See tips to help Florida citrus growers in planning citrus insect management for optimal outcomes.
A recent UF/IFAS Tip of the Week offered tips for planning citrus insect management, citing the fact that, ”With knowledge of insect and mite biology in relation to tree phenology, plans can be developed to protect fruit and maintain productive citrus trees.” See the tips below.
Planning Citrus Insect Management Tips
The tips for planning citrus insect management are:
Asian citrus psyllid and citrus leafminer. “Populations of some highly problematic pests (Asian citrus psyllid and citrus leafminer) generally increase with flush/new growth development, so targeting peak flush periods can help keep their populations from exploding.”
Lebbeck mealybug. “The first major population increase of lebbeck mealybug generally occurs with initial fruit setting. Damage from feeding at this stage of fruit development will cause high rates of fruit drop. Protecting developing fruit is key to protecting your crop. For early spring applications, be sure to check the label for use in relation to bloom for pollinator protection. These pests will need to be managed throughout the year, though the extent of management depends on the intended market of the fruit.”
Rust mite and citrus rust mite. Damage caused by these insects “to fruit can be minimized by targeted management in late spring (April/May) when populations first start to develop. Keeping mite levels low while fruit are in the early stages of development can prevent high levels of damage. Information for scouting and management recommendations can be found here.”
Thrips. These insects “can be a challenge, especially for fresh market producers. Flower thrips cause damage during bloom if populations are increasing and should be managed prior to bloom to reduce flower abortion. Orchid and greenhouse thrips cause rind blemishing where they feed on developing fruit. Information on scouting and treatment of thrips can be found here.”
Root weevils. These insects “are present in various life stages throughout the year. Because the primary damage from root weevils occurs underground, it can be hard to time management actions appropriately. The Citrus Root Weevil chapter of the Florida Citrus Production Guide describes the life cycles of the root weevils that attack citrus and explains management options that take advantage of their biology.”
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