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標題: Morphological Traits and Cluster Analysis of The Major Introduction Bermudagrass Cultivars in Taiwan
作者: 劉怡君
Yi-Chin Liu
Shen-Lin Lin
關鍵字: Cluster analysis;百慕達草;Morphological traits;Bermudagrass;性狀特徵;連鎖群分析
Project: 興大園藝, Volume 22, Issue 1, Page(s) 75-94.
Horticulture NCHU, Volume 22, Issue 1, Page(s) 75-94.
The introduced bermudagrass cultivars were used as material in the study, the goals for this experiment are to build up a database for bermudagrass morphological characters, and use the data for cluster analysis to construct relationship data between cultivars.
The morphological traits were measured based on the categories for Gramineae grasses. Both qualitative and quantitative characters including: lingual, hairs on the edges of collar, pubescence on leaf blade and on leaf back, stem color, plant height, texture of the leaf and the canopy of the grass were used to describe then added up with the quantitative characters for similarity cluster analysis. With the cluster analysis, 16 bermudagrass cultivars were separated into three groups: common (>25 cm), dwarf (<15cm), or semi-dwarf (15~25cm).
There were difficult responses for environment change in each type of bermudagrass in long growing period. Both dwarf and semi-dwarf types bermudagrass grouting is more regularity than common type bermudagrass.
Both quantitative and quantitative morphological traits used for cluster analysis, 16 cultivars were easily categorized into three types groups, the result just correspond with height trait. But only N1 and Tiway can be distinguished by morphological features in all group, others cultivars can not be distinguished individually.

本試驗以引進品種的百慕達草(Cynodon dactylon)為材料,其目的在建立百慕達草的外觀性狀以及使用連鎖群分析來鑑別栽培種親緣。
ISSN: 0255-5921
Appears in Collections:園藝學系
第22卷 第01期

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