Hi everyone. I just found this site looking for a lemon diseases site. I see there are people from all over so maybe someone can help. I grew these two lemon trees from pips 28 years ago. They are now 5ft tall and fruiting. This winter I let my paraffin heater burn out and they lost most of their leaves. EEK! They are growing back but some have funny white scabby bits on the stems, and some of the little leaves are turning black and dropping off like they have been frosted. Is this poisoning from the fumes or have they got a disease? they haven't been in contact with any foreign lemons and there aren't many around in London anyway. Help!
This is the first site I have ever joined....
I'm new and I have sick lemons!
I'm new and I have sick lemons!
Last edited by spot on Fri Apr 28, 2006 6:10 pm, edited 1 time in total.
Spot the dog
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Andy Hamilton
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Wish I could help you there spot, welcome to the forum anyway.
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shiney
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Welcome Spot, I hope someone here can help you.
I don't have any idea what's happened to your lemon tree. I have just cut 2ft off mine as it just went mad and sprouted in the last month or so. I keep mine in the bathroom where it seems to be very happy indeed. I do find that it needs a lot of water tho.
I don't have any idea what's happened to your lemon tree. I have just cut 2ft off mine as it just went mad and sprouted in the last month or so. I keep mine in the bathroom where it seems to be very happy indeed. I do find that it needs a lot of water tho.
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Millymollymandy
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G'Day Spot!
Is the white stuff fluffy and do some bits darken to black over time? It may be sclerotinia, a fungus disease, which if it is, Bordeaux mixture is the way to go. My guess is the frosting has stressed the trees allowing some other disease to move in. Can you give us any more details?
Nev
Is the white stuff fluffy and do some bits darken to black over time? It may be sclerotinia, a fungus disease, which if it is, Bordeaux mixture is the way to go. My guess is the frosting has stressed the trees allowing some other disease to move in. Can you give us any more details?
Nev
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lemons again
Good evening Wombat
Thanks for your suggestions. Sadly the white stuff isn't fluffy it looks more like limescale you get in your kettle than anything else. I am really more worried about the little new leaves and shoots that are dying back. Most of the leaves look nice and fresh and healthy, but some of them die before they get to half an inch long long, but they stay on the tree.
They haven't actually been frosted. I forgot the heater was on because we had a warm spell, which is why it burnt out. One good thing- it killed every single scale insect as well as the leaves! I've got an electric heater now. One other thing, these aren't proper commercial lemons - I just planted my pips from a gin and tonic. Maybe they are not a very good variety!
Thanks for your suggestions. Sadly the white stuff isn't fluffy it looks more like limescale you get in your kettle than anything else. I am really more worried about the little new leaves and shoots that are dying back. Most of the leaves look nice and fresh and healthy, but some of them die before they get to half an inch long long, but they stay on the tree.
They haven't actually been frosted. I forgot the heater was on because we had a warm spell, which is why it burnt out. One good thing- it killed every single scale insect as well as the leaves! I've got an electric heater now. One other thing, these aren't proper commercial lemons - I just planted my pips from a gin and tonic. Maybe they are not a very good variety!
Spot the dog