Monitoring of Fall Army Worm <i>Spodoptera frugiperda</i> (J E Smith)

Abstract

Study on monitoring of male moth fall army worm, Spodoptera frugiperda (J E Smith) was carried out in Agro-climatic zone-III at agricultural landscape of different farms of Anand Agricultural University, Anand during June 2020 to May 2022. A fifteen funnel shaped traps with lure for FAW were installed on border area and army-maize lure of Albero green organicz was suspended. The traps were arranged with at least 50 m distance between two traps which were spread over approximately 83 ha, Data from 104 standard meteorological week (SMW). Observation reveal that the counts ranged from 0.04 to 0.87 moths/trap/week from 24th SMW of 2020 to 23rd SMW of 2022. Higher numbers of non-target populations were captured in trap than the S. frugiperda. FAW moth catches/ week reported low positive correlation with bright sunshine hours (r=0.203) and very low positive correlation with maximum temperature (r=0.098); and markedly low negative correlation with evening relative humidity (r=-0.220), wind speed (r=-0.171) and rain fall (r=-0.126). It exhibited very low negative correlation with morning relative humidity (r=-0.048) and minimum temperature (r=-0.093).