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http://krishi.icar.gov.in/jspui/handle/123456789/52312| Title: | Genetic diversity in Capsicum germplasm based on microsatellite and random amplified microsatellite polymorphism markers |
| Other Titles: | Not Available |
| Authors: | 34. Rai VP, Kumar Rajesh, Kumar Sanjay, Rai A, Kumar Sanjeet, Singh Major, Singh SP, Rai AB and Paliwal Rajneesh |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::Indian Institute of Vegetable Research |
| Published/ Complete Date: | 2013-07-03 |
| Project Code: | Not Available |
| Keywords: | Capsicum, SSR, RAMPO, Interspecific derivatives, Sympatric population |
| Publisher: | Springer |
| Citation: | Not Available |
| Series/Report no.: | Not Available; |
| Abstract/Description: | A sound knowledge of the genetic diversity among germplasm is vital for strategic germplasm collection, maintenance, conservation and utilisation. Genomic simple sequence repeats (SSRs) and random amplified microsatellite polymorphism (RAMPO) markers were used to analyse diversity and relationships among 48 pepper (Capsicum spp.) genotypes originating from nine countries. These genotypes covered 4 species including 13 germplasm accessions, 30 improved lines of 4 domesticated species and 5 landraces derived from natural interspecific crosses. Out of 106 SSR markers, 25 polymorphic SSR markers (24 %) detected a total of 76 alleles (average, 3.04; range, 2–5). The average polymorphic information content (PIC) was 0.69 (range, 0.29–0.92). Seventeen RAMPO markers produced 87 polymorphic fragments with average PIC of 0.63 (range, 0.44–0.81). Dendrograms based on SSRs and RAMPOs generated two clusters. All 38 Capsicum annuum genotypes and an interspecific landrace clustered together, whereas nine non-annuum (three Capsicum frutescens, one Capsicum chinense, one Capsicum baccatum and four interspecific landraces) genotypes clustered separately. Genetic variation within non-annuum genotypes was greater than the C. annuum genotypes. Distinctness of interspecific derivative landraces grown in northeast India was validated; natural crossing between sympatric Capsicum species has been proposed as the mechanism of their origin. |
| Description: | Not Available |
| ISSN: | 0974-0430 |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Physiology and Molecular Biology of Plants |
| NAAS Rating: | 8.01 |
| Impact Factor: | 2.391 |
| Volume No.: | 19(4) |
| Page Number: | 575-586 |
| Name of the Division/Regional Station: | Not Available |
| Source, DOI or any other URL: | 10.1007/s12298-013-0185-3 |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/52312 |
| Appears in Collections: | HS-IIVR-Publication |
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