Survey and management of groundnut leafminer Aproarema modicella (Deventer) in different parts of Haveri district, Karnataka

Abstract

Roving survey was conducted in groundnut growing areas of Haveri district to investigate the infestation of leafminer population on groundnut. To conduct this investigation we have used the random roving survey in different village of district where in groundnut crop has been grown by marking the 5 X 5 meter area in the crop population and recorded the observation as no. of larvae per plant from ten randomly selected plants. During the survey the highest larval population (3.05 larvae/plant) from ten randomly selected plots were found in Savanur tq followed by Hanagal taluk (2.61 larvae /plant ) and moderate larval population were found in shiggaon, Haveri, Ranebennur and byadagi like (2.12 larvae /plant), (2.05 larvae /plant)and (1.95 larvae /plant) from ten ramdomly selected plants from each talukas respectively. The lowest larval population(1.52 larvae /plant) were recorded in Hirekerur taluk.