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Seasonal Activity of Spodoptera Frugiperda (j. E. Smith) in Maize Agroecosystem of South India


Affiliations
1 Department of Entomology, College of Agriculture, University of Agricultural and Horticultural Sciences, Shivamogga 577 204, India
2 Agricultural and Horticultural Research Station, Kathalagere 577 219, India
3 ICAR-Directorate of Floricultural Research, Pune 411 005, India
 

The fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith), was first detected in India in 2018 and seriously threatened the maize crop. In South India, we studied the population dynamics of FAW moths and the damage caused by the larvae in maize fields from 2019 to 2020. In the kharif season, the highest male moth catches occurred in July while in rabi season, the highest catches occurred in November. It was found that the early whorl stage (EV-V6) of maize crop was susceptible to FAW due to its high larval load, whereas the late whorl stage (V7-VT) of the crop showed greater leaf damage in both years

Keywords

Damage Rating, Fall Armyworm, Maize Crop, Pheromone Trap Catches, Population Fluctuation
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  • Seasonal Activity of Spodoptera Frugiperda (j. E. Smith) in Maize Agroecosystem of South India

Abstract Views: 270  |  PDF Views: 151

Authors

Palam Pradeep
Department of Entomology, College of Agriculture, University of Agricultural and Horticultural Sciences, Shivamogga 577 204, India
Sharanabasappa S. Deshmukh
Department of Entomology, College of Agriculture, University of Agricultural and Horticultural Sciences, Shivamogga 577 204, India
H. G. Sannathimmappa
Agricultural and Horticultural Research Station, Kathalagere 577 219, India
C. M. Kalleshwaraswamy
Department of Entomology, College of Agriculture, University of Agricultural and Horticultural Sciences, Shivamogga 577 204, India
Dnyaneshwar M. Firake
ICAR-Directorate of Floricultural Research, Pune 411 005, India

Abstract


The fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith), was first detected in India in 2018 and seriously threatened the maize crop. In South India, we studied the population dynamics of FAW moths and the damage caused by the larvae in maize fields from 2019 to 2020. In the kharif season, the highest male moth catches occurred in July while in rabi season, the highest catches occurred in November. It was found that the early whorl stage (EV-V6) of maize crop was susceptible to FAW due to its high larval load, whereas the late whorl stage (V7-VT) of the crop showed greater leaf damage in both years

Keywords


Damage Rating, Fall Armyworm, Maize Crop, Pheromone Trap Catches, Population Fluctuation

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DOI: https://doi.org/10.18520/cs%2Fv123%2Fi1%2F81-86