Genetic Diversity Analysis and Multivariate Evaluation of Cherry Tomato by Phenotypic Traits in South China

doi:10.16420/j.issn.0513-353x.2020-0926

Acta Horticulturae Sinica ›› 2021, Vol. 48 ›› Issue (9): 1717-1730.doi: 10.16420/j.issn.0513-353x.2020-0926

• Research Papers • Previous Articles Next Articles

Genetic Diversity Analysis and Multivariate Evaluation of Cherry Tomato by Phenotypic Traits in South China

LI Yanhong, NIE Jun, ZHENG Jinrong^*(), TAN Delong, ZHANG Changyuan, SHI Liangliang, XIE Yuming

Institute of Facility Agriculture,Guangdong Academy of Agricultural Sciences/Key Laboratory of Urban Agriculture in South China,Ministry of Agriculture and Rural Affairs,Guangzhou 510640,China

Received:2020-11-05 Revised:2021-05-06 Online:2021-09-25 Published:2021-09-30
Contact: ZHENG Jinrong E-mail:zhengjinrong@gdaas.cn

Abstract

Abstract:

In this study,the cluster analysis,principal component analysis,and multivariate evaluation of 26 phenotypic traits were carried out to evaluate the genetic diversity of 110 cherry tomato germplasm resources in South China. The results showed that high variation,phenotypic diversity,and genetic diversity were assessed in the 110 cherry tomato germplasm resources. The genetic diversity index of 26 phenotypic traits ranged from 0.33 to 2.04. The highest genetic diversity index was detected for the glucose/total soluble sugar（2.04）. The mean value of the variation coefficient of the 19 quantitative indexes was 31.41%,and the highest variation coefficient was observed in lycopene content（80.41%）. The 110 cherry tomato resources were divided into five groups by systematic clustering. The germplasms in groupⅠimplied the good potential for genetic improvement. The germplasms in group Ⅲ could be mainly used for the selection of flavor breeding genotypes of cherry tomato. The germplasms in groupⅤcould be mainly used for the selection of functional breeding genotypes of the cherry tomato. The principal component analysis and comprehensive evaluation indicated that the cumulative contribution rate of the nine main components was 75.512%. The first and third principal components mainly reflected the fruit quality of the cherry tomato. The second and fourth principal components mainly reflected the appearance quality of the cherry tomato fruit. The fifth and sixth principal components mainly reflected the growth characteristics of the cherry tomato plant. The comprehensive score of the germplasms ranged from -1.548 to 1.460. The five germplasms with high comprehensive scores were ct092,ct028,ct018,ct090,and ct017 which could be used as the core breeding resources.

Key words: tomato, cherry tomato, germplasm resources, genetic diversity, cluster analysis, multivariate evaluation

CLC Number:

S641.2

LI Yanhong, NIE Jun, ZHENG Jinrong, TAN Delong, ZHANG Changyuan, SHI Liangliang, XIE Yuming. Genetic Diversity Analysis and Multivariate Evaluation of Cherry Tomato by Phenotypic Traits in South China[J]. Acta Horticulturae Sinica, 2021, 48(9): 1717-1730.

Figures/Tables 8

References 28

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性状 Trait	遗传多样性指数H’	性状描述级别 Characteristic description level	资源份数 Accession	分布频率/% Distribution frequency
生长习性 Growth habit	0.66	无限 Infinite	68	61.82
		有限 Determinate	42	38.18
叶片Leaf	0.33	普通叶Common leaf type	101	91.82
		薯叶 Potato leaf type	7	6.36
		复细叶 Slender compound leaf	2	1.82
叶色 Leaf color	0.93	黄绿 Yellow green	9	8.18
		浅绿 Light green	15	13.64
		绿 Green	77	70.00
		深绿 Dark green	9	8.18
果形 Fruit shape	1.27	扁圆 Oblate	14	12.73
		圆Round	48	43.64
		椭圆 Elliptic	30	27.27
		高圆 Highly round	18	16.36
绿肩 Green shoulder	0.49	无 Absent	21	19.09
		有 Present	89	80.91
花序Inflorescence	0.66	单式花序为主 Single inflorescence	69	62.73
		多歧花序为主Polymorphism inflorescence	41	37.27
成熟果色 Color of mature fruit	1.27	红色 Red	59	53.64
		黄色 Yellow	21	19.09
		多色 Multicolour	1	0.91
		粉红色 Pink	22	20.00
		绿色 Green	3	2.73
		黑色 Black	1	0.91
		棕红色 Brownish	1	0.91
		咖啡色 Coffee	2	1.82

