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Copper

Symptoms of Copper Deficiency

  • Marginal chlorosis of young leaves
  • Twig dieback 
  • Pigtailing 
  • Necrotic, brown spots over leaf surface
  • Reduced growth and yields.

Function

  • Chlorophyll production 
  • