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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2017, Vol. 5, Issue 1
Weather based forecasting models for prediction of leafhopper population Idioscopus nitidulus Walker; (Hemiptera: Cicadellidae) in mango orchard

Rakshitha Mouly, TN Shivananda and Abraham Verghese

Predicting the population of Idioscopus nitidulus well in advance can lead to the successful IPM program where a timely intervention and proper management of pest can be scheduled. The present study aimed at determining the effect of abiotic variables on population buildup of leafhoppers in an organic mango orchard to develop weather forecast models for hoppers. Correlation matrix between I. nitidulus and weather parameters was worked out, followed by regression to obtain a comprehensive weather forecast model for the pest. Significant (p= 0.05) correlations were observed in trends of hopper population and between maximum temperature (positive) and relative humidity-I (negative). The simple linear regression explained the highest variability R2= 0.77 and R2= 0.42 with maximum temperature and relative humidity-I respectively. Multiple regression analysis with both maximum temperature and relative humidity-I as independent variables could explain the variability up to 70%. Thus, simple linear regression model derived for maximum temperature had the strongest relationship for the population build-up of hoppers. The best single predictor, maximum temperature is proposed as a reasonable precision indicator suitable for forecasting the changes in population of hoppers that can be used in management decisions.
Pages : 163-168 | 1242 Views | 157 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Rakshitha Mouly, TN Shivananda, Abraham Verghese. Weather based forecasting models for prediction of leafhopper population Idioscopus nitidulus Walker; (Hemiptera: Cicadellidae) in mango orchard. J Entomol Zool Stud 2017;5(1):163-168.

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