International Journal of Plant Sciences

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Inheritance of Alternaria Blight Resistance in Sesame


Affiliations
1 Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences, Raichur, Karnataka, India
2 Department of Genetics and Plant Breeding, University of Agricultural Sciences, G.K.V.K., Bengaluru, Karnataka, India
     

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In order to study inheritance of alternaria blight resistance in sesame, straight and reciprocal crosses were made between RT-273 (resistant) and Gulbarga local black (susceptible) during Kharif-2007. Screening of F2 and F3 progenies against Alternaria blight, and segregation analysis showed that resistance is governed by single dominant gene. Further screening of F4 families under field condition during Kharif-2010 confirmed the single dominant gene governing the Alternaria blight resistance in cultivated sesame.

Keywords

Sesame, F4 Families, Alternaria Blight Resistance, Dominant Gene
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  • Inheritance of Alternaria Blight Resistance in Sesame

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Authors

Renuka Goudappagoudar
Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences, Raichur, Karnataka, India
R. Lokesha
Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences, Raichur, Karnataka, India
Vanishree
Department of Genetics and Plant Breeding, University of Agricultural Sciences, G.K.V.K., Bengaluru, Karnataka, India

Abstract


In order to study inheritance of alternaria blight resistance in sesame, straight and reciprocal crosses were made between RT-273 (resistant) and Gulbarga local black (susceptible) during Kharif-2007. Screening of F2 and F3 progenies against Alternaria blight, and segregation analysis showed that resistance is governed by single dominant gene. Further screening of F4 families under field condition during Kharif-2010 confirmed the single dominant gene governing the Alternaria blight resistance in cultivated sesame.

Keywords


Sesame, F4 Families, Alternaria Blight Resistance, Dominant Gene