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Greenhouse Pest Guide
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Treatment Details
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Pick a Pest for Pesticides
Treatment Details
Pests
Trade Name
Rate/1 Gallon
Rate/25 Gallons
Comments
Mealybugs
Preferal
0.14-0.28 oz
3.5-7 oz
Contact insecticide. Active ingredient is an insect-killing fungus. To be effective, needs relative humidity 80% or greater for 8-10 hours. Thorough coverage of all plant parts is important.