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Gateway on Pesticide Hazards and Safe Pest Management

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Prohexadione Calcium

General Information

  • Product Names:
  • Uses: foliarly applied plant regulator which reduces vegetative growth. In apples and pears decreases the need for pruning,allows more light to penetrate the tree canopy increasing fruit coloration,and, due to increased air circulation, decreases the incidence of fire blight, a bacterial disease of apples and pears. In peanuts decreases vegetative growth and aids mechanical harvesting.
  • Alternatives: Organic agriculture

Health and Environmental Effects

  • Cancer: Not documented
  • Endocrine Disruption: Not documented
  • Reproductive Effects: Not documented
  • Neurotoxicity: Not documented
  • Kidney/Liver Damage: Not documented
  • Sensitizer/ Irritant: Not documented
  • Birth/Developmental Not documented
  • Detected in Groundwater: Not documented
  • Potential Leacher: Yes (39)
  • Toxic to Birds: Not documented
  • Toxic to Fish/Aquatic Organisms: Not documented
  • Toxic to Bees: Not documented

Additional Information