Population dynamics of cut worm Agrotis ipsilon Hufnagel on maize in Kashmir
DOI:
https://doi.org/10.55446/IJE.2021.37Keywords:
Maize, Agrotis ipsilon, north Kashmir, seasonal incidence, host range, status, altitude, weather parameters, correlation, temperatureAbstract
The status of cut worm Agrotis ipsilon Hufnagel was studied in district Baramulla and its incidence was monitored in maize crop at the field of Faculty of Agriculture, Wadura, SKUAST-Kashmir during 2018. The incidence was observed at weekly intervals and was found to be infesting maize starting from germination to maturity. The results revealed maximum incidence and damage (74.24± 0.89%) at low altitude followed by medium (58.07± 1.87%); while the least was at high altitude (36.27± 0.78%). The larvae started occurring from 20th standard week (SW), reached its peak on 25th SW and then started decreasing from 26th SW. Incidence revealed a positive and significant correlation (r=0.634) with maximum temperature.
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