Whats going on with these cherry trees?

HappyBallz(9A/B Valrico,Florida)April 28, 2012

I planted 4 cherries this spring and they all seem to be doing great but I have noticed some "changes" the other day.

The first 3 pics show one tree that has this gash and seem to have a little sap coming from it. I painted them all with paint and I do not remember that being there at all.

This one is from a different tree and the graft looks like it got chewed on by some bug. What could it be?

This is from a 3rd tree that don't seem to have a problem except for couple of leaves that look like that. Didn't see anything alike in the internet. Signs of problems?

I am a newbie with all of this; so should I be worried about any of these? I understand borer can be a problem so I'm trying to catch problems as soon as possible. Should I apply some imidacloprid? I would prefer to stay away from chemicals but I rather keep them alive. Should I paint them back in those spots?

Thanks!

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Konrad___far_north(3..just outside of Edmonton)

It looks like Bacterial Canker, I don't think much can be done, some trees can live with for some time.

    Bookmark   April 28, 2012 at 8:42PM
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Scott F Smith(6B/7A MD)

I agree it looks like canker. It could also have been just an injury, or an injury later infected by canker. The dark ooze makes me strongly expect there is canker now, though. When I get those on the main trunk I cut off the top 1/2" or so of bark down to clean (no dark) wood on the whole infected area. Its hard to do such a cut. Then paint it with anything to keep the canker from re-infecting.

The leaf looks like sunburn.

The tree base looks just like it grew and cracked the paint. maybe I missed something though.

Scott

    Bookmark   April 28, 2012 at 10:24PM
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blazeaglory(10 SZ22/24 OC Ca)

Looks like some kind of bacterial canker

    Bookmark   April 29, 2012 at 9:57PM
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HappyBallz(9A/B Valrico,Florida)

Thanks guys,

I will contact GrowOrganic and see what they want me to do.

If they will send a replacement and don't need this one back I will try cutting it out. Will report back.

    Bookmark   April 30, 2012 at 1:57PM
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Konrad___far_north(3..just outside of Edmonton)

Good idea Scott!
Will it heal in eventually over several years?

    Bookmark   April 30, 2012 at 9:06PM
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blazeaglory(10 SZ22/24 OC Ca)

I would at least spray it with copper or something.

    Bookmark   April 30, 2012 at 9:21PM
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blazeaglory(10 SZ22/24 OC Ca)

The soil looks really wet also.

    Bookmark   April 30, 2012 at 9:23PM
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Scott F Smith(6B/7A MD)

Konrad, I have so far not lost a cherry to canker and have done several major cuts on cankers. But maybe I have just been lucky. One reason why I do it is there is nothing to lose, the tree is going to die in a few years if you do nothing.

Well I just googled and several sites recommend cutting out cankers like I have been doing. See one below. It recommends to use a knife but many cutting tools could be used. I use a hand saw which is challenging to keep the depth correct on, it can go too deep easily. If you have woodworking tools there are many options there that could work well.

Scott

Here is a link that might be useful: cankers - cutting out

    Bookmark   May 1, 2012 at 8:57AM
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