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Whitefly (Trialeurodes vaporariorum) is a common pest in both vegetable and ornamental crops. Its broad range of host plants, including eggplant, cucumber, tomato, rose, and gerbera, makes it a persistent problem in horticulture. Originally from tropical and subtropical climates, the whitefly has adapted to greenhouse environments worldwide.
Whiteflies are small, white, moth-like insects that typically hide on the undersides of leaves. These pests feed on plant sap, leading to visible signs of infestation. Common symptoms include:
You can differentiate between species such as the greenhouse whitefly (Trialeurodes vaporariorum) and the tobacco whitefly (Bemisia tabaci) based on size and color differences.
Whiteflies cause significant damage by feeding on plant sap, which weakens the plant's overall health. This leads to several detrimental effects:
To manage whiteflies organically in greenhouse ornamentals, using natural enemies is essential. This sustainable approach minimizes chemical interventions while effectively controlling pest populations. Parasitic wasps and predatory mites are particularly effective in targeting whitefly larvae and non-mobile stages, reducing the spread of this pest. By integrating multiple biological controls, you can ensure comprehensive pest management and promote healthy crop growth. Combine biological control with proper hygiene for optimal results. Key natural enemies are: