Abstract

Asian citrus psyllid (ACP) is the key pest of citrus in Florida, responsible for the spread of huanglongbing or citrus greening disease. Feeding damage from CLM larvae facilitates the spread of citrus canker. Product and method of application play critical roles in suppression of ACP. The experimental block at a commercial grove near Labelle FL consisted of 12-yr-old sweet orange ‘Hamlin’ trees planted at a density of 128 trees per acre. Trees were irrigated with micro-sprinklers, and subjected to conventional cultural practices. Five treatments two by ground and three by air and an untreated check, were randomly distributed across three replicates with 6 (200 trees) to 9 (150 trees) row plots, in a randomized complete block design. Treatments were applied on 5 May 2015. Ground applications …

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