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Evaluation of chickpea genotypes for resistance to legume pod borer (Helicoverpa armigera) and root-knot nematode (Meloidogyne javanica)

Vitthal R. Bhagwat, Shivali Sharma

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Abstract

Twenty-one chickpea genotypes were screened for resistance to identify genotypes with multiple resistance in glasshouse and field. Genotypes, ICC 506, ICCV 10, ICCL 86102, and ICCV 95992 had a low pod damage rating of 3 (on a 1 = less susceptible to 9 = highly susceptible scale) to H. armigera. All the 21 genotypes were susceptible to nematode-caused root damage (galls on root) and nematode reproduction (egg sac production). ICCL 86102 showed tolerance to nematode damage and produced flowers and pods despite severe nematode infection. ICCL 86102, a short duration genotype, and ICCL 86106, a medium duration genotype were identified as promising sources with resistance to H. armigera and tolerance to M.javanica

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Twenty-one chickpea genotypes were screened for resistance to identify genotypes with multiple resistance in glasshouse and field. Genotypes, ICC 506, ICCV 10, ICCL 86102, and ICCV 95992 had a low pod damage rating of 3 (on a 1 = less susceptible to 9 = highly susceptible scale) to H. armigera. All the 21 genotypes were susceptible to nematode-caused root damage (galls on root) and nematode reproduction (egg sac production). ICCL 86102 showed tolerance to nematode damage and produced flowers and pods despite severe nematode infection. ICCL 86102, a short duration genotype, and ICCL 86106, a medium duration genotype were identified as promising sources with resistance to H. armigera and tolerance to M.javanica

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Available abstract

Twenty-one chickpea genotypes were screened for resistance to identify genotypes with multiple resistance in glasshouse and field. Genotypes, ICC 506, ICCV 10, ICCL 86102, and ICCV 95992 had a low pod damage rating of 3 (on a 1 = less susceptible to 9 = highly susceptible scale) to H. armigera. All the 21 genotypes were susceptible to nematode-caused root damage (galls on root) and nematode reproduction (egg sac production). ICCL 86102 showed tolerance to nematode damage and produced flowers and pods despite severe nematode infection. ICCL 86102, a short duration genotype, and ICCL 86106, a medium duration genotype were identified as promising sources with resistance to H. armigera and tolerance to M.javanica

Key concepts: Helicoverpa armigera, Meloidogyne javanica, Nematode, Biology, Forensic science, Veterinary medicine, Root-knot nematode, Point of delivery

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Evaluation of chickpea genotypes for resistance to legume pod borer (Helicoverpa armigera) and root-knot nematode (Meloidogyne javanica) — Research Paper | ScholarLens