性状 Trait	遗传多样性指数H’	性状描述级别 Characteristic description level	资源份数 Accession	分布频率/% Distribution frequency
生长习性 Growth habit	0.66	无限 Infinite	68	61.82
		有限 Determinate	42	38.18
叶片Leaf	0.33	普通叶Common leaf type	101	91.82
		薯叶 Potato leaf type	7	6.36
		复细叶 Slender compound leaf	2	1.82
叶色 Leaf color	0.93	黄绿 Yellow green	9	8.18
		浅绿 Light green	15	13.64
		绿 Green	77	70.00
		深绿 Dark green	9	8.18
果形 Fruit shape	1.27	扁圆 Oblate	14	12.73
		圆Round	48	43.64
		椭圆 Elliptic	30	27.27
		高圆 Highly round	18	16.36
绿肩 Green shoulder	0.49	无 Absent	21	19.09
		有 Present	89	80.91
花序Inflorescence	0.66	单式花序为主 Single inflorescence	69	62.73
		多歧花序为主Polymorphism inflorescence	41	37.27
成熟果色 Color of mature fruit	1.27	红色 Red	59	53.64
		黄色 Yellow	21	19.09
		多色 Multicolour	1	0.91
		粉红色 Pink	22	20.00
		绿色 Green	3	2.73
		黑色 Black	1	0.91
		棕红色 Brownish	1	0.91
		咖啡色 Coffee	2	1.82

性状	遗传多样性指数 H’	均值	标准差	变异系数/%	最大值	最小值
Trait	遗传多样性指数 H’	Mean	SD	CV	Max	Min
首花序节位 Node of the first inflorescence	1.98	7.43	1.21	16.27	10.80	5.20
单果质量/g Single fruit weight	1.68	14.45	5.29	36.64	40.00	1.78
果实纵径/cm Longitudinal diameter of fruit	1.81	3.03	0.63	20.70	4.34	1.02
果实横径/cm Transverse diameter of fruit	1.43	2.69	0.48	17.83	3.96	0.74
果形指数 Fruit shape index	1.89	1.13	0.17	14.68	1.56	0.85
硬度/（kg · cm^-2）Hardness	1.82	1.84	0.47	25.42	3.00	0.35
果梗洼大小/mm Size of pedicel scar	1.94	3.45	0.91	26.28	6.60	2.00
果肉厚/mm Pulp thickness	1.77	3.60	0.84	23.37	5.90	1.10
可溶性固形物含量/% Soluble solids content	1.95	7.08	1.30	18.42	10.10	3.70
可溶性总糖含量/（mg · g^-1）Total soluble sugar content	2.03	50.51	12.13	24.01	87.41	27.01
蔗糖含量/（mg · g^-1）Sucrose content	1.93	1.00	0.26	25.79	1.75	0.61
果糖含量/（mg · g^-1）Fructose content	1.99	19.03	4.97	26.10	34.61	10.25
葡萄糖含量/（mg · g^-1）Glucose content	2.00	7.46	4.13	55.39	17.51	1.26
可滴定酸含量/（μmol · g^-1）Titratable acid content	1.95	68.99	17.87	25.90	149.00	38.90
维生素C含量/（mg · g^-1）Vitamin C content	2.03	0.89	0.23	25.54	1.53	0.48
番茄红素含量/（μg · g^-1）Lycopene content	1.84	13.64	10.97	80.41	55.17	0.23
果糖/可溶性总糖 Fructose/Total soluble sugar	1.98	0.38	0.04	10.86	0.46	0.29
葡萄糖/可溶性总糖 Glucose/Total soluble sugar	2.04	0.14	0.07	48.50	0.37	0.01
果糖/葡萄糖 Fructose/Glucose	1.54	3.64	2.72	74.72	14.62	1.10

