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http://krishi.icar.gov.in/jspui/handle/123456789/69063
Title: | Genetic Diversity among Pigeonpea (Cajanus cajan L. Millsp.) Genotypes Using Genic SSRs with Putative Function for Drought Tolerance |
Other Titles: | Not Available |
Authors: | B. Sarkar, V.S.K. Chakravarthy, Y. Varalaxmi, S.K. Yadav, M. Vanaja and M. MaheswariNot Available |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR::Central Research Institute of Dryland Agriculture |
Published/ Complete Date: | 2017-04-10 |
Project Code: | Not Available |
Keywords: | Molecular markers, SSR, Genetic diversity, Drought tolerance, Cluster analysis, Population structure |
Publisher: | Excellent Publishers |
Citation: | Sarkar B, Chakravarthy VSK, Varalaxmi Y, Yadav SK, Vanaja M, Maheswari M 2017. Genetic Diversity among Pigeonpea (Cajanus cajan L. Millsp.) Genotypes Using Genic SSRs with Putative Function for Drought Tolerance. Int. J. Curr. Microbiol. App. Sci., 6(4): 1804-1814. doi: https://doi.org/10.20546/ijcmas.2017.604.216 |
Series/Report no.: | Not Available; |
Abstract/Description: | One hundred and thirty eight pigeonpea genotypes were analyzed for molecular genetic diversity using 34 SSR markers with putative function for drought tolerance. The study revealed considerable molecular genetic diversity among genotypes. Fifty two alleles were obtained with 34 SSR markers while, 1 to 3 alleles was scored with an average of ~1.6 alleles for each SSR. Three alleles were amplified by markers ASSR1, ASSR93 and ASSR97. Of these, 15 SSR markers were found to be polymorphic which identified 33 alleles among 138 genotypes. The average PIC value of these polymorphic SSRs was 0.22 with a range of 0.01 for ASSR308 to 0.38 in ASSR97. Significant positive correlation was observed between PIC values with number of alleles amplified per primer (r = 0.58 * , P < 0.05), and gene diversity (r = 0.99 * * , P < 0.01) and between allele number and gene diversity (r = 0.57 * , P<0.05). The average genetic distance for all pair wise comparisons was estimated as 0.27. The highest genetic distance of 0.69 was recorded between genotypes PAU-881 and LRG-41. Cluster analysis, done by UPGMA following Nei's similarity matrix and population structure analyses grouped 138 pigeonpea genotypes into seven sub-populations. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Article |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | International Journal of Current Microbiology and Applied Sciences |
Journal Type: | Research Paper |
NAAS Rating: | Not Available |
Volume No.: | 6 |
Page Number: | 1804-1814 |
Name of the Division/Regional Station: | Division of Crop Sciences |
Source, DOI or any other URL: | https://doi.org/10.20546/ijcmas.2017.604.216 |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/69063 |
Appears in Collections: | NRM-CRIDA-Publication |
Files in This Item:
File | Description | Size | Format | |
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Pigeonpea minicore_B. Sarkar, et al 2017.pdf | 416.07 kB | Adobe PDF | View/Open |
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