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Thread: What's up with the Maple Trees?

  1. #11
    Join Date
    May 2006
    Chaplin, Connecticut


    The Gypsy Moth (Lymantria dispar) was first brought to the U.S. (specifically, to Medford, MA) from France in 1869 by Etienne Leopold Trouvelot, who was interested in seeing if he could cultivate them for silk production. It wasn’t long before they escaped and started wreaking havoc on the trees of Massachusetts. They were first discovered in Stonington CT in July of 1905, and were present in all 169 Connecticut town by 1952.

    If you live in Connecticut, you’ve likely encountered a Gypsy Moth. In fact, it’s very possible that you’ve suffered the impacts of an infestation on your property or a nearby park: defoliated or dead trees, caterpillars clinging to your clothes, and frass (caterpillar waste) falling from the trees into your hair, your coffee, or your picnic. You can go ahead and blame Etienne and his silk dreams for this.

    So how did we fare this season? According to Brad, we still need some time to assess this years’ damage, but the spread of a virus (Nuclear Polyhedrosis Virus, or NPV) and a fungus (Entomophaga maimaiga) that kills Gypsy Moths certainly did a number on the population. As rain helps to spread the fungus, the wet spring we had was a key factor in slowing the population growth this season. Anecdotally, attendees of Brad’s lecture reported seeing trees in their various towns covered with hundreds of dead Gypsy Moth caterpillars.

    So when will have more definitive information on this years’ infestation? We’ll have to wait for the results of Connecticut’s Forest Aerial Survey, conducted each year from late June to early August. Though the survey originally focused on Gypsy Moth defoliation, it has expanded to include other types of forest damage, such as Emerald Ash borer and Hemlock Woolly Adelgid.

    During the presentation, Brad answered a number of questions regarding the control of Gypsy Moths, including some regarding the manual removal of egg masses from trees. Many participants were surprised to learn that scraping the egg masses off the trees isn’t enough - - they will still hatch! Putting egg masses in soapy water, or in a mix of oil and water works best for successfully killing the egg masses. For more information on control and natural predators of Gypsy Moths, visit the Connecticut Agricultural Experiment Station Website: http://www.ct.gov/caes/cwp/view.asp?...&Q=588414&PM=1
    2 1/2 X 8 Leader revolution pans on an inferno arch with steamaway. 1500 taps, 600 gph Springtech RO, 3 vacuum systems (3/4 hp. Airablo, 2 hp. Tuthill oilring pump and a 2 hp. Busch claw pump)

  2. #12
    Join Date
    Apr 2009
    Bristol, VT


    Something to consider reducing the threat of defoliation by pests.

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  3. #13
    Join Date
    Jan 2010
    Corinth, New York, United States


    I have not had any defoliation but my question is why are the leaves changing colors and falling already. It seems to be a about a month or more early. Jeff
    2018 250 Taps on vacuum
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  4. #14
    Join Date
    Mar 2008
    Daleville Pa.


    Quote Originally Posted by Wanabe1972 View Post
    I have not had any defoliation but my question is why are the leaves changing colors and falling already. It seems to be a about a month or more early. Jeff
    I am seeing the same thing here on some of my trees. I also notice that the ones losing the leaves are covered in seeds to the point they look more brown than green.
    2x3 Patrick Phaneuf pan
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  5. #15
    Join Date
    Mar 2011

    Default What's up with the Maple Trees?

    Quote Originally Posted by Z/MAN View Post
    I am seeing the same thing here on some of my trees. I also notice that the ones losing the leaves are covered in seeds to the point they look more brown than green.
    I too have several trees that have leaves changing color early. Some small branches even started in June. I assumed they were diseased, and cut them off at the trunk. But now I'm looking around at a few trees that are half orange already.. what gives?
    Last edited by Ohio Maple Blaster; 09-04-2017 at 12:22 PM.
    30 taps and a phonebook full of friends who are willing to help chop firewood in exchange for beer and some syrup.

  6. #16
    Join Date
    Mar 2009
    Ashtabula County, Ohio


    I too have alot of mature sugars that look really bad in NE Ohio. I think a big seed year combined with below average rainfall has contributed to the leaf drop. I worry that there will be alot of branch dieback.
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    Tapping the same trees my great, great and great grandfathers tapped.

  7. #17
    Join Date
    Jan 2006
    Sugarhill NH


    Heavy seed crop here, plenty of water all summer. Leaves on some reds just dried up and curled then fell off three weeks ago. Rock maples are turning dull brown some orange but at least 3 weeks early.
    30x8 Leader revolution, wood fired blower, steamaway/hood. 903 taps all but 54 on pipeline and 3 vacuum systems. Hauling sap this year with a 99 F350 7.3 diesel dump and of course back up is the Honda 450 and trailer.

  8. #18
    Join Date
    Mar 2009
    Ansonia, Connecticut


    Same observed in southern CT. Havent seen any gypsies , only a few tents on an apple tree. Tons of seeds and early browning on leaves.
    12 taps for 2009.
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    Down to 15-20 taps with the intent to save my marriage.

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