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요약정보
韭菜种质资源花器官表型性状多样性分析 / Analysis on Floral Phenotypic Diversity of Chinese Chive Germplasm Resources
Resource Type
Academic Journal
Authors
焦子源
;
尹守恒
;
陈建华
;
JIAO Ziyuan
;
YIN Shouheng
;
CHEN Jianhua
Source
中国蔬菜 / China Vegetables
. (10):66-73
Subject
韭菜
花器官
表型性状
遗传多样性
聚类分析
Language
Chinese
ISSN
1000-6346
Online Access
Find it @ DONGA
초록
为从花器官表型性状角度研究韭菜种质资源多样性,选取56份韭菜种质资源进行遗传多样性分析和聚类分析.结果表明:韭菜花器官各质量性状的遗传多样性指数为0.15~1.02,其中花蕾三棱颜色的遗传多样性指数最大,其次是花药颜色,最小的为花序形状.韭菜花器官各数量性状的变异系数为9.60%~31.56%,遗传多样性指数为1.50~2.02,其中单薹蒴果数的变异系数和遗传多样性指数均最大,瓣长/萼长的变异系数最小,薹高的遗传多样性指数最小.萼长/萼宽的变异系数(14.61%)和多样性指数(1.91)均大于瓣长/瓣宽的变异系数(12.04%)和多样性指数(1.82),表明在韭菜种质资源中花萼的形状比花瓣的形状具有更高的丰富度和变异幅度;且在与花被相关的数量性状中,萼长/萼宽的变异系数和多样性指数均为最高,可见其是进行韭菜种质资源鉴定的一个重要指标.利用花器官10个质量性状进行系统聚类分析,将参试的56份韭菜种质资源分为4类.
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