphological traits which covers qualitative, pseudo-qualitative and quantitative traits by numerical taxonomic methods. All were evaluated in a randomized complete block design with five replicates, and each plot was composed of three ramets. Data collected during the present investigation is concerned with the trend of morphological variation both within and between clones were assessed based on conventional taxonomic practice and analyzed their variability using SPSS. Due to significance of leaves as taxonomic entities is that it can be conserved for longer periods of time used for quantitative characters for discrimination. For that results of Principle component analysis and Cluster analysis of morphological characters have been used to distinguish the different taxonomic units in the field.
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