Olive tree has white dots on leaves

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  • Thanks for your responses. I bought a spray gun and used which states it kills scale - it’s oil based. Will need to buy another to do again. I assume the white dots will stay on the leaves but hopefully be dead as at mo have to scratch off and hundreds. 

  • jenny794jenny794 Posts: 18
    You can use a hose to knock the dead ones off. With scale, you need to apply the treatment at specific times to kill the larvae. They are susceptible to your treatments as larvae as they have not developed the fluffy covering. I don't know the life cycle of these scales but for another type, I get on my orange trees its about 7 days.  So you need to spray every 7 days until you have control. 
  • Thanks Jenny 
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