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2017•International Journal of Current Microbiology and Applied SciencesOpen access

Impact of Angoumois Grain Moth, Sitotroga cerealella (Olivier) (Lepidoptera: Gelechiidae) on the Viability of Maize Seeds

Muthamilselvan Muthukumar, K. N. Ragumoorthi

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Abstract

The experiment was conducted to determine the viability of maize seed infested with Angoumois grain moth Sitotroga cerealella (Olivier). The objective was to see how different cultivars of maize are resistant to this pest. Seeds of sixteen cultivars of maize (CMH08-287, CMH08-292, CMH08-337, CMH08-381(G), CMH08-381, CMH08-433, CMH08-464, CMH08-3500, Aditiya, CP818, CO6, Dhaanya 8255, Winner, NK6240, Pioneer 3502, and Sun 126) were screened at Insectary, Department of Agricultural Entomology, TNAU, Coimbatore. All the maize hybrids were assessed for the change in the seed quality in terms of germination percentage, hundred grain weight, shoot length, root length, seedling length, dry matter production and vigour index after the damage by S. cerealella. There is a significant reduction in the seed quality was observed in all maize hybrids due to S. cerealella damage.

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The experiment was conducted to determine the viability of maize seed infested with Angoumois grain moth Sitotroga cerealella (Olivier). The objective was to see how different cultivars of maize are resistant to this pest. Seeds of sixteen cultivars of maize (CMH08-287, CMH08-292, CMH08-337, CMH08-381(G), CMH08-381, CMH08-433, CMH08-464, CMH08-3500, Aditiya, CP818, CO6, Dhaanya 8255, Winner, NK6240, Pioneer 3502, and Sun 126) were screened at Insectary, Department of Agricultural Entomology, TNAU, Coimbatore. All the maize hybrids were assessed for the change in the seed quality in terms of germination percentage, hundred grain weight, shoot length, root length, seedling length, dry matter production and vigour index after the damage by S. cerealella. There is a significant reduction in the seed quality was observed in all maize hybrids due to S. cerealella damage.

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Available abstract

The experiment was conducted to determine the viability of maize seed infested with Angoumois grain moth Sitotroga cerealella (Olivier). The objective was to see how different cultivars of maize are resistant to this pest. Seeds of sixteen cultivars of maize (CMH08-287, CMH08-292, CMH08-337, CMH08-381(G), CMH08-381, CMH08-433, CMH08-464, CMH08-3500, Aditiya, CP818, CO6, Dhaanya 8255, Winner, NK6240, Pioneer 3502, and Sun 126) were screened at Insectary, Department of Agricultural Entomology, TNAU, Coimbatore. All the maize hybrids were assessed for the change in the seed quality in terms of germination percentage, hundred grain weight, shoot length, root length, seedling length, dry matter production and vigour index after the damage by S. cerealella. There is a significant reduction in the seed quality was observed in all maize hybrids due to S. cerealella damage.

Key concepts: Sitotroga cerealella, Gelechiidae, Biology, Cultivar, Germination, Horticulture, Lepidoptera genitalia, Agronomy

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