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当前位置: 首页 > 文章 > 濒危植物夏蜡梅果实、种子形态变异研究 西北林学院学报 2008,23 (3) 44-49
Position: Home > Articles > Morphological Variation of Fruits and Seeds in Endangered Plant Sinocalycanthus chinensis Journal of Northwest Forestry University 2008,23 (3) 44-49

濒危植物夏蜡梅果实、种子形态变异研究

作  者：
蔡琰琳;金则新
单  位：
台州学院生态研究所;杭州师范大学生命与环境科学学院
关键词：
夏蜡梅;果实;种子;形态变异
摘  要：
研究了不同地理位置、不同海拔的夏蜡梅自然种群间以及种群内个体间的果实和种子形态变异,并分析了每果所含饱满种子数与果实形态特征、种子重与果实及种子形态特征的相关性。结果表明:夏蜡梅果实和种子的表型性状在种群间、种群内和个体间都存在一定程度的变异,且种子形态较果实稳定。单因素方差分析显示,部分指标分化显著或极显著,来自种群内的变异在90%以上,且大约80%的变异来自个体内。说明遗传控制对夏蜡梅果实和种子形态变异起主导作用。3个种群中,大明山高海拔的果实和种子性状相对优良。每果所含饱满种子数与果实形态显著相关,种子重与种子形态的相关性较与果实形态的相关性显著。
译  名：
Morphological Variation of Fruits and Seeds in Endangered Plant Sinocalycanthus chinensis
作  者：
CAI Yan-lin1,2,JIN Ze-xin2 (1.College of Life and Environment Sciences,Hangzhou Normal University, Hangzhou,Zhejiang 310018,China;2.Ecology Institute of Taizhou University,Linhai,Zhejiang 317000,China)
关键词：
Sinocalycanthus chinensis;fruit;seed;morphological variation
摘  要：
Morphological variation of fruits and seeds in Sinocalycanthus chinensis were investigated between two natural populations and within the population in different regions and elevation.Results indicated that the fruits and seeds traits exhibited certain differentiations in 14 morphological characters.It was also found that the characters of seeds were more stable than those of fruits.One way analysis of variance(ANOVA) showed significant differences existed in the fruit and seed characters among populations,from which over 90% the variance was attributed to the differences within population,about 80% to the differences within an individud.So it was thought substantial genetic control played an important role in morphological variation of fruits and seeds.The morphological characters of fruits and seeds in Damingshan Mountain with higher elevation were ascendant relatively.Results from correlation analyses suggested that the number of fully-developed seeds per fruit was significantly correlated to fruit characters.Seed weight was more significantly correlated to seed morphological characters than to fruit morphological characters.

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