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Inheritance of mungbean yellow mosaic virus (MYMV) disease resistance in mungbean under natural infection conditions

Published online by Cambridge University Press:  10 June 2020

G. Basanagouda Open the ORCID record for G. Basanagouda [Opens in a new window] ,
S. Ramesh Open the ORCID record for S. Ramesh [Opens in a new window] ,
N. Nagaraju ,
Nagaraj  and
A.S. Padmaja
G. Basanagouda*
Affiliation:
Department of Genetics and Plant Breeding, College of Agriculture University of Agricultural Sciences (UAS), Bengaluru, India
S. Ramesh
Affiliation:
Department of Genetics and Plant Breeding, College of Agriculture University of Agricultural Sciences (UAS), Bengaluru, India
N. Nagaraju
Affiliation:
Department of Plant Pathology, CoA, UAS, Bengaluru, India
Nagaraj
Affiliation:
Department of Plant Pathology, CoA, UAS, Bengaluru, India
A.S. Padmaja
Affiliation:
Department of Plant Pathology, CoA, Mandya, India
*
*Corresponding author. E-mail: [email protected]
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Abstract

Mungbean yellow mosaic virus (MYMV) disease is one of the most devastating biotic constraints of mungbean production in India. Dependable knowledge on the number and mode of action of genes controlling resistance to MYMV disease is one of the keys to develop resistant cultivars. The F1s of four crosses derived from four MYMV resistant genotypes × one highly susceptible genotype, their parents, F2s and F3s along with a susceptible check were screened for responses to MYMV disease following the infector-row technique under natural infection conditions. A good fit of F2 population segregation to the hypothesized ratio of 15 susceptible:1 resistant and that of F3 population segregation to the expected ratio of 55 susceptible:9 resistant at 55 days after planting confirmed the involvement of two recessive genes in imparting resistance to MYMV disease.

Keywords

Inheritancemungbean yellow mosaic virusMYMVrecessiveresistanceVigna radiata
Type
Short Communication
Information
Plant Genetic Resources , Volume 18 , Issue 3 , June 2020 , pp. 196 - 199
Copyright
Copyright © NIAB 2020

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References

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