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Options for Management of Diaprepes in Florida Citrus - Page 2
Targets and Strategies
Control Adults
Broad Spectrum (Sevin, Lorsban)
Control Eggs
Micromite, parasitoids)
Barriers to Neonate Larvae
Brigade, Screen
Control Larvae
Nematodes
Control root rot
Resistant rootstocks, fungicides, water
Each life stage presents opportunities and constraints for control.
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The adult is the most accessible lifestage, and can be controlled with broad-spectrum insecticides.
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Certain growth regulators may sterilize the eggs, both through ingestion and direct contact with residues on leaf surfaces.
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Physical or chemical barriers can be placed on the ground to prevent penetration by neonate larvae.
Nematodes that attack insects can be applied to the soil.
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Finally, root rot that may be exacerbated by weevil feeding may be controlled with fungicides.
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When considering all these options, the ultimate question to ask is whether benefits (increased yield) will be sufficient to offset costs.
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