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2020•International Journal of Current Microbiology and Applied SciencesOpen access

Impact of Sowing Period and Variety on Pod Borer, Helicoverpa armigera Hubner in Pigeonpea

GD Hadiya, S.D. Patel, RL Chavadhari, R. G. Machhar, CB Damor

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Abstract

A field experiment was conducted to study the impact of sowing period [24th, 26th, 28th, 31st and 33rdStandard Meteorological Week (SMW)] and variety (AGT-2, BDN-2 and Vaishali) on pod borer, Helicoverpa armigera in pigeonpea at Agricultural Research Station, Anand Agricultural University, Derol, Dist. Panchmahal, Gujarat, India during Kharif, 2014-15, 2015-16, 2017-18 and 2018-19. Results of the study revealed that late sown (31st and 33rd SMW) pigeonpeacrop had significantly lower population of H. armigeraand significantly lower per cent pod damage recorded at green pod as well as harvest stage. The effect of variety on per cent pod damage at green pod and harvest stage was non-significant. Grain yield was also not affected significantly by sowing period and variety.

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A field experiment was conducted to study the impact of sowing period [24th, 26th, 28th, 31st and 33rdStandard Meteorological Week (SMW)] and variety (AGT-2, BDN-2 and Vaishali) on pod borer, Helicoverpa armigera in pigeonpea at Agricultural Research Station, Anand Agricultural University, Derol, Dist. Panchmahal, Gujarat, India during Kharif, 2014-15, 2015-16, 2017-18 and 2018-19. Results of the study revealed that late sown (31st and 33rd SMW) pigeonpeacrop had significantly lower population of H. armigeraand significantly lower per cent pod damage recorded at green pod as well as harvest stage. The effect of variety on per cent pod damage at green pod and harvest stage was non-significant. Grain yield was also not affected significantly by sowing period and variety.

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Available abstract

A field experiment was conducted to study the impact of sowing period [24th, 26th, 28th, 31st and 33rdStandard Meteorological Week (SMW)] and variety (AGT-2, BDN-2 and Vaishali) on pod borer, Helicoverpa armigera in pigeonpea at Agricultural Research Station, Anand Agricultural University, Derol, Dist. Panchmahal, Gujarat, India during Kharif, 2014-15, 2015-16, 2017-18 and 2018-19. Results of the study revealed that late sown (31st and 33rd SMW) pigeonpeacrop had significantly lower population of H. armigeraand significantly lower per cent pod damage recorded at green pod as well as harvest stage. The effect of variety on per cent pod damage at green pod and harvest stage was non-significant. Grain yield was also not affected significantly by sowing period and variety.

Key concepts: Helicoverpa armigera, Point of delivery, Biology, Sowing, Agronomy, Toxicology, Botany, Lepidoptera genitalia

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