Vaibhav Kumar Jaiswal1, P.K. Bhagat2, G.P. Painkra3*, K.L. Painkra4, Sachin Kumar Jaiswal5 and Y.K. Meshram6
1-5Department of Entomology, Raj Mohini Devi College of Agriculture and Research Station, Ambikapur (497001) Surguja (C.G.) India
6CARS, Janjgir-Chapa (495671) Janjgir-Chapa (C.G.) India
Email: vaibhavjaiswal886@gmail.com
Received-04.07.2021, Revised-14.07.2021, Accepted-26.07.2021
Abstract: The field experiment was conducted at Raj Mohini Devi College of Agriculture and Research Station, Ambikapur (C.G.) during kharif 2020, to know the population dyamics of Bihar hairy caterpillar Spilosoma oblique and Til Hwak Moth Acherontia styx infesting on sesamum. Bihar hairy caterpillar appeared during 33rd SMW i.e. 12th – 18th August (2nd week). The peak population of Bihar hairy caterpillar was observed in the second week of September with a mean population of 12.10 larvae/plant. The correlation between Bihar hairy caterpillar, Spilosoma oblique and weather parameters during kharif 2020 results indicated that the population demonstrated a significant positive correlation with maximum temperature (r =0.546) and Til Hawk Moth, Acherontia styx infesting on sesamum. Til Hawk Moth appeared during 34rt SMW i.e. 19th – 25th August (3rd week). The peak population of Til Hawk Moth was observed in the second week of September with a mean population of 2.60 larvae/plant. The correlation between Til Hawk Moth, Acherontia styx and weather parameters during kharif 2020 results indicated that the population demonstrated a significant positive correlation with maximum temperature (r =0.698).
Keyword: Sesamum (sesamum indicum L.), Correlation, Spilosoma oblique, Acherontia styx
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