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even if you can't post pics, please let us know the species (pure sp., hybrid, lombardy, etc) and any other conditions, like were they alive at the beginning of the year or they never leafed out in the spring, are they dead where bark is sloughing off, are there any live ones around them still...

Likely part of the issue using the Greyhound product isn't the active ingredient but the dosage volume. Assuming a 20" DBH for your 50' black cherry the Greyhound protocol calls for 1ml/4-6"DBH so that's about 4-5ml injected into that tree. At 1.9% AI the total abamectin injected is 0.095ml if...

"Spiral grain is very common and occurs in most of the tree species in the eastern U.S. About 95% of trees have counterclockwise spiral, and 5% clockwise (this is data from a survey I did myself of about 20 tree species in MN). What varies a lot among species and among individuals within...

MD - I had a similar tree in San Diego earlier this year...I thought to myself, "wow, I've never seen aerial roots on a magnolia before" then it dawned on me that is was in fact a rubber tree ( F. elastica). Slightly larger than the house plant version in my apartment! Pretty impressive root...

I've been following an online thread discussing just this question. Although it won't necessarily answer your questions it will shed some light: http://www.nativetreesociety.org/threads/spiraling_grain.htm

Hey Zac, Of the 100's of companies and offices currently using Xytect I only heard of the foaming issue a few times. It could be related to pH, water temp, agitation rate in your tank, etc. If you continue to have an issue with it and it's bugging you please give us a call and we can see if we...

Boo, I'd give the same advice of patience. There's common knowledge amongst bonsaists that apples like to have "tight" roots thus when transplanting apples don't remove too much root or they won't flower well the following year. They flower best when slightly pot-bound. This is also why we see...

Whne looking to hire a marketer, I think a lot of it comes down to knowing what you want to do. I work with tree comapnies from all over the country, from the big guys to the one-man-shows so I see a huge variation of marketing types. Some folks see a yellow pages ad as their annual marketing...

Cool! I assume you traveled the world collecting these photos?

Thanks, Dixie! I've been wondering about this post for a few weeks but didn't want to be an idiot and ask what heck kind of tree this refered to!

Two things: 1. Arborvitaes, although evergreens, will shed foliage each year in the fall time. It will be older needles/leaves thus will be inner ones. Completely natural, nothing to worry about. 2. Newly planted trees like these were likely growing in a field for several years then dug up...

Although it is true that apple will not flower until a certain age, age can be sort of ambiguous in fruit trees as they are grafted onto root stock. Root stock can be 1-2 years old while the flowering portion can be decades + old. A tree in the ground 2 1/2 years that hasn't flowered yet is...

You can learn more about Cambistat as part of a protocol for BLS here: http://www.rainbowscivance.com/bls/index.asp Just looking at the one photo it is difficult to say one disease vs another but I agree with the others that it does not look like typical BLS symptoms. The scattered nercrosis...

Took this this past week at the PacNW ISA show in Corvalis, OR on the OSU campus. Giant Sequoia (~50" DBH!) under utility lines. Seriously, what is wrong with people? :monkey: I'm sure this is an isolated incident, right?

Also take a looksie for scales/aphids/mealybugs up the canopy. Ants are known to be feeding off the honeydew those guys produce. The ants can even fend off would-be predators of them to protect their sugar source. Treeseer is right, little ants like that are not usually tree pests.

A photo of the base of the tree would be preferred as well. Lindens are notorious for stem girdling roots.

You can apply one season and (esp. w/ HWA) knock down a population that may take another year (or several years) to build back up. That is not the same as multi-year control due to residual chemical levels. How one conducts the research will vary these results. If the researcher is only...

With imidacloprid the water is just a carrier, the volume doesn't really matter. Whatever mixing ratio you use just get 1/6 of a packet onto the 4" birch and you'll be good to go. Be sure with any of the claims of multi-year control you are looking at residual levels of imidcloprid in the...

Carver, Post up some other pics if you have them. The blue gill is really nice.:rock:

The definition from my "Elements of the Nature and Properties of Soils" book: "E Horizons: Zones of maximum leaching (eluviation) of clay, iron, and aluminum oxides, which leaves a concentration of resistant materials, such as quartz, in the sand and silt sizes. An E horizon is usually found...