Population diversity analysis of 20 commercial tomato cultivars

doi:10.6048/j.issn.1001-4330.2024.09.013

Abstract

Abstract:

【Objective】 This study aims to investigate the genetic diversity of 20 commercial tomato cultivars, screen out tomato varieties with specific disease resistance traits and provide guidance for farmers in variety selection. 【Methods】 SNP markers were used to analyze the genetic relationship clustering, genetic composition, disease resistance genes, and also conduct disease resistance infiltration fragment analysis of 20 commercial tomato varieties. 【Results】 The 20 commercial tomato varieties were divided into two groups, and tomato varieties from the same company were more likely to be grouped together. Among them, Zhongshu 4, Zhongshu 6, and Zhongza 9 from Zhongshu Seed Industry Technology (Beijing) Co., Ltd. were classified into the same type in genetic relationship clustering and genetic composition analysis. In addition, there were genotype differences in the Mi-1.2, Ty-1/3, and Ve disease resistance genes among the 20 commercial tomato varieties. By comparing their genome similarity with the infiltrating donor materials, it was found that most materials contained infiltrating fragments of Mi, Ty-1, Tm-2, and Sw-5. 【Conclusion】 The 20 commercial tomato varieties are divided into two groups, and tomato varieties from the same company are more likely to be grouped together. The specific disease resistance genes and disease resistance infiltration fragments of these materials are of great significance for in-depth understanding of variety germplasm characteristics, promoting agricultural development, increasing farmers' income, and improving agricultural production efficiency.

Key words: tomatoes; commercial cultivars; genetic diversity; anti-disease gene

摘要：

【目的】分析20份番茄商业品种的遗传多样性,筛选具有特异性抗病性状的番茄商业品种,为番茄商业品种选择提供参考。【方法】以20个番茄商业品种为材料借助单核苷酸多态性(SNPs),分析遗传关系聚类、遗传组成成分、抗病基因及抗病渐渗片段。【结果】20个番茄商业品种被分为2个类群,其中中蔬种业科技(北京)有限公司的中蔬4号、中蔬6号和中杂9号在遗传关系聚类和遗传组成成分均被归于同一类型。此外,20个番茄商业品种在Mi-1.2、Ty-1/3、Ve三个抗病基因存在基因型差异,大部分材料含有Mi、Ty-1、Tm-2和Sw-5的渐渗片段。【结论】20个番茄商业品种被分为2个类群,源于同一公司的番茄商业品种更有可能被分于同一群体,这些材料大部分含有Mi、Ty-1、Tm-2和Sw-5渐渗片段。

关键词: 番茄, 商业品种, 遗传多样性, 抗病基因

CLC Number:

S641.2

XU Maomao, GAO Jie, LI Junming, LI Xin, LIU Lei, PAN Feng. Population diversity analysis of 20 commercial tomato cultivars[J]. Xinjiang Agricultural Sciences, 2024, 61(9): 2191-2196.

徐毛毛, 高杰, 李君明, 李鑫, 刘磊, 潘峰. 20个番茄商业品种群体的多样性分析[J]. 新疆农业科学, 2024, 61(9): 2191-2196.

Figures/Tables 5

References 26

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序号 No.	品种名称 Variety Name	类型 Type	来源 Sources
1	天赐575	Hybrid	沈阳谷雨种业有限公司
2	天赐595	Hybrid	沈阳谷雨种业有限公司
3	天妃九	Hybrid	沈阳谷雨种业有限公司
4	罗拉	Hybrid	海泽拉优质种子公司
5	金棚一号	Hybrid	西安金鹏种苗有限公司
6	凯德1832	Hybrid	北京开心格林农业科技有限公司
7	喜来德1号	Hybrid	纽内姆(北京)种子有限公司
8	丰收128	Hybrid	宁夏巨丰种苗有限责任公司
9	百利	Hybrid	荷兰瑞克斯旺种苗集团公司
10	欧盾	Hybrid	圣尼斯种子(北京)有限公司
11	普罗旺斯	Hybrid	圣尼斯种子(北京)有限公司
12	SV4224	Hybrid	圣尼斯种子(北京)有限公司
13	SV7845TH	Hybrid	圣尼斯种子(北京)有限公司
14	倍盈	Hybrid	先正达种苗(北京)有限公司
15	齐达利	Hybrid	先正达种苗(北京)有限公司
16	思贝德	Hybrid	先正达种苗(北京)有限公司
17	早粉2号	Inbred	中国农业科学院蔬菜花卉研究所
18	中蔬6号	Inbred	中蔬种业科技(北京)有限公司
19	中杂9号	Hybrid	中蔬种业科技(北京)有限公司
20	中蔬4号	Inbred	中蔬种业科技(北京)有限公司

序号 No.	品种名称 Variety Name	类型 Type	来源 Sources
1	天赐575	Hybrid	沈阳谷雨种业有限公司
2	天赐595	Hybrid	沈阳谷雨种业有限公司
3	天妃九	Hybrid	沈阳谷雨种业有限公司
4	罗拉	Hybrid	海泽拉优质种子公司
5	金棚一号	Hybrid	西安金鹏种苗有限公司
6	凯德1832	Hybrid	北京开心格林农业科技有限公司
7	喜来德1号	Hybrid	纽内姆(北京)种子有限公司
8	丰收128	Hybrid	宁夏巨丰种苗有限责任公司
9	百利	Hybrid	荷兰瑞克斯旺种苗集团公司
10	欧盾	Hybrid	圣尼斯种子(北京)有限公司
11	普罗旺斯	Hybrid	圣尼斯种子(北京)有限公司
12	SV4224	Hybrid	圣尼斯种子(北京)有限公司
13	SV7845TH	Hybrid	圣尼斯种子(北京)有限公司
14	倍盈	Hybrid	先正达种苗(北京)有限公司
15	齐达利	Hybrid	先正达种苗(北京)有限公司
16	思贝德	Hybrid	先正达种苗(北京)有限公司
17	早粉2号	Inbred	中国农业科学院蔬菜花卉研究所
18	中蔬6号	Inbred	中蔬种业科技(北京)有限公司
19	中杂9号	Hybrid	中蔬种业科技(北京)有限公司
20	中蔬4号	Inbred	中蔬种业科技(北京)有限公司