Analysis of Genetic Diversity in Cultivated and Wild Tomato Varieties in Chinese Market by RAPD and SSR

被引：17

作者：

Meng Fan-juan ^{[1
,2
]}

Xu Xiang-yang ^{[1
]}

Huang Feng-lan ^{[3
]}

Li Jing-fu ^{[1
]}

机构：

[1] Univ NE Forestry, Coll Life Sci, Harbin 150040, Peoples R China

[2] NE Agr Univ, Coll Hort, Harbin 150030, Peoples R China

[3] Inner Mongolia Univ Nationalities, Coll Life Sci, Tongliao 028000, Peoples R China

来源：

AGRICULTURAL SCIENCES IN CHINA | 2010年 / 9卷 / 10期

基金：

中国国家自然科学基金;

关键词：

tomato; genetic diversity; RAPD; SSR; MICROSATELLITES; POLYMORPHISM; ACCESSIONS; SEQUENCES; MAP;

D O I：

10.1016/S1671-2927(09)60234-0

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

RAPD and SSR were applied to assess genetic diversity in 61 tomato varieties from different species (Solanum lycopersicum L., hirsutum. Humb L., pimpinellifolium Miller L., chilense Dun. L., chmielenskii L., peruvianum Miller L., parvuflorum Miller L.). 2062 and 869 clear fragments were amplified by RAPD and SSR, respectively. On the other hand, more polymorphic products were found by SSR as compared to RAPD, i.e., 100 and 43.84%, respectively. In addition, a higher value of the average similarity coefficient and lower PIC value were reflected in RAPD (0.79, 0.407) compared to SSR (0.56, 0.687). It can be inferred that SSR was a higher effective marker than RAPD to assess genetic diversity in tomato accessions. Similarly, the genetic base of tomato varieties in Chinese market was narrow. It is suggested that wild tomato varieties should be used to enrich the genetic base of the cultivated tomato varieties.

引用

页码：1430 / 1437

页数：8

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