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| As I stated in a previous post(s), this is THEE year of fireblight in my orchard. I've had it in years past and have been able to control it but this year is quite different. Even the huge non-bearing Bradford pears (the k-mart parking lot trees) are completely black with fireblight, which I have never seen. Anyways, my usual pruning and Streptomycin sprays are not working, and I'm losing trees. Nice mature trees. Its terrible. Here are some pics of young trees that I'm not sure what to do about, if you can help with experience, please chime in. This is a Horse variety on bud9. Some of the short shoots low on the trunk are blight-stricken, so there is no GOOD WOOD to cut back into. I'm wondering if the whole tree needs to come out? Again, here, shoots so low on the trunk that there is no good wood to cut into. I'd hate to pull this young tree out b/c it has nice structure. Same here: And here: |
Follow-Up Postings:
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- Posted by scottfsmith 6B-7A-MD (My Page) on Wed, Jun 25, 14 at 9:46
| Sorry to see that. Some good news is I think you are overly concerned about how much you cut back. On those small shoots just rip the shoot out and you should be good. I have done that to thousands of small shoots like that and I never saw it spread. If I didn't have my pruners handy I literally ripped them out at the base. Part of the key is to do it fast - check every day and get them out the instant you see wilting. When I was having a lot of blight I could detect it before the browning started. One more thing, look carefully at all the larger limbs for blackened spots with cracked bark. Those are the more worrying strikes that you may need to do major surgery on (or at least paint over). Scott |
This post was edited by scottfsmith on Wed, Jun 25, 14 at 9:48
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| yea, I think scott is right. Try to always save the tree if possible. New trees would probably encounter similar problems. It is the FB dance many of us do. |
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| many thanks. I've seen the blackened and cracked bark in the winter and took photos of it and posted and no one knew what it was. Now I know. Thanks again. |
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- Posted by scottfsmith 6B-7A-MD (My Page) on Wed, Jun 25, 14 at 15:24
| Ah. Those old wounds could be helping feed the infection this year; you can put paint on them to limit the spread. Scott |
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| I will be doing some painting this winter. i guess any outdoor latex paint would suffice? |
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- Posted by scottfsmith 6B-7A-MD (My Page) on Thu, Jun 26, 14 at 8:25
| I use either grafting seal or tree seal, they have more stretch to them as the tree grows. But its not a big difference. The best time to do it is before bud break each spring, get the wounds behind a barrier when they are about to start doing their nasty oozing thing. Scott |
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- Posted by harvestman 6 (My Page) on Thu, Jun 26, 14 at 16:23
| Lac Balsam is the Lexus of sealants. |
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