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Author Topic: white pine  (Read 462 times)

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Offline trapper

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white pine
« on: September 18, 2021, 09:40:42 PM »
when is the  proper time to remove unwanted branches from white pine?  zone 4
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Offline cbhansen

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Re: white pine
« Reply #1 on: September 27, 2021, 06:31:30 PM »
Not sure about proper time, but when I worked for the Ontario Ministry of Natural Resources, we would prune acres of pine trees all summer long.  They had been doing that for years without issues. 

Offline Clark

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Re: white pine
« Reply #2 on: September 27, 2021, 07:24:28 PM »
Interesting cbhansen. If youre removing dead limbs from larger trees then anytime is fine. The general rule of thumb has been dormant season only for pruning live branches. Maybe white pine blister rust doesnt infect through pruning cuts? Im not sure but wouldnt want to gamble in an area where WPBR is prevalent.

Clark
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Offline mudfarmer

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Re: white pine
« Reply #3 on: September 27, 2021, 10:09:29 PM »
Hey Clark,

MN DNR/UMN (they have done a lot more EWP research than most others) says this:

Quote
Pruning is one of the most effective ways to reduce blister rust infections and tree mortality. Pruning is beneficial on any size tree.
<...>
Branches can be pruned almost anytime of year. The best time to prune live branches is during the fall and winter when the tree is dormant. Spring is the only time trees should NOT be pruned when the bark is easily damaged and the shoots are expanding.
https://files.dnr.state.mn.us/forestry/ecssilviculture/tipsheets/tipsheet_10.pdf

White pine blister rust | UMN Extension

Like cbhansen I have had no issues pruning EWP basically any time of year, but sounds like my sample size is MUCH MUCH lower smiley_beertoast


Trapper if you can try to prune to 9/10ft you will love yourself in the future if this is a WPBR area!

Online Ianab

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Re: white pine
« Reply #4 on: September 27, 2021, 10:35:30 PM »
What has been found in NZ is the rust fungus thrives in damp conditions. Removing the lower branches allows more air flow and keeps things drier, so less rust fungus growing. That may apply more to local species and climate, but the fungus spores spread on the wind, and attach to drops of water on the needles and grow from there. Less water means less rust.
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Offline trapper

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Re: white pine
« Reply #5 on: October 02, 2021, 06:53:20 PM »
thanks all just removing branches to get under with mower
stihl ms241cm ms261cm  echo 310 400 suzuki  log arch made by stepson several logrite tools woodmizer LT30

Offline kantuckid

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Re: white pine
« Reply #6 on: October 03, 2021, 08:42:54 AM »
I have a row of planted EWP along the outer edge of my pasture. Having just bought a nice, nearly new 78 hours tractor with a dandy alu canopy, I decided yesterday was finally time to cut the branches the ROPS on my old tractor had beaten to death-along with myself in the seat! I used an Amazon pole saw bought dirt cheap w/o batteries as it uses my wifes girly string trimmer batteries. It's fiberglass pole and about 8" chain bar. Well, a billion sticktites and hundreds of poison ivies later, plus chiggers all over my body, and 8 ion lithium batteries later I've got them all off! Whew! 
The best times when you get er done huh?  :D At one end of the pasture from last winters ice/snow/rain mess I still had a pile of dominoed young pines blocking the end of the field-I just stood back and used my pole saw to whack most then after no batteries left fetched a chainsaw-once they're moved I'm almost ready to bush hog, double whew!
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Offline ppine

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Re: white pine
« Reply #7 on: October 04, 2021, 02:40:51 PM »
Removing some lower branches can take place any time. 
Pruning up branches on open grown trees helps push auxins to the top of the crown and apical meristem. 
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Offline Ron Scott

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Re: white pine
« Reply #8 on: October 04, 2021, 04:59:05 PM »
The rule of thumb date for pruning here in the Lake States Zone is any time after September 15th when trees have hardened off.
~Ron


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