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PESTS OF ORNAMENTAL PLANTS

PESTS OF ORNAMENTAL PLANTS. Aphis gossypii. Homoptera; Aphididae Larvae & adult feed on young growth, flower spikes, and developing flower buds. Attracted to the fluid excreted by some orchids when they flower flowers become mottled (bertompok-tompok) and distorted (herot).

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PESTS OF ORNAMENTAL PLANTS

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  1. PESTS OF ORNAMENTAL PLANTS

  2. Aphis gossypii • Homoptera; Aphididae • Larvae & adult feed on young growth, flower spikes, and developing flower buds. • Attracted to the fluid excreted by some orchids when they flower • flowers become mottled (bertompok-tompok) and distorted (herot)

  3. Control: use of pesticide is not advisable. Usually just spray with insecticidal soap on the surface where you can see the honeydew produced by aphids

  4. Planococcuscitri • Attacking citrus plant • Control: using Cryptolaemusmontrouzieri(ladybird as predator), nematodes

  5. Tetranychus urticae • Produce silk web • Tetranychidae • Inspect/check undersite leaf • he predatory mites, Neoseiuluscalifornicus and Phytoseiuluspersimilis • Insecticidal soap

  6. Thripsspp & Frankliniellaspp Order:???? Infested flower buds fail to open or the flowers are deformed Damaged flowers become streaked and discolored

  7. Control: green lacewing, ladybird beetles Blue, yellow or white sticky cards or traps are effective monitoring tools (color varies with the thrips species) Insecticidal soap Carbaryl,permethrin

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