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Zinc Phosphide Advisory

OACFA News

To prevent zinc phosphide exposure to geese in grass grown for seed, above ground use is prohibited from September 1 to May 7. All above ground use of Zinc Phosphide on grass grown for seed ended August 31, 2012.

A number of Special Local Need labels allow above ground use in/on grass grown for seed, but only from May 8 to August 31. These are:

  • HACCO/ Prozap Zinc Phosphide Oat Bait, (EPA Reg. No. 61282-14), OR-990009
  • Bell/ ZP Rodent Bait AG (EPA Reg. No. 12455-17), OR-990034
  • Motomco/ ZP AG Pellets (EPA Reg. No. 12455-17-3240), OR-990034
  • HACCO/ Prozap Zinc Phosphide Pellets  (EPA Reg. No. 61282-49), OR-050009

Below-ground use of Zinc Phosphide on grass grown can be conducted year-round and there are three zinc phosphide products currently registered for year round below-ground use in grass seed fields.
The advisory cautions that when making below-ground applications, do not allow bait to spill or be distributed above ground, as there have been goose kills resulting from careless applications.

  • Bell/ ZP Rodent Bait AG (EPA Reg. No. 12455-17), OR-050031
  • Motomco/ ZP AG Pellets (EPA Reg. No. 12455-17-3240), OR-050031
  • HACCO/Prozap Zinc Phosphide Pellets (EPA Reg. No. 61282-49), OR-050032

For more information on Special Local Needs Registration, check the Pesticide Notification Network: www.pnn.wsu.edu/pnnor.html#Section24cs


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