disease

Arborist Forum

Help Support Arborist Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
  1. Kirk_dobbs

    Maple / Acer Tree - possible disease

    I've just moved into a house with a beautiful maple tree. One of the branches has brown curled leaves and the bark on the tree doesn't look right but I'm no expert. Can anyone help identify what is wrong and offer advice on what to do. Thanks very much.
  2. A

    Help with struggling California Privet??

    I have a row of privets that were planted in about 3 seasons ago. T For some reason, this year, half of them have tiny buds but never really opened up. I have tried fertilizers, watering etc, and nothing seems to make them have more than small buds. They were all purchased and planted at the...
  3. dalewb

    Old white oak in distress

    Hello folks, we have an old white oak on our property (Cary, NC) whose base was partially buried when our property was developed back in the 90s (we assume that's when it took place). Today, it's still standing, but a stain is slowing spreading upwards on one side of it, and today I noticed a...
  4. A

    Can I use a diseased Redwood Tree as mulch in our landscaping?

    Greetings all, We are a large condo complex and we have two trees that look like they are dying. The Arborist advised us the trees most likely have Botrytis and Anthracnose diseases and that it would be best if they were removed so the disease does not spread to the other trees. The trees have...
  5. S

    Maple problems disease? Bug?

    Hello everyone I was wondering if anyone recognizes this “scale like” issue?? I’ve just acquired a small parcel in bonner MT. Near Missoula. I’ll attach a photo. The maples are not the only thing on the property with this issue.I also know this has to be two different problems, Thank you in...
  6. RaYel

    what is this? I hope it isn't Hypoxylon Canker

    I recently discovered a split in the bark of my Live Oak. This was following a really bad freeze from 2021 in DFW, Texas area. I was spraying water at the hole, and it popped out another hole about 6+ inches higher on the tree. I thought to myself, "ah oh!, this doesn't look good!". After...
  7. C

    Help identify tree fungus/disease and treatment

    Hello pros, I have a tree in the backyard which is developing holes and dark bark, please see images below. I think it's fungus but don't know what type. Would you please give some suggestion? And how to treat it? Thank you very much. Cal
  8. P

    Yellow patches on the bark of trees - disease/fungus?

    I live in Allen Texas and I have some trees in my yard that have yellow patches as seen in the pictures. Is this a disease, fungus, insects? Will it spread to the other tress? what can I do to protect and save my trees?. Thank you in advance fro your help
  9. S

    A potential issue with a Monterrey Oaktree

    I have a Monterrey Oak in my front yard that I planted back in 2014 (10-Gal bucket from the nursery) I noticed that the leaves of the lower branches are turning white and when I was clearing around the tree, I found small balls that were attached to the root of the tree. I was wondering if the...
  10. R

    Suddenly Dead Crabapple- how to Dispose to not spread to Apple

    My mature crabapple tree looked great last year (lots of leaves, blossoms and fruit), then didn't leaf out this spring, except for one branch that the leaves have since died on. I uploaded pics to an album called: Suddenly Dead Crabapple- how to Dispose to not spread to Apple At this point I...
  11. X

    My tree died and I want to see if has a contagious disease

    Hello, this tree in my yard died and I'm concerned if it has something that may spread to other trees. Please see the pictures attached. I live near Portland, Oregon. Thank you!
  12. D

    Apple Tree unknown disease/sickness

    Hello All, Any information or help with this would be appreciated. My apple tree has been sick for quite some time. Not many apples are grown to full size, many don't fall...and rot on the branch. As well the tree has lots of moss around it. Take a look at the photo below to see what the inside...
  13. LIG

    Tree Disease

    I have inherited a badly diseased tree in the last month. I'm looking to identify the issues and cure the disease. If the disease is not curable I will be taking the tree down myself with rigging equipment. Pictures: (Tree and branches) http://s216.photobucket.com/user/lalabby/slideshow/tree...
  14. H

    Pruning basic

    A couple of basic questions about pruning. From what I’ve read the best time of year to prune many trees is often around the very end of winter, say February. What about dead or diseased limbs? Is the best time to prune them whenever you discover them? Also, what about pruning a tree to reduce...
  15. J

    Plum tree disease

    i cant find any info on a disease one of my two plum tree has The tree bore fruit tjis year but shortly after the leaves turned black and are still on the tree Two months later . Any help would be truly appreciated ! Thank you
  16. M

    Elm Tree Having Issues

    The elm in my backyard is having it's leaves get splotchy brown patches and there is a spot on the trunk that is always wet with brown goopy stuff running down. At the top of the wet area there is a hole that has small worms in it. I'm not sure if the worms are there because of it or the cause...
  17. Z

    Woodpecker Attacking Large Maple

    Hello Everyone - I have a question regarding woodpeckers. I have a large Maple with a split trunk that was being attacked by a woodpecker this afternoon. I have always thought that this indicated insect infestation, rot, or disease. I'm wondering whether there is anything I can do to...
  18. S

    Norway Maple Bark Coming Off

    I attached a few pictures for reference, but the bark on the lower trunk is starting to rot and separate/fall off. There seems to be a dark stain behind part of the section that is coming off and also a small section of the wood (left side of dark spot) is starting to rot some on the surface...
Back
Top