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?Aphids on Oncidium?

This is a discussion on ?Aphids on Oncidium? within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; Are thes aphids on my oncidium flower buds? I think so. Is there a way ...

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  1. #1
    Mark V's Avatar
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    Default ?Aphids on Oncidium?

    Are thes aphids on my oncidium flower buds? I think so. Is there a way to treat them so I don't lose the buds?
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    SPRAY! SPRAY! SPRAY!! A good dosing with insecticidal soap should do the trick, although you will need to keep an eye on them and re-apply as needed. You can also use a stronger insecticide, although that might damage the blooms as they are very tender. Check to see if you have ants too. The ants actually bring the aphids to the blooms and then 'milk' them of the honeydew.

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    OK, Diane. I bought some insecicidal soap spray, and after cleaning off any visible bugs with the kitchen sink sprayer set to hurricane force I soaked the plant with the soap spray. Then I did the same to every plant within 3' of the infected noid and I have isolated them. No sign of ants. There is no visible damage.

    The sepals on the buds are just showing some edge color but haven't opened yet. Do you think the soap spray will damage them.

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    No. I have had the same problem many times. Once you are sure the aphids are controlled, I would give the plant a good rinsing with clear water just to keep it from getting "clogged pores", at least that it what I do. Maybe with the sprayer set to a little lower than 'hurricane force'

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