Author(s):

Deepa U Pujar, C Vasugi, HS Vageeshbabu, MK Honnabyraiah, D Adiga, J Jayappa and Kanupriya

Abstract: Mutation was induced to create variability for plant height, shelf life, PRSV resistance and other desirable traits. Different treatments were employed viz., T₁: Gamma-ray (Co⁶⁰) (0.0Gy) (control), T₂: Gamma-ray (Co⁶⁰) (50Gy), T₃: Gamma-ray (Co⁶⁰) (100Gy), T₄: Gamma-ray (Co⁶⁰) (250Gy), T₅: Gamma-ray (Co⁶⁰) (500Gy), T₆: Gamma-ray (Co⁶⁰) (750Gy), T₇: Gamma-ray (1000Gy), T₈: EMS (0.0%) (Distilled water), T₉: EMS (0.25 %), T₁₀: EMS (0.50 %), T₁₁: EMS (0.75 %) and T₁₂: EMS (1.0 %). Studies revealed that significant variation was observed for all characters viz., morphological, fruit and quality parameters studied among mutant progenies. Different desirable traits were observed among mutant population viz., ultra-dwarf (R₄P₂-100 Gy), perfect hermaphrodite (R₄P₈-100 Gy), fruits with yellow pulp (R₁₄P₅- 500 Gy) and extended shelf life (R₈P₁₀-0.25 %). Plants with desirable traits were selfed, sib-mated and were forwarded to next generation.

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