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- [Mark] This is Mark
Isselhardt, Maple Specialist,

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with the University of Vermont Extension,

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and this is another Vermont Maple Minute.

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Late summer, while leaves are still green,

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is a good time to assess the
trees in your sugar bush.

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Weak or declining individuals

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will show areas of crown dieback.

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Trees with more than 75%
dieback will likely not survive,

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but are still competing for light, water,

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and nutrients with healthier crop trees

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and should be considered for removal.

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Flagging potential trees to
cut is a good way to plan

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for what needs to happen next.

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Remember that doing a
little over time is better

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and has less risk of
damaging the sugar bush,

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than doing a lot of work all at once.

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Trees that have grown up
with other trees for support

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and lack a strong root system

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and need time to adjust to
the increased growing space.

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Individuals could be lost to wind

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or be subject to root damage and sunscald

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if to too many adjacent trees
are removed all at once.

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Opening one or two sides
of a given crop tree

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balances the benefits of increased light,

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while reducing the risk
of a catastrophic loss.

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Above all, remember that safety
is the number one priority

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when working in the woods.

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This is Mark Isselhardt, Maple Specialist,

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with University of Vermont Extension,

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and this has been another
Vermont Maple Minute.