Development of a Core Collection of Processing Tomato Germplasms and Analysis of Genetic Background

doi:10.16420/j.issn.0513-353x.2015-0134

ACTA HORTICULTURAE SINICA ›› 2015, Vol. 42 ›› Issue (7): 1299-1312.doi: 10.16420/j.issn.0513-353x.2015-0134

• Vegetables • Previous Articles Next Articles

Development of a Core Collection of Processing Tomato Germplasms and Analysis of Genetic Background

DENG Xue-Bin, LIU Lei, YAN Zhe, LI Tao, LIU Xi-Yan, FENG Jing-Jing, CHI Hai-Juan, ZHENG Zheng, LI Jun-Ming

Institute of Vegetables and Flowers of Chinese Academy of Agricultural Sciences，Beijing 100081，China

Online:2015-07-25 Published:2015-07-25

Abstract

Abstract: Based on 3 026 accessions of processing tomato germplasms collected in the last 50 years，10 kinds of primary core collections were established by using 20 phenotypic traits and 46 SNP markers evenly distributed over 12 chromosomes combining with 5 different strategies（Mstrat，Random，REMC，SBS and SFS）. Finally a core collection of processing tomato was determined after the evaluation and analysis of their representativeness. M strategy is a valid method to develop a core collection for the subgroup of processing tomato. The collected processing tomato germplasms could be divided into two clusters and their genetic backgrounds are based on cultivated tomato accession E6203 and M82 as the representative accessions of processing tomato，respectively. The established core collection GCC1 evenly distributed in the population of the initial processing tomato germplasms.

Key words: processing tomato, SNP marker, core collection, genetic background

CLC Number:

S 641.2

DENG Xue-Bin, LIU Lei, YAN Zhe, LI Tao, LIU Xi-Yan, FENG Jing-Jing, CHI Hai-Juan, ZHENG Zheng, LI Jun-Ming. Development of a Core Collection of Processing Tomato Germplasms and Analysis of Genetic Background[J]. ACTA HORTICULTURAE SINICA, 2015, 42(7): 1299-1312.

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Development of a Core Collection of Processing Tomato Germplasms and Analysis of Genetic Background

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