Oozing lumpy Gleditsia

[JD3000]

Could just be burls but two big locusts here have these huge masses and some of them are oozing.

Seen this?

Herbicide exposure has been heavy over the years. Both from lawncare equipment applications but also near base of the tree (rather than a mulch bed around it). Both have been over lifted and over thinned. Canopies look great otherwise.

 

[Leroy]

This is a big oozing problem with hl's in our area, not sure if it's a thang in your zone?

http://extension.colostate.edu/topic-areas/yard-garden/honeylocust-diseases-2-939/

 

[JD3000]

No I'm familiar with Thyronectria and other normal problems.

Wondering if there are borers that like burls on HL or perhaps wood peckers or sap suckers.

Also wondering about this:
https://bygl.osu.edu/index.php/node/713

 

[ATH]

I don't think that is the Honey locust knots. I've not see evidence that they turn into much more than a knot on a limb. Those look like proper burls.

A little gummosis on HL isn't uncommon...sounds like you need to cut those open though. Got a lathe? Turn them into bowls. Don't have a lathe...sounds like a great excuse to go get a big one.

 

[JD3000]

I didnt think so either but with the herbicide cocktails used near them, I disnt know. Preemergent, post emeregents, sedge herbicides, etc