[CANUFNET] Sugar Maple Decline Bancroft Ontario near Algonquin park

Wed Jul 8 10:31:31 EDT 2020

Oliver,

I appreciate your comments. As a Master Gardener, sugar production is well
outside my expertise.

What would you recommend as the best references for tapping guidelines?
Would these be appropriate to suggest?

   - Chapeskie, D., Richardson, M., Wheeler, A.,  Sajan, B., Neave, P.,
   2006 .  *A Guide to Improving and Maintaining Sugar Bush Health and
   Productivity*. Eastern Ontario Model Forest.
   https://www.eomf.on.ca/media/k2/attachments/A_Guide_to_Improve__Maintain_Sugar_Bush_Health_EOMF.pdf
   - Richardson, K. (2015). *Sugar Bush Management in Ontario:
   Identification of Resilient Adaptation Strategies for a Changing Climate*.
   MRP submitted to the Faculty of Geography, Wilfrid Laurier University.
   https://scholars.wlu.ca/cgi/viewcontent.cgi?referer=https://www.google.com/&httpsredir=1&article=1002&context=ges_mrp
   - Northeastern States Research Cooperative. 2010. S*ustainable Tapping
   Guidelines for Modern Maple Syrup Production. *
   https://nsrcforest.org/project/sustainable-tapping-guidelines-modern-maple-syrup-production

Thank you,
Catherine Kavassalis
MGOI.ca

On Wed, Jul 8, 2020 at 9:20 AM ConsultingArborist via CANUFNET <
canufnet at list.web.net> wrote:

> Hi.
>
> Like Michael said, those trees need to be looked at in the field. You've
> listed a bunch of arthropod pests which are relatively minor (gall mites,
> leaf miners, erineum mites, leaf rollers, etc...) and I highly doubt would
> be the cause of any significant decline or dieback. When I hear of sugar
> maples declining in a "managed maple forest", my first question would be if
> there is any tapping history and, if so, whether or not the guidelines for
> # of taps per tree have been adhered to (i.e., is there a history of
> overtapping?).
>
> Oliver K. Reichl, B.E.S.(Hons)
> Principal / Consulting Arborist-Ecologist*
> Arborsphere Arboriculture & Urban Forestry Consulting
> 18 Larue Mills Road
> Mallorytown, ON, K0E 1R0
> Tel: 613-213-6840 <613-923-8833>
> Web: www.oliverkilian.com/treecare, Facebook
> <https://www.facebook.com/pages/Oliver-K-Reichl-BESHons-Consulting-Arborist/192125024193992>
>
>
> * ASCA Registered Consulting Arborist #553
>   ISA Certified Arborist #ON-1178A
>   Ontario Butternut Health Assessor #039
>   ISA Tree Risk Assessor Qualified
>   OUFC Heritage Tree Inspector
>
>
> On Mon, Jul 6, 2020 at 11:00 AM Michael Richardson via CANUFNET <
> canufnet at list.web.net> wrote:
>
>> This gentleman needs some in the field help.  There are any number of
>> Foresters and Arborists who should be able to help.
>>
>> The problem needs to be identified before any treatment.
>>
>> He needs to check for Cryptostroma corticale (sooty bark disease) as one
>> of the less obvious issues.
>>
>>
>>
>> > I am a volunteer with  the Master Gardeners of Ontario and field
>> > questions from across Ontario. I received a desperate request from an
>> > individual in the Bancroft area regarding managed maple forest in
>> > decline. Canopy dieback, heavy insect damage including caterpillars,
>> > weevils, and aphids, along with mites and disease pressures seem to be
>> > occurring.
>> >
>> > In the one photo provided, I can observe two species of weevils (one
>> > appears to be Phyllobius oblongus - European Snout Beetle), a green
>> > aphid issue (with associated honeydew), some minor leaf miner
>> > activity, eriophyid mites with what may be erineum galls, minor leaf
>> > spots, a leaf roller, and webbing from unknown source (possibly mite).
>> > He reports additional caterpillar activity, which I presume are gypsy
>> > moths as they are widely reported in the region this year.
>> >
>> > He is unable to find anyone in the area to provide him support and
>> advice.
>> >
>> > Based on my reading, I have advised soil testing with particular
>> > attention given to phosphorus levels and potential  imbalances in Ca,
>> > Al, Mg and Mn. If consistent with soil tests, I have recommended
>> > liming based on recent article by Moore (2020).
>> >
>> > If open land is adjacent to the maple stand, I have also recommended
>> > creating a meadow buffer to support natural predators like lacewings
>> > and parasitic wasps to help control the aphids and insect pest
>> > populations.
>> >
>> > Please let me know if this advice is sound and what other measures
>> > this individual might take. Could you recommend advisors or
>> > consultants in the Bancroft area that might assist this landowner?
>> >
>> > Thank you for your attention to this inquiry.
>> >
>> > Best Regards,
>> > Catherine Kavassalis
>> > Master Gardeners of Ontario
>> > MGOI.ca
>> > Admin. https://www.facebook.com/groups/MasterGardenersofOntario/
>> >
>> >
>> >
>> > A few of the articles I have reviewed:
>> >
>> > Bal, T. L., Storer, A.J., Jurgensen, M.F. et al. (2015). Nutrient
>> > stress predisoses and contributes to sugar maple dieback across its
>> > northern range: a review. Forestry 88: 64-83
>> >
>> > McLaughlin D.L., Linzon S.N., Dimma D.E., McIlveen W.D. (1987) Sugar
>> > Maple Decline in Ontario. In: Hutchinson T.C., Meema K.M. (eds)
>> > Effects of Atmospheric Pollutants on Forests, Wetlands and
>> > Agricultural Ecosystems. NATO ASI Series (Series G: Ecological
>> > Sciences), vol 16. Springer, Berlin, Heidelberg
>> > https://link.springer.com/cha.../10.1007/978-3-642-70874-9_7
>> >
>> > Moore, Jean-David & Duchesne, Louis & Ouimet, Rock & Deschênes,
>> > Marie-Lou. (2020). Liming improves sap characteristics of sugar maple
>> > over the long term. Forest Ecology and Management. 464. 118044.
>> > 10.1016/j.foreco.2020.118044.
>> >
>> > McKenney, Daniel & PEDLAR, JOHN & LAWRENCE, KEVIN & CAMPBELL, KATHY &
>> > Hutchinson, M.F.. (2007). Potential Impacts of Climate Change on the
>> > Distribution of North American Trees. BioScience. 57. 939-948.
>> > 10.1641/B571106.
>> >
>> > OMAFRA. Beneficial Insects in Tree Fruit Orchards in Southern Ontario
>> > www.omafra.gov.on.ca/english/crops/facts/96-029.htm
>> >
>> > Tara L. Bal, Andrew J. Storer, Martin F. Jurgensen. Evidence of damage
>> > from exotic invasive earthworm activity was highly correlated to sugar
>> > maple dieback in the Upper Great Lakes region. Biological Invasions,
>> > 2017; DOI: 10.1007/s10530-017-1523-0
>> >
>> >
>>
>>
>>
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