性状	遗传多样性指数 H’	均值	标准差	变异系数/%	最大值	最小值
Trait	遗传多样性指数 H’	Mean	SD	CV	Max	Min
首花序节位 Node of the first inflorescence	1.98	7.43	1.21	16.27	10.80	5.20
单果质量/g Single fruit weight	1.68	14.45	5.29	36.64	40.00	1.78
果实纵径/cm Longitudinal diameter of fruit	1.81	3.03	0.63	20.70	4.34	1.02
果实横径/cm Transverse diameter of fruit	1.43	2.69	0.48	17.83	3.96	0.74
果形指数 Fruit shape index	1.89	1.13	0.17	14.68	1.56	0.85
硬度/（kg · cm^-2）Hardness	1.82	1.84	0.47	25.42	3.00	0.35
果梗洼大小/mm Size of pedicel scar	1.94	3.45	0.91	26.28	6.60	2.00
果肉厚/mm Pulp thickness	1.77	3.60	0.84	23.37	5.90	1.10
可溶性固形物含量/% Soluble solids content	1.95	7.08	1.30	18.42	10.10	3.70
可溶性总糖含量/（mg · g^-1）Total soluble sugar content	2.03	50.51	12.13	24.01	87.41	27.01
蔗糖含量/（mg · g^-1）Sucrose content	1.93	1.00	0.26	25.79	1.75	0.61
果糖含量/（mg · g^-1）Fructose content	1.99	19.03	4.97	26.10	34.61	10.25
葡萄糖含量/（mg · g^-1）Glucose content	2.00	7.46	4.13	55.39	17.51	1.26
可滴定酸含量/（μmol · g^-1）Titratable acid content	1.95	68.99	17.87	25.90	149.00	38.90
维生素C含量/（mg · g^-1）Vitamin C content	2.03	0.89	0.23	25.54	1.53	0.48
番茄红素含量/（μg · g^-1）Lycopene content	1.84	13.64	10.97	80.41	55.17	0.23
果糖/可溶性总糖 Fructose/Total soluble sugar	1.98	0.38	0.04	10.86	0.46	0.29
葡萄糖/可溶性总糖 Glucose/Total soluble sugar	2.04	0.14	0.07	48.50	0.37	0.01
果糖/葡萄糖 Fructose/Glucose	1.54	3.64	2.72	74.72	14.62	1.10

