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Mandarin dying

    4 responses

Ain Kuru starts with ...
My Mandarin Tree has taken a turn. Can anyone diagnose the problem and suggest a remedy?
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Picture: 2
 
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Ain Kuru
Samford
30th January 2011 9:38am
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Original Post was last edited: 30th January 2011 9:43am
kert says...
Probably collar rot . look at ground level. Does not appear salvageable . Time to call a priest.
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sydney
30th January 2011 9:55am
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Brendan says...
Looks like Lichen to me. It doesn't hurt the tree, but to get rid of it, spray with 30g copper oxychloride in 4 litres water, with 30ml of a good wetting agent. If it doesn't wet the lichen, double the wetter. Spray twice weekly for 3 weeks, then monthly.

If it has any rot, spray the tree, trunk & ground with Yates Anti Rot.

I'd give the tree a good prune, feed it with lots of gypsun, sulphate of potash, and add more mulch, but not near the trunk.

If that doesn't work, then do as kert says.
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Brendan
Mackay, Q
31st January 2011 9:27am
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Original Post was last edited: 31st January 2011 9:34am
Julie says...
I have seen a whole neglected orchard covered in lichen. Considering no water or fertiliser, the trees were doing fine and producing fruit.
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Julie
Roleystone WA
31st January 2011 7:48pm
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Ain Kuru says...
Many thanks folks

I think Kert is right as half the tree has died. However my citrus book states Collar Rot should not occur in commercially bred trees. Nevertheless I will follow Brendan's advice. Julie I hope you are right.

Do any of you have good reading references with pictures?

Ain
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31st January 2011 11:02pm
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