Author： Karthikeyan A. Sudha M. Senthil N. Pandiyan M. Raveendran M. Nagrajan P.
Publisher： Taylor & Francis Ltd
ISSN： 0323-5408
Source： Archives of Phytopathology and Plant Protection, Vol.45, Iss.6, 2012-04, pp. : 712-716
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Abstract
Bulk segregant analysis (BSA) and random amplified polymorphic DNA (RAPD) techniques were used to analyse the F2 individuals of susceptible VBN (Gg) 2 × resistant KMG 189 to screen and identify the molecular marker linked to mungbean yellow mosaic virus (MYMV) resistant gene in mungbean. Two DNA bulks namely resistant bulks and susceptible bulks were setup by pooling equal amount of DNA from five randomly selected plants of each disease response. A total of 72 random sequence decamer oligonucleotide primers were used for RAPD analysis. Primer OPBB 05 (5′-GGGCCGAACA-3′) generated OPBB 05 260 fragment in resistant parent and their bulks but not in the susceptible parent and their bulks. Co segregation analysis was performed in resistant and susceptible F2 individuals, it confirmed that OPBB 05 260 marker was tightly linked to mungbean yellow mosaic virus resistant gene in mungbean.
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