Scheduling ACP spring spray selection based on the Citrus Flowering Monitor System

Scheduling ACP spring spray selection based on the Citrus Flowering Monitor System

Report Date: 01/18/2017
Project: 850   Year: 2016
Category: ACP Vector
Author: L. Gene Albrigo
Sponsor: Citrus Research and Development Foundation

Trees and branches to monitor for vegetative and reproductive bud development were selected in the test blocks and initial ratings were established. The Flowering Monitor System provided an initial flowering wave full bloom date of February 11 to 20 depending on the location within the Florida citrus production regions. A second wave of flowering wave projected to occur from March8 to 11 depending on location. Data collection is now started with bud break estimated to occur at the time of this report. Dr. L. Stelinski has agreed to cooperate in evaluating psyllid control when a block is sprayed at the beginning of spring budbreak rather than later after feather leaves are present. Two locations will be evaluated until full bloom, one near Frostproof and another near Lake Alfred. We will have our third year of data on the days before full bloom that bud break occurs, which presently is about 56 days.


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