Studies on the insect pests of brinjal in Hoshiarpur District of Punjab, India

Abstract

Seventeen insect pests belonging to five orders were recorded from selected transects. Hemipterans were found to be very common and most abundant with seven insect pests. Neuroptera the least abundant with one pest was found during the experimental period, with orders like Lepidoptera, Orthoptera, and Coleoptera with three insect pests each. Wind speed and bright sunshine showed a negative correlation (r = -0.126) and (r = - 0 .778) during 2021 and (r = -0.73 and r = -0.41) during 2022 respectively. Rainfall, humidity, and evaporation have a positive correlation (r = 0.368, r = 0.551, and r =0.297) in 2021 and (r = .31, r = 0.89, and r = 0.81) during 2022 respectively. At maximum temperature (38.4°C) during April and May pest population was minimum. Rainfall and relative humidity favored the pest population.