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Dark patches and yellow crystals on Ficus leaves. What's the cause?

  • Storm_Lord
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Dark patches and yellow crystals on Ficus leaves. What's the cause? was created by Storm_Lord

Posted 4 years 3 months ago #66848
Here is a picture of two of the leaves of my 26 year old Ficus. I cut them off when I saw them.

- There is some blackish/grey discolouration on both leaves.

- On the bottom of the smaller leaf, there are also some yellow crystal-like structures in the same place as the area of discolouration. You can see these in the photo. Maybe aphid honeydew? Not sure.

- When I cut off the leaves, a big droplet of whitish fluid flowed out. I'm presuming this is sap, and nothing to worry about, but I thought I'd mention it.

- I also found one root that had grown out through the hole at the base of the pot, which had a white fur on it.

Do you guys have any ideas about what's going on here? Are these two things (leaves and root) related, or are they separate diseases? How should I go about dealing with them?
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Replied by Storm_Lord on topic Dark patches and yellow crystals on Ficus leaves. What's the cause?

Posted 4 years 3 months ago #66849
Here's a pic of the whole tree (in case it helps!)
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  • Ivan Mann
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Replied by Ivan Mann on topic Dark patches and yellow crystals on Ficus leaves. What's the cause?

Posted 4 years 3 months ago #66857
White sticky sap is what ficus does. What fici do? Ficus do? Hybrid Latin/ English......

The discolored leaves may be root rot from over watering or a too compact root ball. Pull it out of the pot and see if it smells.
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  • Advandn
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Replied by Advandn on topic Dark patches and yellow crystals on Ficus leaves. What's the cause?

Posted 4 years 3 months ago #66879
Interesting thread, thank you for sharing.
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