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Genius
Group: Forum Members
Last Login: 20/01/2012 12:23:33
Posts: 257,
Visits: 835
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| Hi all, i have a problem with my cascade ash tree in that lots of the leafs are curling up. i think there is some sort of insect inside the leaf, which may be causing the problem. Any thoughts would be most appreciated. 
If you forget your history, you will repeat your mistakes! RoyH 
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SENSEI?
Group: Administrators
Last Login: Today @ 13:02:20
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| I think that its a small caterpiller that does this Roy. If you tree is small enough to fit into a bucket, prepare the bucket of water with a little detergent added. Up-end the tree while supporting the medium with a hand and dunk the tree upside-down into the water. Agitate it slightly for a few seconds then withdraw and allow to drip without shaking. This will be all that is needed. If the tree is too big for this method, spray with the detergent laced water thoroughly including the undersides of the leaves. This may need to be repeated and will not harm the tree. An even stronger insecticide can be prepared by incorporating a small amount of cooking oil in the detergent. A very little goes a long way.
My name is Don and I'm a bonsaiholic.
My imaginary friend Givitago takes over when I'm not sure of myself in print. He's not a complete fool - several bits are missing.
This message has been created using 100% recycled electrons
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Genius
Group: Forum Members
Last Login: 20/01/2012 12:23:33
Posts: 257,
Visits: 835
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| Many thanks Don, I hope the pictures are of use to other forum members who may encounter the same problem. I'm off to prepare some soap water spray.
If you forget your history, you will repeat your mistakes! RoyH
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Genius
Group: Administrators
Last Login: 02/02/2012 10:10:31
Posts: 761,
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Yep, would whole heartedly agree with Don Roy, I had a similar occurance two years ago on crab apple tree leaves, did the same as Don suggests but then used Stergene (similar thing, soft soap) and it did the trick 
Kath
UK - Zone 8
"People will forget what you said,
People will forget what you did,
But people will never forget
How you made them feel."
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Genius
Group: Forum Members
Last Login: 20/01/2012 12:23:33
Posts: 257,
Visits: 835
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Thanks Kath, i have leaf pruned all the affected leafs off the tree & i have sprayed the tree with an insecticide, but I feel the soap / strerodent idea is the way to go.
If you forget your history, you will repeat your mistakes! RoyH
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SENSEI?
Group: Administrators
Last Login: Today @ 13:02:20
Posts: 766,
Visits: 4,525
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No Roy. Don't use toothpaste.
My name is Don and I'm a bonsaiholic.
My imaginary friend Givitago takes over when I'm not sure of myself in print. He's not a complete fool - several bits are missing.
This message has been created using 100% recycled electrons
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Genius
Group: Administrators
Last Login: 02/02/2012 10:10:31
Posts: 761,
Visits: 3,700
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 Oh dear Roy, slip of the fingers , love the new Avatar Don
Kath
UK - Zone 8
"People will forget what you said,
People will forget what you did,
But people will never forget
How you made them feel."
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Genius
Group: Forum Members
Last Login: 20/01/2012 12:23:33
Posts: 257,
Visits: 835
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I'm still laughing from last night when I realised what i had wrote whilst laid in bed, "sterodent" :
If you forget your history, you will repeat your mistakes! RoyH
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