Download presentation
Presentation is loading. Please wait.
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)
4
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
5
Planococcus citri Attacking citrus plant
Control: using Cryptolaemus montrouzieri (ladybird as predator), nematodes
6
Tetranychus urticae Produce silk web Tetranychidae
Inspect/check undersite leaf he predatory mites, Neoseiulus californicus and Phytoseiulus persimilis Insecticidal soap
7
Thrips spp & Frankliniella spp
Order:???? Infested flower buds fail to open or the flowers are deformed Damaged flowers become streaked and discolored
8
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
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.