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In the pic you can see big sticky drops on my indoor citrus tree. I have the citrus tree right next to window. I have there also another 3 small citrus trees like this, but only this one has sticky leaves. I treat them the same way.

How should I cure citrus leaves?

enter image description here

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I can see some sort of insect on your plant, small tan coloured objects which may be citrus scale. Scale produces honeydew, which is likely what the sticky fluid droplets are; this often leads to the secondary condition, Sooty Mould, though that is more likely outdoors than in. Check the whole plant, including backs of leaves, stems and woody parts, to confirm, and then treat for the problem. If you can get neem oil spray where you are, that should do it, though you may need to repeat the treatment more than once. Even if you decide it's not scale but some other infestation, neem oil should treat for it, but the commonest infestations in these plants are mealybug, scale and aphids. More info in the link below - it's a blogspot, but does contain a useful photograph of brown soft scale, and information as to how to deal with it, you'll need to scroll down a bit, it's not at the top of the page

http://thecitrusguy.blogspot.co.uk/2010/03/lets-tip-scale.html

It's probably worth checking your other plants from top to bottom as well, to make sure they haven't acquired an early infestation of the same problem. If you cannot find a suitable oil spray, you will need to check for insecticides which say they will deal with this problem - but if you're expecting to eat any fruit produced by your plant, you must choose a treatment which is safe to for use on edible plants.

  • Before I use the Oil, should I somehow wash the trees? – Luxqs Jan 10 '16 at 18:14
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    No, not necessary - but bear in mind you may not want the oil spray all over your floor or furniture, so best to cover anything nearby first. – Bamboo Jan 11 '16 at 16:39
  • I could not find such oil spray but I get recommendation to use pongamia pinnata oil spray? What is your opinion? agrocs.sk/produkt/rock-effect – Luxqs Nov 1 '16 at 11:42
  • It's not one I've heard of, but having translated the page into English, looks like it should be effective – Bamboo Nov 1 '16 at 12:45

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