[NAFEX] Herbicide drift on food crops

Mark Angermayer hangermayer at isp.com
Wed Jul 29 22:53:06 EDT 2009

Although I don't use Vessel, it is not a restricted-use pesticide, at least on a national level.  It may be restricted in some states, I don't know.

A Danger signal word has nothing to do with it's safety on food crops.  Some Captan formulations have a Danger signal word, and can be used up to day of harvest on many fruit crops.  A chemical can earn a Danger signal word because of potential eye damage.  This is the case with Captan, and appears to be the case with Vessel.

  ----- Original Message ----- 
  From: Road's End Farm
  To: North American Fruit Explorers 
  Sent: Wednesday, July 29, 2009 9:09 PM
  Subject: Re: [NAFEX] Herbicide drift on food crops

  On Jul 29, 2009, at 3:52 PM, akmanty wrote:

    The produce was Vessel. Peas, radish, grapes especially showed 
    signs. Rest of garden is a "guess" at best, though it was 
    windy. Product specialist says if any chance of spray drift, don't 
    eat, including potatoes, carrots, etc. down in the ground; also wait 
    30 days before replanting; not too likely in our climate. Anyone 
    have similar experience or opinions re: eating the food; long term 
    effects? Thank you
    Karen, WI zone 5

  Did you ask for this stuff to be used on your property? If not, the applicator was not behaving in accordance with their license. I have no experience with the particular chemical; but found the lable info searching online. This appears to be a danger-label (highest level of hazard on labels: levels are caution, warning, and danger) restricted use herbicide not intended for use on anything for consumption, and not supposed to be sold to or used by anyone not licensed to do so.

  I would call both EPA (or WI's version of NY DEC) and/or the applying company and notify them of the problem; at least, unless you asked to have adjacent lawn treated with this, in which case I'd probably just call the applying company.

  Stay out of the area for 48 hours, unless wearing protective gear (see label instructions, link below).

  If you have pets, consult with your veterinarian, especially if they were in the area during the drift or within the 48 hours.

  If the specialist says don't eat the stuff, I wouldn't eat the stuff; at least not without a lot more research.

  Despite the 48 hour re-entry and the danger label, it does appear to be legal to use Vessel on residential lawns, as long as it's applied by professionals. I'd a lot rather have weeds, myself.

  Product information here: (this is the HTML version according to Google; if you google "Vessel herbicide" the PDF version should pop up in the first few results).

  Finger Lakes NY; zone 5 mostly


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