性状 Trait	Ⅰ类 Group Ⅰ	Ⅱ类 Group Ⅱ	Ⅲ类 Group Ⅲ	Ⅳ类 Group Ⅳ	Ⅴ类 Group Ⅴ
性状 Trait	（n = 39）	（n = 1）	（n = 45）	（n = 1）	（n = 24）
首花序节位 Node of the first inflorescence	7.33	10.00	7.41	6.60	7.55
单果质量/g Single fruit weight	14.71	40.00	14.22	38.40	12.42
果实纵径/cm Longitudinal diameter of fruit	3.19	3.20	3.09	4.34	2.60
果实横径/cm Transverse diameter of fruit	2.77	3.30	2.72	3.96	2.44
果形指数 Fruit shape index	1.16	0.97	1.14	1.10	1.07
硬度/（kg · cm^-2）Hardness	1.87	1.00	1.86	1.90	1.76
果梗洼大小/mm Size of pedicel scar	3.42	5.40	3.33	6.10	3.57
果肉厚/mm Pulp thickness	3.63	4.90	3.66	5.90	3.29
可溶性固形物含量/% Soluble solids content	7.09	4.10	7.41	4.00	6.71
可溶性总糖含量/（mg · g^-1）Total soluble sugar content	45.63	43.41	55.62	28.80	50.06
蔗糖含量/（mg · g^-1）Sucrose content	0.91	1.28	1.03	0.69	1.12
果糖含量/（mg · g^-1）Fructose content	17.98	10.25	20.52	11.44	18.61
葡萄糖含量/（mg · g^-1）Glucose content	6.64	7.53	8.67	3.06	6.68
可滴定酸含量/（μmol · g^-1）Titratable acid content	64.39	49.72	71.58	39.90	73.91
维生素C含量/（mg · g^-1）Vitamin C content	0.97	0.49	0.80	0.61	0.95
番茄红素含量/（μg · g^-1）Lycopene content	9.86	12.19	8.96	9.19	28.79
果糖/可溶性总糖 Fructose/Total soluble sugar	0.39	0.32	0.37	0.40	0.37
葡萄糖/可溶性总糖 Glucose/Total soluble sugar	0.14	0.17	0.15	0.11	0.13
果糖/葡萄糖 Fructose/Glucose	4.46	1.86	3.01	3.74	3.56
生长习性 Growth habit	1.46	2.00	1.41	1.00	1.33
叶片 Leaf	1.08	1.00	1.07	1.00	1.08
叶色 Leaf color	2.77	1.00	2.76	4.00	2.58
果形 Fruit shape	2.12	2.00	2.12	2.00	2.08
绿肩 Green shoulder	1.66	1.00	1.69	1.00	1.57
花序Inflorescence	1.46	1.00	1.42	2.00	1.33
成熟果色 Color of mature fruit	2.11	6.00	2.07	4.00	2.38

Genetic Diversity Analysis and Multivariate Evaluation of Cherry Tomato by Phenotypic Traits in South China

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性状 Trait	1	2		3		4		5		6		7		8		9		10
1	1
2	0.096	1
3	0.122	0.493^**		1
4	0.103	0.518^**		0.739^**		1
5	0.016	0.158		0.491^**		-0.199^*		1
6	0.172	0.209^*		0.368^**		0.232^*		0.276^**		1
7	-0.060	0.556^**		0.002		0.271^**		-0.226^*		0.002		1
8	0.120	0.681^**		0.474^**		0.414^**		0.247^**		0.476^**		0.391^**		1
9	-0.270^**	-0.315^**		-0.007		-0.176		0.209^*		-0.187^*		-0.329^**		-0.165		1
10	-0.124	-0.105		0.083		-0.010		0.130		-0.021		-0.297^**		-0.091		0.386^**		1
11	-0.150	-0.163		-0.109		-0.149		-0.023		-0.113		0.044		-0.172		0.147		0.179
12	-0.168	-0.168		0.098		-0.060		0.214^*		-0.064		-0.330^**		-0.144		0.498^**		0.910^**
13	-0.031	-0.076		0.030		-0.066		0.146		0.035		-0.283^**		-0.072		0.307^**		0.662^**
14	-0.052	-0.218^*		-0.311^**		-0.265^**		-0.092		-0.025		0.102		-0.121		-0.174		0.071
15	-0.140	-0.268^**		-0.053		-0.149		0.075		-0.092		-0.333^**		-0.310^**		0.349^**		0.533^**
16	0.080	-0.277^**		-0.348^**		-0.349^**		-0.106		--0.064		-0.039		-0.262^**		-0.021		0.069
17	-0.102	-0.080		0.049		-0.118		0.233^*		-0.098		-0.067		-0.098		0.326^**		-0.089
18	0.009	-0.043		-0.034		-0.137		0.169		0.062		-0.180		-0.046		0.166		0.212^*
19	0.018	0.071		0.027		0.118		-0.112		-0.045		0.201^*		0.005		-0.095		-0.267^**
性状 Trait	11		12		13		14		15		16		17		18		19
11	1
12	0.141		1
13	0.042		0.497^**		1
14	0.008		0.065		-0.066		1
15	0.111		0.596^**		0.377^**		-0.124		1
16	0.185		0.057		-0.030		0.159		0.223^*
17	-0.063		0.319^**		-0.287^**		-0.035		0.164		-0.052
18	-0.066		0.054		0.846^**		-0.121		0.141		-0.067		-0.324^**		1
19	-0.001		-0.062		-0.726^**		0.110		-0.119		-0.065		0.465^**		-0.809^**		1

