• treelooker's Avatar
    06-14-2018
    Any followup on that inoculation work? Did the birds appreciate it? "infect" is judgmental; who are we to say what microbe is good or bad for the tree?
    37 replies | 1313 view(s)
  • treelooker's Avatar
    06-07-2018
    Many lindens have root issues from the nursery. Bartlett sprayed some for aphids in an OR shopping center, killed a pile of bees, and accelerated the anti-neonic movement. But a fine urban species if managed right!
    282 replies | 5839 view(s)
  • treelooker's Avatar
    05-26-2018
    We don't have a lot of ash but the green bug has arrived nonetheless. From what I read and hear, drenching works on smaller trees but larger trees have to be injected for effective control. Is this true? Why or why not? What diameter is the threshold? I have a few big ash trees under my management, and I Hate to drill if I don't need to.
    1 replies | 115 view(s)
  • treelooker's Avatar
    05-25-2018
    Not only do they not mix, the numbers don't compute either. I've read a lot of TRAQ reports that were really not defendable.
    31 replies | 1243 view(s)
  • treelooker's Avatar
    05-24-2018
    I'll be pruning this champ red oak in Ohio this summer. Don't really want to do it for free but still negotiating some payment. http://www.historictreecare.com/wp-content/uploads/2014/12/DD-LLL-1406.pdf
    282 replies | 5839 view(s)
  • treelooker's Avatar
    05-23-2018
    Not too similar. QTRA is more quantified, UK based, guided by HSE thresholds. TRAQ is pretty much US based, and it's mainly about CYA Both need supplemental experience and training on inspection to transcend their defect-based, defensive modes, and yield defendable opinions.
    31 replies | 1243 view(s)
  • treelooker's Avatar
    05-07-2018
    Liontailed: Higher risk now than before the work.
    14 replies | 617 view(s)
  • treelooker's Avatar
    04-10-2018
    There ya go; silly for an arborist not to have support systems in your toolbag. Re: to bolt or not bolt--for an open crack it is strongly recommended.
    54 replies | 1344 view(s)
  • treelooker's Avatar
    01-01-2018
    Here's what they are up to in Europe. Totally compatible with ANSI, ZTV, BS3998, QTRA, TRAQ, LANTRA, and the rest. If you have thoughts on either of these to share, they are taking comments this month. http://www.vetcert.eu/sites/default/files/2017-12/VETcert_Standard_Practicing_Public_Draft_0.pdf http://www.vetcert.eu/sites/default/files/2017-12/VETcert_Standard_Consulting_Public_Draft.pdf
    0 replies | 356 view(s)
  • treelooker's Avatar
    12-28-2017
    A VERY few dollars; the cap costs $3. I think...Since I work T&M, that would add $3 to the M. Tight enough fit, no glue. As Rocky rightly says, the tree makes its own. Waste of time? We'll see the results. :) White pine in OH; kinda different from slash pine in FL. JD it's in the research forest at Shalersville; you've never been?
    30 replies | 1514 view(s)
  • treelooker's Avatar
    12-27-2017
    https://www.homedepot.com/p/Charlotte-Pipe-6-in-PVC-DWV-Cap-PVC-00116-1400/203946149?cm_mmc=Shopping%7cTHD%7cG%7c0%7cG-BASE-PLA-D26P-Plumbing%7c&gclid=CjwKCAiApo3SBRA4EiwAty8i-vI9hx0kwkEDswSFtOpEILyQJqyZHUY_DjEM7QpxnWRBb9V-HfZMnxoCekgQAvD_BwE&gclsrc=aw.ds&dclid=COHAhIaYqtgCFUWAYgodUsIN5w
    30 replies | 1514 view(s)
  • treelooker's Avatar
    12-24-2017
    You could join next spring and take part!
    30 replies | 1514 view(s)
  • treelooker's Avatar
    12-18-2017
    Yup, pics and measurements taken twice a year. I don't expect any rotting, and I do expect faster scarring. We left two as controls.
    30 replies | 1514 view(s)
  • treelooker's Avatar
    12-18-2017
    Capping with tin is common in Montreal and some parts of France. At Biomechanics Week last year we reduced some white pine stems and used pvc caps over the tops. 4" and 6". The idea being to keep bad stuff out and promote sealing. I plan to peek at them next April
    30 replies | 1514 view(s)
  • treelooker's Avatar
    03-10-2017
    Cmon Jon; you know better than that.
    13 replies | 3466 view(s)
  • treelooker's Avatar
    11-19-2016
    That wasn't a letter; it was a book! But I tried to reply respectfully, even if his logic wasn't clear. Seemed more like faith than belief. Funny that the reply was 14 pages later.
    9 replies | 1896 view(s)
  • treelooker's Avatar
    11-16-2016
    Yeah we'll see what their next move is. I kinda doubt the case will turn on science or economics, but power.
