pjwrc.co.uk
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Pesticide Adjustment to the Crop Environment (PACE) 
  • Many pesticide products, approved for orchard spraying in the UK, recommend constant dose-rate (amount per ha) application to trees of different: age, growth-stage, planting-density, foliar-density and size. 
  • However, PACE research  has established that the label recommended dose-rate (i.e. product per unit  ground area covered) should be adjusted for optimum use of these products with the wide range of orchard structures cultivated by fruit growers.     
  • This website demonstrates a practical dose adjustment calculation aimed at UK growers.  The inputs to this calculation describe: sprayer set-up, pesticide product type and orchard canopy structure.  
   Typical orchard sprayer pre-blossom pesticide application