what's blighting my cherry blossom tree

  Legolas 10:33 24 Jun 2011

I have a cherry blossom tree on the front lawn and for the past few years it has started to get holes in the leaves as shown in the pic click hereit has got progressively worse especially this year. Does anyone know what it is and how to treat it?

  bluesbrother 15:43 24 Jun 2011

There are a couple of candidates here that might be responsible link text

  bluesbrother 16:10 24 Jun 2011

It does look a bit like this,

Prunus Necrotic Ringspot Virus link text

  Legolas 18:13 24 Jun 2011

Thanks bluesbrother it looks like cheery leaf spot now to find a treatment

  Legolas 18:14 24 Jun 2011

sorry not very cheery more like cherry

  bluesbrother 19:48 24 Jun 2011

Cherry Leaf Spot Plant Disease Fact Sheet link text

I hope you're right, leaf spot is a fungus and treatable whereas virus are not.

  Legolas 19:53 24 Jun 2011

Having looked at your link I think it is the original one my picture is almost identical to your original post so it looks like Prunus Necrotic Ringspot Virus so is there no treatment?

  bluesbrother 20:08 24 Jun 2011

If I remember correctly a virus attacks at cell level making it untreatable.

Hopefully someone will prove me wrong.

  bluesbrother 20:25 24 Jun 2011

This site doesn't mention PNRV in trees but does say this....

"#If a plant is infected with virus..remove and burn the plant."

link text

I really hope its not a virus, they are such lovely trees.

  Forum Editor 23:01 24 Jun 2011

There's no cure for PNRV, but some trees will put up a good fight. It's more serious in Cherry and Plum orchards, where an outbreak can reduce fruit crops by up to 50%.

All you can do is keep your tree pruned to admit plenty of light and air to the centre, and hope.

  Legolas 13:28 25 Jun 2011

Hi FE thanks for the reply. Would I be better to prune the tree right back and should I do it asap or wait till the growing season is over?

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