Search results

  1. KTSmith

    Carbon dating.

    Evo, Sorry to be slow in the uptake here. I know we've spoken a bit about fire history in your part of the world. The link to University of Arizona analytical lab above shows a comparable per sample cost with the facility at the University of Georgia...
  2. KTSmith

    This is strange.

    I share Cerviar's confusion. Sounds more like chemical contamination than microbes here. But perhaps all of this is in some misty past not to be plumbed.
  3. KTSmith

    Something strange

    Operators are standing by.
  4. KTSmith

    Fungus on Timbers?

    Well. happy to help. I try to be constructive and sometimes that means a long answer to what might seem to be a simple question. Some questions (and answers) are more entertaining than others, even to me! Often, although perhaps not here, the OP disappears into the distant, prior time while...
  5. KTSmith

    What are the black marks?

    Definitely injection wounds. I've dissected a lot of them. As for ring counts, and I guess this is obvious, the greatest accuracy is when you are counting at the plane of injury along the stem. the columns of wound-initiated discoloration do tend to attenuate above the wound. The provided image...
  6. KTSmith

    Preservation vs Condemnation

    Kenophobia! A new word for me, and a good one! I'd quibble about "waste products" mentioned above, but the sentiment is spot on.
  7. KTSmith

    Bizarre epicormic sprout on live oak

    Certainly for willow and saguaro, fasciation can continue for the long term.
  8. KTSmith

    Bizarre epicormic sprout on live oak

    Sure, for some woody species. I don't know about oak.
  9. KTSmith

    Bizarre epicormic sprout on live oak

    Yes, Fasciation! The growing tip (the apical meristem) in these cases divides to the side as well as "outward and upward", differentiation occurs about as normal, so you get those odd growths. Occurs in all sorts of plants, and is even a desired feature in some cultivar lines of willow, saguaro...
  10. KTSmith

    Spruce needle cast?

    Ah, much better with respect to DeeGore images. Yes, needlecast fungi are present! First thing: those white dots are the stomates (or stomata for those who prefer). Those are the breathing pores that allow for gas exchange in photosynthesis (and I think for respiration as well). The needlecast...
  11. KTSmith

    Options for cracking 5-stem silver maple

    Looking back to an earlier post in this thread: No, I would not expect that removing the one obviously cracked stem would kill the silver maple. Tree survival is often not the issue. The question that needs to be considered is: What do I want from this tree in this landscape? Will I get what I...
  12. KTSmith

    Spruce needle cast?

    My initial reply to the OP was frustrated by being provided no meaningful information upon which to base an opinion for any causal agent. Yes, those sure look like necrotic conifer needles. Especially without knowing tree species or physical location, I don't have much reason to reckon that...
  13. KTSmith

    Hope for ash survival

    Thanks Tom for the link to that article in Science. My co-worker Jennifer Koch from our Delaware, OH lab is featured. Her work is a standout. The article is also good to describe differences of opinion by the front-line scientists. That is the system working!
  14. KTSmith

    Spruce needle cast?

    If it was important to diagnose accurately, one would like to know the pattern of distribution of the browning in the crown (top to bottom? bottom to top? outside to inside?) and on the individual branch (older needles first?). A close look with a magnifying glass: are there itty-bitty black...
  15. KTSmith

    Removing EAB trees

    For Seedy J and those myriad small wounds. I'd start with cambial miner, an agromyzid fly like Phytobia or some such. Native pest on a number of northern hardwoods.
  16. KTSmith

    Bleach

    Thanks Evo for doing the right thing. Took you a week? Only a week? For me, the lag to doing the obvious right thing is sometimes much longer! I'm working on it, though.
  17. KTSmith

    Is my Mesquite tree diseased?

    Mesquite is host to both flat-head and round-head borer beetles, and these holes appear (to me, anyway) consistent with infestation. In otherwise healthy trees, these common insects are not usually considered serious pests. Arizona has a pretty good extension education program and free...
  18. KTSmith

    Hey Look at My Crud...

    I'd start with Scleroderma as SL suggests. Puffballs (e.g., Lycoperdon) are usually softer to the touch. Also, the puffballs with a roughened surface....for them, the rough surface are actually little scales. With the earthballs with a rough surface (e.g. Scleroderma) the roughness is...
  19. KTSmith

    Hey Look at My Crud...

    Well of course to me, it's just the great wheel of dharma turning! Everybody (including those inky caps) are just being the best they can be. It's me that doesn't measure up!
  20. KTSmith

    Hey Look at My Crud...

    Serf Life is on the right track. A careful look at the images shows that the light-colored patches on the topside of the cap are scales (squamules) which leads me to the Variegated Inky Cap aka Felt-Scale Inky Cap which a current worker might call Coprinopsis variegata. The scales are remnants...
View older results

New threads New posts

Back
Top Bottom