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Abstract
In this study, 43 sesame genotypes were tested against the sesame leaf roller and capsule borer Antigastra catalaunalis (Dup) using 0–9 scale scoring technique. The differential response of the genotypes was noticed at the various crop growth stages. The genotypes, SI 250, ES 22 and UMA showed resistance at all the three stages, i.e. vegetative, flowering and pod maturity. However, TKG 309 and CST 2001-3 showed resistance only at the vegetative stage; KMR 14 and VRI 1 exhibited resistance only at the pod maturity stage. Based on the overall grading, SI 250 and UMA genotypes were found resistant, and ES 22 was highly resistant.
Acknowledgements
The authors thank the Head, Regional Research Station, Virudhachalam and Dr. R. Govindarasu, Associate Professor, Plant Breeding and Genetics, Pandit Jawaharlal Nehru College of Agriculture and Research Institute, Karaikal for providing seeds of different genotypes of sesame.