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View Diary: Massive Oregon Bee Killing Update: Pesticide Temporarily Banned, Memorial Service Planned For Sunday (121 comments)

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  •  One small correction (5+ / 0-)

    Saying that neonicotinoids are long-lasting in soil makes the assumption that the soil is not healthy.  A healthy soil, one that is full of white-rot fungi, can metabolize this pesticide.  

    Unfortunately, tillage and overuse of pesticides, herbicides and fungicides has wiped out much of the soil biology on agricultural land and landscaped areas.  Healthy soil biology still exists, but only in areas where man has not decided to "improve" the land.  

    These trees should be heavily mulched with a mulch that has been inoculated with a white-rot fungus.  Then the dinotefuran that continues to wash off with each succeeding rain can be degraded.  But if this Target parking lot is like most that I have seen, most of the dinotefuran is going to be washed over a lot of asphalt to the nearest storm sewer.

    •  The pesticide class (2+ / 0-)
      Recommended by:
      midwesterner, KenBee

      is also used systemically, and is poured on the roots of fruit trees, for example, or coated on the seeds. The systemic pesticide is then expressed in the pollen and nectar. With repeated applications on the roots, certainly it must buildup.

      "In times of universal deceit, telling the truth will be a revolutionary act." -George Orwell

      by ZhenRen on Sun Jun 30, 2013 at 09:32:30 AM PDT

      [ Parent ]

      •  Unless there is mycorrhizal fungi (3+ / 0-)
        Recommended by:
        ZhenRen, OllieGarkey, KenBee

        It will build up unless there is from metabolic pathway (mycorrhizal fungi) to degrade it.  

        There are two paths to take here: (1) promote beneficial fungi and let the plant grow strong enough to withstand a burden of insect pests, or (2) every time you think there is a problem, reach for a bottle of toxic chemical.  We all know which path has an advertising budget.

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