Association of Weather Parameters with Seasonal Incidence of Melon Fruit Flies in Bitter Gourd Ecosystem at Varanasi
Keywords:
Bactrocera cucurbitae, trap catches, weather parameters, correlation, cucurbit ecosystemAbstract
In India and elsewhere in the tropics, the melonfruitfly, Bactrocera cucurbitae is an important insect pest on a wide range of cucurbit vegetable crops. Monitoring the seasonal pattern of population of this pest with attractant traps is reckoned as a key component of IPM. In the present studies undertaken in Varanasi,UP during 2019 Kharif season in cucurbit ecosystem, by monitoringthe weekly catches in six different trap-dispenser combinations with cue-lure as attractant, there was significant correlation with wind speed, which is also in conformity with earlier findings on the role of wind in dynamics of fruit flies. There was, nevertheless, lack of significant correlation with four other weather parameters studied. The Results indicated the scope to extend the study to capture the differential extent of correlation among key weather parameters with variations in time and space to evolve more robust short term prediction of the seasonal population pattern of fruit flies based on traps kept for monitoring in cucurbit crop ecosystem, for timely management of the pest.
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