    9 replies | 1896 view(s)
  • treelooker's Avatar
    11-14-2016
    Yesterday I climbed a baldcypress that is under transmission lines so it's in an ongoing court battle. The tree's response to last year's pruning puts the lie to the myth that reduction cuts to buds and small laterals aka "footing cuts" will trigger wild sprouting and rampant decay. Last June I told their lawyers the pruning would provide 5 years' clearance and so far that looks about right. They may still try to make a case for removal but this evidence will not favor their cause. In the last pic, it's the L-shaped tree on the right.
    9 replies | 1896 view(s)
  • treelooker's Avatar
    11-10-2016
    Just the outer ends for now. I'm still wondering why (or if?) they will remove the trunk. Lots of concrete = $$$$$
    21 replies | 2236 view(s)
  • treelooker's Avatar
    11-01-2016
    Yup. The hydrology changes were telling. I hope to get the report released soon; interesting story to tell. The NYTimes did not publish my letter, or a correction of any kind. :(
    21 replies | 2236 view(s)
  • treelooker's Avatar
    10-24-2016
    No soil treatments in recent history that I know of. That 100' datum was erroneous. Site conditions had changed over the years. Less root area, different hydrology.
    21 replies | 2236 view(s)
  • treelooker's Avatar
    10-20-2016
    That conclusion came from the pattern of dieback and advancement of hypoxylon and armillaria, and previous experience with white oaks subject to sudden summer flooding. That, and the total lack of any other cause that fit the evidence.
    21 replies | 2236 view(s)
  • treelooker's Avatar
    10-17-2016
    o aND Dear Editor, It was good to read James Barron's report on the Basking Ridge Oak (600-year-old-oak-tree-finally-succumbs). In early August I climbed and inspected the tree together with Mr. Gillies, and wrote the final report. The article told the tree's story well, but for one small detail. Old white oak trees typically respond to heat and drought by closing off their pores to conserve water. The pores (stomata) in the leaves regulate transpiration. Trees can also plug up vessels in "the rings deep inside, behind the bark" to prevent the spread of disease, but this process is not a response to drought. The article was right on the ultimate result: the tree died because it could not process a sudden influx of water after a period of drought. Thanks to the Times for covering the passing of this historic tree. For more information on the diagnosis and prognosis, see historictreecare.com. *****************************
    21 replies | 2236 view(s)
  • treelooker's Avatar
    10-16-2016
    This was the saddest aerial inspection I have ever done. A fruitless search for signs of arboreal life. I'm surprised they are talking about taking the whole thing down. Leaving the bottom 20' as a vine prop seemed like a good idea. http://www.nytimes.com/2016/10/17/nyregion/a-600-year-old-oak-tree-finally-succumbs.html?smprod=nytcore-iphone&smid=nytcore-iphone-share Nice to see the tree's story conveyed accurately. Good work by Rob Gillies explaining what finally did the old girl in. {the tree responded to the initial “heat stress” by closing off the pores in the rings deep inside, behind the bark. “These shut down, so it doesn’t transpire,” he said. “Then it was inundated” by almost 12 hours of heavy rain. “The roots were soaking because it couldn’t process the water,” he said.}
    21 replies | 2236 view(s)
  • treelooker's Avatar
    10-16-2016
    Has anyone taken this 3-day course? Or the 1-day survey course? https://www.lantra.co.uk/awards/prod...ion-ita-course
    2 replies | 354 view(s)
  • treelooker's Avatar
    09-12-2016
    ...from an awesome guy: https://www.amazon.com/Praise-Plants-Francis-Halle/dp/1604692626
    16 replies | 1804 view(s)
  • treelooker's Avatar
    09-03-2016
    Also happens due to girdling roots.
    14 replies | 1490 view(s)
  • treelooker's Avatar
    09-03-2016
    "Crown shyness" is what Francis Halle' calls it. Avoid contact between plants in high wind; that can send signals thru the whole plant. Before you prune on that oak any more, you might want to make a long term plan.
    16 replies | 1804 view(s)
  • treelooker's Avatar
    06-27-2016
    Did something spill? Maybe dig and check the soil and roots under the dead branches.
    10 replies | 2062 view(s)
  • treelooker's Avatar
    06-21-2016
    Bob yes it does refer to line clearance. The transition from roundover pruning has been painful. utilities used to do more of a "U-Cut", clearing only a short distance below the wires. Then some began to deep-dive, taking off branches way below the lines, and even below the bundle of communications wires. This results in huge wounds, imbalance, and high risk, which are worsened after sprouts are removed on the next visit. I'm trying to encourage a return to U-cutting, and directional pruning on the regrowth. The pushback is fierce, but no one can tell me why V-cutting way beyond clearance limits (MVD) is necessary, or even desirable. I'm afraid that Alex might be spinning cartwheels if he saw cuts like this made in his name!
    15 replies | 1407 view(s)
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Trees connect Earth, and mankind, to the heavens.
For health, symbiotic associates are assisted. For structure, pests like decay are resisted.
Trees coexist with people and fungi, inexorably and indefinitely, instilling immortality. www.historictreecare.com

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