Organic Insecticides for Control of Asian Citrus Psyllid and Citrus Leafminer on Oranges, Fall 2014

Abstract

ACP is the key pest of Florida citrus due to its role as vector of greening disease or “huanglongbing.” Feeding damage from CLM larvae facilitates spread of citrus canker caused by Xanthomonas axonopodis pv. citri . The present trial is a result of our recent effort to evaluate options for controlling these pests with organically approved insecticides. The experimental block located at a commercial grove near Labelle, FL, consisted of 12-yr-old “Hamlin” sweet orange planted at a density of 132 trees per acre. Eight treatments and an untreated check were randomly distributed in an RCBD with four replicates in five-tree plots over nine rows with one untreated buffer row between treated rows and one untreated buffer …