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Posted

Phytophtora? Physiologically fine... I have not looked at extension growths yet. Lots of compression forks but pretty normal for beech I think, so... In between a house and a tennis court so either light reduction, nothing at all (inspections every 9 months) or remove, bracing? Another beech right next to it, same age, perfect health.

 

Cheers,

 

Island

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Posted

Center stem is getting squeezed out. Reduce it as it declines.

 

At the base, the decay is in the sinus; buttresses look more solid.

“Those

black droplets are coming out of ‘bleeding lesions.’ It

looks like a soil-borne organism, such as Phytophthora sp.,

is colonizing the phloem tissues under the bark. These

lesions are typically not a structural concern, unless interior decay is near the surface. This pest should be

managed with IPM treatments aimed at compartmentalization.”

I flipped through pages 354–367 of my book on

diseases. “‘Remove soil from stem tissue, dry the area,

deeply aerate nearby soil, clean and heat the lesions, and

amend the soil with calcium fertilizer and beneficial

microorganisms to help speed compartmentalization.’”

Posted

Cheers for that Guy! And for the new term; sinus(in this application). A bit confused with the IPM recommendations; dry the soil and then aerate it? Is it not better to aerate(air spade) the soil when it is wet?

 

No experience with adding calcium nor cleaning and heating lesions... The lesions are actually dry and clean and there is some callus regrowth.

 

Going back there on Tuesday to do some more trees. I will take some pics of the overall tree and have a second look at it. I don't know how much the owners are willing to have its condition ameliorated but can always ask.

Posted

Dry the stem, not the soil.

In this beech, the horrible structure leading to the stem dying is the problem. Unfixable really; a crossing limb (1st pic) seems to have been semi-inosculated; the graft did not completely take.

If in time the 2nd beech could occupy the canopy space then this is one that might be expendable. But seeing the crown(s) would help a lot.

Posted

Updated pictures. Sorry they are sideways; saved them to hard disk, righted them and then uploaded camera files instead of files on hard disk...

Second pic it is tree on left and on fourth it is on right. Thinking of recommending airspading and monitoring...

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