Lemon tree problem

My lemon tree which is about 50cm high and grows indoor in a pot has started oozing sp from it's trunk. Has anyone got any ideas as to what has caused this and is there anything I can do about it? Is it part of a terminal disease?

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  • fidgetbonesfidgetbones Posts: 11,259

    Check the underside of the leaves for scale insects. They bite holes which then ozze sap.

    It's not a mess, it's a nature reserve.
  • No obvious insects, no holes in the leaves, leaves still nice and green!

     

  • SingySingy Posts: 206

    Symptons read as gummosis,mentions scale as fidget said.

    This link shows details on it http://homeorchard.ucdavis.edu/files/140618.pdf

    Point 4.

    4. When should I prune a citrus tree?
    In general, citrus trees do not require frequent or severe pruning. Removal of deadwood and very weak
    shoots or suckers is the only pruning required. Avoid pruning grapefruit because of the potential
    development of Rio Grande gummosis disease (see Q. 34). In general, no pruning is required for the first
    15-20 years except for the removal of deadwood. Lemons are an exception and they require thinning and
    heading back to keep control of vigorous shoot growth. Light pruning can be done any time, heavy
    pruning should be done during the winter months so that tree limbs are not sunburned (DecemberJanuary). Manage the tree’s size so that it easy for you to harvest.

    Do not know anythingabout lemon trees but this is what i found doing a search.

  • Thank you all - I'll give it a good wash and clean this weekend and see how it does.

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