性状	主成分 Principal component
Trait	PC1	PC2	PC3	PC4	PC5	PC6	PC7	PC8	PC9
首花序节位 Node of the first inflorescence	-0.191	0.130	0.020	-0.353	0.458	0.020	-0.028	-0.019	-0.337
单果质量 Single fruit weight	-0.527	0.598	-0.153	0.222	-0.046	0.165	-0.073	-0.144	0.130
果实纵径 Longitudinal diameter of fruit	-0.158	0.817	0.173	0.220	0.123	0.017	-0.150	0.239	-0.147
果实横径 Transverse diameter of fruit	-0.405	0.500	-0.188	0.481	0.397	-0.145	-0.071	0.153	-0.064
果形指数 Fruit shape index	0.242	0.600	0.462	-0.282	-0.381	0.247	-0.124	0.041	-0.102
硬度 Hardness	-0.169	0.531	0.104	-0.306	0.217	0.224	0.267	0.041	0.112
果梗洼大小 Size of pedicel scar	-0.646	-0.007	-0.297	0.294	-0.181	0.304	-0.083	-0.241	0.191
果肉厚 Pulp thickness	-0.454	0.666	-0.038	0.045	-0.071	0.154	0.197	-0.134	0.102
可溶性固形物含量 Soluble solids content	0.614	0.045	0.205	0.329	-0.237	-0.157	-0.129	-0.025	0.035
可溶性总糖含量 Total soluble sugar content	0.707	0.197	-0.115	0.369	0.185	0.350	0.252	-0.051	-0.041
蔗糖含量 Sucrose content	0.172	-0.220	-0.072	0.214	-0.256	0.390	-0.039	0.443	0.116
果糖含量 Fructose content	0.716	0.142	0.202	0.463	0.146	0.290	0.159	-0.116	-0.034
葡萄糖含量 Glucose content	0.718	0.342	-0.508	-0.049	0.016	0.069	0.002	-0.195	-0.028
可滴定酸含量 Titratable acid content	-0.022	-0.360	-0.029	-0.070	-0.093	0.392	0.453	-0.207	-0.487
维生素C含量 Vitamin C content	0.672	-0.018	0.139	0.210	0.230	0.070	0.053	0.039	0.317
番茄红素含量 Lycopene content	0.184	-0.420	0.033	-0.249	0.230	0.429	-0.053	-0.025	0.316
果糖/可溶性总糖 Fructose / Total soluble sugar	0.080	-0.070	0.733	0.289	-0.110	-0.086	-0.225	-0.243	0.020
葡萄糖/可溶性总糖 Glucose/ Total soluble sugar	0.498	0.317	-0.569	-0.354	-0.142	-0.105	-0.196	-0.223	-0.015
果糖/葡萄糖 Fructose / Glucose	-0.478	-0.266	0.633	0.363	0.077	0.029	0.126	0.040	-0.048
生长习性 Growth habit	-0.348	-0.075	0.313	-0.277	0.303	0.427	-0.118	-0.152	-0.050
叶片 Leaf	-0.237	0.183	0.232	-0.282	-0.155	-0.158	0.449	-0.193	0.529
叶色 Leaf color	0.108	0.136	-0.093	-0.226	0.353	0.245	-0.252	0.365	0.207
果形 Fruit shape	0.250	0.564	0.460	-0.311	-0.439	0.153	-0.077	0.097	-0.114
绿肩 Green shoulder	0.234	0.329	0.028	-0.013	0.099	-0.383	0.551	0.264	-0.027
花序 Inflorescence	-0.205	-0.258	-0.185	-0.093	-0.347	0.158	0.174	0.529	-0.021
成熟果色 Color of mature fruit	-0.378	0.078	-0.532	0.362	-0.342	0.191	0.040	-0.018	-0.048
特征值 Eigenvalue	4.608	3.646	2.735	2.118	1.626	1.525	1.208	1.140	1.026
贡献率/% Contribution percentage	17.725	14.024	10.520	8.146	6.253	5.867	4.647	4.383	3.947
累积贡献率/% Cumulative contribution percentage	17.725	31.748	42.269	50.414	56.668	62.534	67.181	71.565	75.512

