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  1. #1
    dcromwel Guest

    Post

    New beekeeper this season. Wondering if any experienced keepers had strong feelings about herbicides and bees. I have a recently discovered patch of poison ivy behind my hives. Any advice?

    Thanks,

    David

  2. #2
    Join Date
    May 2003
    Location
    michigan
    Posts
    393

    Post

    I use the scorched earth approach on all permanent yards with 2,4D and Roundup.

  3. #3
    Join Date
    Jun 2002
    Location
    parker county, tx
    Posts
    7,923

    Post

    I read somewhere along the way that Round-up is not harmful to bees, but that MSMA is. I think I would spray it late in the evening either way.

  4. #4
    Join Date
    Aug 2002
    Location
    Nehawka, Nebraska USA
    Posts
    45,379

    Post

    I'm not fond of chemicals. There are lots of ways to kill weeds. Putting a sheet of black plastic on the ground is pretty effective as are scraps of plywood etc. But I have resorted to chemicals for the thistles on occasion. The Roundup I have usually regretted because it killed too much of the grass around the thistle.

  5. #5
    Join Date
    Mar 2003
    Location
    hanceville,alabama,USA
    Posts
    15

    Smile

    hey outdoor clorox sprayed undiluted from sprayer will kill all vegitation and it is just chlorine(we get plenty of that stuff in public drinking water)

  6. #6
    Join Date
    Jun 2003
    Location
    Jonquière, Quebec (ABOVE 48th parallel North!!)
    Posts
    150

    Post

    About Round-up,

    I was asking myself the same question a few days ago about the inocuity of round-up with the bees. Monsanto (the company that sells Round-up) says that there is no toxicity with bees, at recommanded dosage, neither by direct contact or by the nectar: the product is rapidly absorbed by the plant's leaves.

    Hope this helps...


  7. #7
    Join Date
    May 2003
    Location
    Bellingham WA USA
    Posts
    114

    Post

    Wineman - is there a commercial produuct whose main ingredient is 2,4D?

  8. #8
    Join Date
    Aug 2002
    Location
    Nehawka, Nebraska USA
    Posts
    45,379

    Post

    When I buy it, I just get the Ace Hardare or True Value Hardware brand. It will be a broadleaf killer that you can put on grass. Read the ingredients. It will be 2 (something) 4 (somthing) Dimethyl(somthing). If you want their roundup equivilant (which kills everything that grows) it will be advertised to kill everything.

  9. #9
    Join Date
    May 2003
    Location
    michigan
    Posts
    393

    Post

    There are a bunch of blends....I believe I read somewhere once that it is one of the first herbicides from just after WWII era. I believe it is component of most any broadleaf killer that you can pick up at the garden center or feed store.

  10. #10
    mmundy Guest

    Post

    Just read about spraying weeds with Vinegar in the section of Beesource called "In the News."
    http://www.beesource.com/news/article/vinegar.htm

    ------------------
    Michael Mundy
    Liberty Missouri
    http://www.geocities.com/libertybees/

  11. #11
    Join Date
    Feb 2003
    Location
    Arnold, Peoples Republik of Maryland
    Posts
    31

    Post

    I researched glyphosate (the active ingredient in Roundup) quite extensively about 8 years ago when I put in my water garden. The source for the following was the old EXTOXNET which at that time was maintained by a number of universities including Cornell Mich State, Oregon State and U of CA, Davis.

    I have made no attempt since then to search for more recent research, but I found no particular cause for concern at that time with fish or honeybees assuming proper use and application.

    " Glyphosate is relatively non-toxic to honeybees. Its oral and dermal LD50 is greater than 0.1 mg/ bee (7)."

    (7) The Agrochemicals handbook. 1991. The Royal Society of Chemistry, Cambridge, England.


    Hope this helps.

    Bill

  12. #12
    Join Date
    Nov 2002
    Location
    Sapulpa,OK USA
    Posts
    174

    Lightbulb

    A lady that I work with is an organic gardener. I really don't like to use chemicals. So I bounce questions off of her all the time and see just told me the other day that she uses Rubbing Alcohol and vinegar in a garden sprayer.

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