Duration and magnitude of reduction of <i>Diaphorina citri</i> adults and nymphs on orange trees treated with soil applications of insecticides in Florida.

aNot all products are permitted for use on orange, so always follow the label for details on proper use. bGranular formulations, aldicarb applied within two, 3 ft furrows approximately 2 ft from the base of the two opposing sides of tree. NUQ 05054 is a slow release imidacloprid applied in a 4 ft circle around the base of the tree. cLiquid formulations applied as drenches to bare soil at a radius of 24 inches around the trunk of the tree with an EZ-Dose sprayer at a pressure of 45 psi and a flow rate of 3.7 gallon per minute. dMore than one formulation tested. eNumber of times product was tested in a randomized complete block design using at least 20 trees in four replicates each time. fSignificantly more reduction compared to untreated control (P<0.05). gBased on mean number of days significantly fewer adults or nymphs were observed on treated trees compared to untreated trees. hReference to reports which appeared in non-peer reviewed literature. Duration and magnitude of reduction of Diaphorina citri adults and nymphs on orange trees treated with soil applications of insecticides in Florida.