材料编号 Material number	综合得分 Score	排名 Ranking	材料编号 Material number	综合得分 Score	排名 Ranking	材料编号 Material number	综合得分 Score	排名 Ranking
ct001	0.089	47	ct038	0.950	6	ct075	0.210	38
ct002	-0.132	63	ct039	-0.825	103	ct076	-0.764	101
ct003	0.263	32	ct040	-0.121	62	ct077	0.739	14
ct004	0.396	25	ct041	-0.091	60	ct078	0.068	50
ct005	0.671	18	ct042	-0.760	100	ct079	0.367	27
ct006	0.435	24	ct043	0.087	48	ct080	0.233	37
ct007	-0.093	61	ct044	0.156	44	ct081	-0.644	96
ct008	0.042	53	ct045	-0.338	77	ct082	0.167	42
ct009	0.056	51	ct046	-0.452	89	ct083	0.049	52
ct010	-0.047	56	ct047	-0.416	88	ct084	0.190	41
ct011	-0.516	92	ct048	-0.376	83	ct085	0.768	11
ct012	-0.536	93	ct049	0.918	7	ct086	0.676	17
ct013	0.704	16	ct050	-0.164	67	ct087	0.308	29
材料编号 Material number	综合得分 Score	排名 Ranking	材料编号 Material number	综合得分 Score	排名 Ranking	材料编号 Material number	综合得分 Score	排名 Ranking
ct014	0.208	40	ct051	-0.668	98	ct088	0.158	43
ct015	-0.802	102	ct052	-0.647	97	ct089	-0.206	69
ct016	-0.676	99	ct053	-0.159	66	ct090	1.033	4
ct017	1.009	5	ct054	0.097	46	ct091	0.650	20
ct018	1.124	3	ct055	-0.340	79	ct092	1.460	1
ct019	0.876	8	ct056	-0.302	76	ct093	0.726	15
ct020	0.814	9	ct057	0.237	36	ct094	0.242	34
ct021	-0.009	55	ct058	0.358	28	ct095	0.777	10
ct022	-0.353	81	ct059	-0.371	82	ct096	-0.300	75
ct023	0.141	45	ct060	0.086	49	ct097	0.270	31
ct024	-1.548	110	ct061	-0.247	71	ct098	0.742	13
ct025	-0.467	90	ct062	-0.143	65	ct099	-0.266	73
ct026	-1.005	107	ct063	-0.401	86	ct100	-0.057	58
ct027	-1.149	108	ct064	-0.394	85	ct101	-0.297	74
ct028	1.206	2	ct065	-0.386	84	ct102	0.240	35
ct029	0.503	23	ct066	0.541	22	ct103	0.275	30
ct030	-0.498	91	ct067	-0.352	80	ct104	0.253	33
ct031	-0.408	87	ct068	0.657	19	ct105	0.209	39
ct032	-1.000	106	ct069	0.017	54	ct106	-0.137	64
ct033	-0.246	70	ct070	-0.862	104	ct107	-0.164	68
ct034	0.602	21	ct071	-1.176	109	ct108	0.755	12
ct035	-0.249	72	ct072	-0.990	105	ct109	-0.074	59
ct036	-0.050	57	ct073	-0.338	78	ct110	-0.611	94
ct037	-0.614	95	ct074	0.385	26

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