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  1. Jul 12, 2019 at 5:42 PM #1

    justagirlart

    justagirlart

    justagirlart

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    What can be used to kill scale on Phrags?
     
  2. Jul 12, 2019 at 8:42 PM #2

    Ray

    Ray

    Ray

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    The best product will be a systemic, since the adults are quite well protected from topical treatments by their shells, while they suck the juices out of the plant.

    My preference is acephate.
     
  3. Jul 12, 2019 at 9:55 PM #3

    tomkalina

    tomkalina

    tomkalina

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    FYI - Acephate is highly toxic to bees.
     
  4. Jul 13, 2019 at 1:05 AM #4

    CarlG

    CarlG

    CarlG

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    If you only have a few plants, repeated scrubbing with a soft brush and soapy water may do the job. If you have a substantial collection, acephate is better. Careful where you spray it (and it stinks, too).
     
  5. Jul 13, 2019 at 4:02 AM #5

    abax

    abax

    abax

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    orthene, which is a drench, is very effective on
    scale. However, it is destructive to insects in
    general. Unless you have a contained area like
    a greenhouse, don't use it. Yeah, it stinks.
     

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