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Lemon tree deficiency

    6 responses

lshumsky starts with ...
This is my dwarf meter's first winter, and I'm not really sure how to care for it.

The leaves have started to turn yellow, and I'm not sure what deficiency is associated with this pattern?

The tree is about 1.5 metres tall.

Help!
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Lshum
Western Australia
4th June 2012 12:06pm
#UserID: 5612
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amanda says...
Vein clearing is not usually associated with a deficiency...have you (or your neighbour) sprayed any weed killer/herbicides around recently..?

Was it like this this when u purchased it..? Sometimes a virus can cause this also.
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amanda19
Geraldton. 400km north of Perth.
4th June 2012 2:34pm
#UserID: 2309
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lshumsky says...
Haven't sprayed anything. It was doing great in the summer, nice big green leaves. Have had it for nearly a year. This is the first trouble my tree has encountered.
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Lshum
Western Australia
4th June 2012 3:09pm
#UserID: 5612
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Julie says...
Strange, that looks exactly the same as my gardenia did last year.

I searched and searched and never did find out what the problem was. It eventually died. Not saying this will happen to your lemon tree Ishumsky, but it was very puzzling.
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Julie
Roleystone WA
4th June 2012 7:43pm
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amanda says...
Hey Ishumsky and Julie - I asked on another forum and Nitrogen deficiency came up..? When there is a sudden drop in nitrogen OR there is girdling of a trunk (eg collar rot maybe?) or branch - then vein chlorosis can occur also..?

Not sure what's on the other side of that fence in the pic (neighbours..?) maybe check they haven't sprayed on the other side lately?
Have you put any new mulch or anything high carbon in/on the soil and not fed the tree? (nitrogen draw down)
And - have you fed the tree since u planted it..? (and what have u fed it?)

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amanda19
Geraldton. 400km north of Perth.
6th June 2012 9:42pm
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lshumsky says...
I haven't noticed any collar or branch rot. Other than the few yellow leaves, the tree looks OK.

Good idea - I will check with the neighbours.

I was thinking it might be a lack of nitrogen too. I haven't fertilised in a few months, am probably due, although I'm not 100% clear of how often I should fertilise. I have read all sorts of advice. Should you fertilise in the winter? The last time I would have done it would have been late summer. (Feb-March?)

In Feb-March, I would have put a slow release citrus fertiliser in with the soil and I occasionally spray it with Miracle Grow.
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Lshum
Western Australia
6th June 2012 10:05pm
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Posts: 7
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lshumsky says...
Thank you everyone for your help!
About the Author
Lshum
Western Australia
6th June 2012 10:05pm
#UserID: 5612
Posts: 7
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