PESTS OF ORNAMENTAL PLANTS

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Presentation transcript:

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)

Control: use of pesticide is not advisable 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

Planococcus citri Attacking citrus plant Control: using Cryptolaemus montrouzieri (ladybird as predator), nematodes

Tetranychus urticae Produce silk web Tetranychidae Inspect/check undersite leaf he predatory mites, Neoseiulus californicus and Phytoseiulus persimilis Insecticidal soap

Thrips spp & Frankliniella spp Order:???? Infested flower buds fail to open or the flowers are deformed Damaged flowers become streaked and discolored

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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