Genetic Diversity and Population Structure of Eggplant (Solanum melongena) Germplasm Resources Based on SRAP Method

doi:10.11983/CBB17237

Abstract

Abstract: The genetic diversity and the population structure of 183 germplasm resources of eggplant were analyzed by using SRAP markers. Overall, 215 bands were generated with 7 binds per primer on average. The mean genetic similarity coefficient was 0.623 among the cultivars (0.276-0.813), which suggested genetic differentiation among the germplasm resources. The germplasm resources were divided into four groups with a similarity coefficient of 0.345 6. Introgression exists in the four groups based on population structure analysis. The boundaries among different groups are obvious, and gene introgression among varieties is high.

Key words: eggplant, genetic diversity, population structure, SRAP analysis

Lifeng Xie,Ning Li,Ye Li,Minghua Yao. Genetic Diversity and Population Structure of Eggplant (Solanum melongena) Germplasm Resources Based on SRAP Method[J]. Chinese Bulletin of Botany, 2019, 54(1): 58-63.

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URL: https://www.chinbullbotany.com/EN/10.11983/CBB17237

https://www.chinbullbotany.com/EN/Y2019/V54/I1/58

Figures/Tables 4

References 16

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Primer combinations	Allele frequencies	Number of polymorphic bands	Genetic diversity	PIC
Me1Em3	0.6721	4	0.4962	0.4486
Me1Em4	0.5519	4	0.5896	0.5215
Me1Em7	0.8798	4	0.2210	0.2133
Me1Em8	0.5792	5	0.5838	0.5283
Me1Em9	0.7432	4	0.4176	0.3839
Me2Em3	0.2732	11	0.8556	0.8413
Me2Em4	0.5246	7	0.6770	0.6492
Me2Em5	0.3525	13	0.7619	0.7295
Me2Em6	0.6393	6	0.5606	0.5349
Me3Em1	0.7268	6	0.4511	0.4289
Me3Em2	0.3060	8	0.7718	0.7368
Me3Em3	0.3060	8	0.7823	0.7509
Me5Em1	0.4973	4	0.6209	0.5525
Me5Em2	0.3333	12	0.7877	0.7598
Me5Em7	0.3607	7	0.7106	0.6571
Me5Em8	0.4208	4	0.6791	0.6205
Me5Em9	0.4754	6	0.6854	0.6412
Me5Em11	0.6120	5	0.5774	0.5400
Me6Em7	0.4262	8	0.7518	0.7247
Me6Em8	0.4590	6	0.6636	0.6035
Me6Em9	0.5738	5	0.6127	0.5723
Me6Em11	0.7268	6	0.4363	0.3987
Me7Em3	0.6557	5	0.4901	0.4211
Me7Em5	0.7486	7	0.4237	0.4058
Me7Em8	0.6557	5	0.5184	0.4733
Me7Em9	0.3224	7	0.7684	0.7338
Me7Em11	0.5464	5	0.5994	0.5368
Me7Em12	0.7486	7	0.4210	0.4001
Me9Em1	0.6011	5	0.5344	0.4582
Me9Em3	0.6284	6	0.5377	0.4839
Me9Em13	0.6667	8	0.5197	0.4874
Me8Em6	0.6885	12	0.5055	0.4860
Me8Em7	0.5410	5	0.5252	0.4185
Mean	0.5528	7	0.5920	0.5498

Primer combinations	Allele frequencies	Number of polymorphic bands	Genetic diversity	PIC
Me1Em3	0.6721	4	0.4962	0.4486
Me1Em4	0.5519	4	0.5896	0.5215
Me1Em7	0.8798	4	0.2210	0.2133
Me1Em8	0.5792	5	0.5838	0.5283
Me1Em9	0.7432	4	0.4176	0.3839
Me2Em3	0.2732	11	0.8556	0.8413
Me2Em4	0.5246	7	0.6770	0.6492
Me2Em5	0.3525	13	0.7619	0.7295
Me2Em6	0.6393	6	0.5606	0.5349
Me3Em1	0.7268	6	0.4511	0.4289
Me3Em2	0.3060	8	0.7718	0.7368
Me3Em3	0.3060	8	0.7823	0.7509
Me5Em1	0.4973	4	0.6209	0.5525
Me5Em2	0.3333	12	0.7877	0.7598
Me5Em7	0.3607	7	0.7106	0.6571
Me5Em8	0.4208	4	0.6791	0.6205
Me5Em9	0.4754	6	0.6854	0.6412
Me5Em11	0.6120	5	0.5774	0.5400
Me6Em7	0.4262	8	0.7518	0.7247
Me6Em8	0.4590	6	0.6636	0.6035
Me6Em9	0.5738	5	0.6127	0.5723
Me6Em11	0.7268	6	0.4363	0.3987
Me7Em3	0.6557	5	0.4901	0.4211
Me7Em5	0.7486	7	0.4237	0.4058
Me7Em8	0.6557	5	0.5184	0.4733
Me7Em9	0.3224	7	0.7684	0.7338
Me7Em11	0.5464	5	0.5994	0.5368
Me7Em12	0.7486	7	0.4210	0.4001
Me9Em1	0.6011	5	0.5344	0.4582
Me9Em3	0.6284	6	0.5377	0.4839
Me9Em13	0.6667	8	0.5197	0.4874
Me8Em6	0.6885	12	0.5055	0.4860
Me8Em7	0.5410	5	0.5252	0.4185
Mean	0.5528	7	0.5920	0.5498

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