Diseased Tree: Coral Spot

**Geordie** · 27-12-2005, 10:36 PM

Andrew,

As I understand it Coral Spot only attacks dead stems or branches. It enters through cuts or wounds being a fungus. It is not often terminal except if the tree has an underlying weakness, (yours is the fact it is a new tree and not established, if I read your post right).

If as you suggest you cannot prune back to clean healthy wood the only option I fear is to remove altogether. It may also be an idea to collect any other 'woody' plant debris and remove or burn.

Tough luck

One last thought - if it is a tree you purchased this year, it might be worth contacting supplier. Fungus would be difficult to suggest where it came from but a bit of presure may reap some reward!

**andrewo** · 28-12-2005, 10:42 PM

Diseased and dead: pruning

Geordie,
Dug up the tree yesterday, the root system was nowhere to be seen, so I got on to the suppliers - I had problems when receiving the tree as it looked pretty dead when I got it (should have trusted my gut instinct on that one). They tried to run the line that peaches need time to send down their roots, I pointed out that it had no roots and that the trunk snapped liked balsa when I dug it up. It had good drainage - so they have given me credit.

The question is, do I have to do anything to the soil? I'm planting a cordon around 6' away and I'm slightly worried about any spores as I will have to initially prune the trees, any organic suggestions for the cuts?

Andrewo

**Geordie** · 28-12-2005, 11:20 PM

Only suggestions I have are a protective wound dressing such as Medo or Bio Arbrex. However there is a school of thought that if you seal the wound you seal in any spores!

You may wish to consider a fungacide such as thiophanate-methyl, not organic I know.

I would try and buy the most mature tree I can find. Have a look around your immediate neighbours because Coral Spot can effect all sorts of wood, for example a garden arbour. If nobody else near you has seen it before chances are it came in on the tree.

**andrewo** · 29-12-2005, 10:59 AM

Never seen before

I'm working on the principal that it came in on the tree as the leader had been badly pruned, and frankly I have never seen it before anywhere in my garden or the gardens surrounding me (frankly I had never seen it before full stop and it took me awhile to identify it). However, I am going to remove the soil in the immediate vicinity in January and despose of it to be on the safe side.

Andrewo

**jessmorris** · 22-06-2013, 08:07 AM

I think we used to use Armillatox to sterilise oil before replanting. I don't know if it is still available now...

**yummersetter** · 22-06-2013, 10:18 AM

So was that a Norwegian Blue peach?

Do you want a credit so you can rebuy from these people? I'd go for my money back and buy from a really good nursery - peaches are fussy and you want to start with the best.

I have coral spot on live wood on some of my apples, it doesn't seem rampantly destructive and has disappeared when I look again. I think its a part of the recycling process of the dead wood, rather than a cause - I'd be more worried if the tree had been attacked by honey fungus. If I'm not sure of the state of the soil where I want to plant a tree, I swap it with earth from a veg bed. I think any sterilisation you try will wipe out the myccorhizal fungi and in that way harm any future planting much more that the coral spot.

**veggiechicken** · 22-06-2013, 10:43 AM

Jess and Yummersetter, did you notice the date on the OP's post? 2005

**yummersetter** · 22-06-2013, 03:05 PM

Doh!

Either the problem's solved or coral spot's taken over Lancashire, I guess!

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