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In the club meeting tonight there was discussion of using guy wires to hold a branch in position. Some of us tend to forget to cut the wire off and get scars.

There was discussion that bending with wire causes trauma that stimulates growth, guy wires don't, and thus guy wires have to be kept on for years.

Opinions?

Guy wires take longer, yes. Might be because of the trauma you mention. I look at it from a perpective that the bend you put in place with a guy wire generally tends to be over a longer portion of the branch, whereas a cold wire will cause more locallized deformations. The guy wire thus causes much less deformation and triggers less of a repair response. Thus less wood buildup to reduce tension. All in all, my conclusion is the same: Guy wires can take substantially longer to set than regular wiring. Benefit of course is that is put in place properly, you do not have to worry about scarring for a long time, compared to coiled wires.

Thank you for bringing this up: I am in the middle of drafting an article about guy wires for my website.

For me, the biggest disadvantaged of guy wire is that you can only add force in one direction ( most of the time downwards) , while coiled wire gives you the opportunity to bring movement in every direction .

Also, many times with guy wire you only get a arch formed branch. Does not look natural to me. On the thicker branches I tend to use both techniques. Coil wire to make movement and guy wire to hold it all down. I think it saves me some wire and looks neater. I dont worry too much about bite marks except for maples where they stay for very long time.

Hey Ivann.

I use both techniques when I find more suitable...
Even the species can be a factor to decide between one of those.

I try to be very watchfull on the wiring timing, that's part of it, I always remove before, even if I think the time still not enough, I prefer to wire again some other time than let it scar because the shape wasn't ready.

Guy wire is a good method also for seedlings, sometimes I just clamp the stem down, to start a drastic movement early.

I also keep the wired trees closer, so I can see and remember them. Fortunatelly never had a major case of wire scar, but well, accidents happens.

Thanks for the responses.

I forgot to mention one idea, to wire a branch, bend it, wait a short time (maybe two weeks), take off the wires, and replace with guy wires. This gets the trauma but also removes the scarring when we forget the wiring. I may try this sometime.

in my crate, there is still an old air chamber, I cut the jaws that I place under the wire to avoid its mark and I also use small pipes that are used for aquariums