Population dynamics of painted bug and sawfly in mustard based on meteo rological parameters in semi-arid eastern plain of Rajasthan
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Authors
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Raj Veer Yadav
Division of Entomology, Rajasthan Agricultural Research Institute, (SKNAU, Jobner) Durgapura, Jaipur 302 018, Rajasthan, India
Author
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Vipin Kumar
Division of Entomology, Rajasthan Agricultural Research Institute, (SKNAU, Jobner) Durgapura, Jaipur 302 018, Rajasthan, India
Author
Keywords:
Athalia lugens proxima, Bagrada hilaris, meteorological parameters, principle component analysis, regressionAbstract
The impact of meteorological parameters on the population of painted bug, Bagrada hilaris (Burmeister) and sawfly,
Athalia lugens proxima (Klug) was studied at the research farm of Rajasthan Agricultural Research Institute, Durgapura,
Jaipur, during rabi 2020–21 and 2021–22. The correlation coefficients with the pooled data, showed a substantial
positive significant correlation of painted bug and sawfly population with maximum and minimum temperature (r=0.725*
and 0.749*) and (r=0.487* and 0.535*) respectively. Painted bug and sawfly had negative correlation with average
relative humidity (r = -0.599* and -0.366) and total rainfall (-0.275 and -0.205) respectively. On the basis of principle
component (PC) 1 and 2 the most significant variables for painted bug and sawfly larvae are abiotic factors as maximum
and minimum temperature
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