Studies on the Molecular Structure of Vessels in Secondary Xylem of Stem from Three Carambola Varieties

作     者：陈燕 袁长春 陈小婷 CHEN Yan;YUAN Chang-chun;CHEN Xiao-ting

作者机构：湛江师范学院生命科学与技术学院广东湛江524048 

出 版 物：《Agricultural Science & Technology》 (农业科学与技术（英文版）)

年 卷 期：2008年第9卷第4期

页      面：99-103,156页

学科分类：09[农学] 0902[农学-园艺学] 090201[农学-果树学] 

基　　金：Supported by Guangdong Natural Science Foundation(04300850)~~ 

主　　题：Carambola Vessel elements Microstructure 

摘      要：[Objective] The aim of this study was to provide the theoretical basis for variety identification of carambola and pomiculture.[Method] The molecular structure of vessels in stem secondary xylem from three carambola varieties of Malaysia 8,Misi and Malaysia B17 were studied by cell image analysis system and microphotography.[Result] The molecular structure of vessels in stem secondary xylem from carambola was as follows:the first type had tails in two ends,the second type had tail in one end,and the third type had no tails in two *** average length of vessel elements was from 328.88 to 366.09 μm,while its average width was from 44.61 to 52.43 μ*** of the end wall was simple perforation plates,while the alternate-opposite pitting was the major forms of pitting.[Conclusion] Most characteristics of vessel elements from carambola were evolutionary characters of vessel elements in the process of phylogeny,but there were more primitive characters,for example,both two ends of vessel had tails or just one end had tail,and end wall was *** molecular structure of vessel from carambola was in accordance with its ecological adaptability,and the growth characteristics of different varieties were also in accordance with the difference of molecular structure of vessel.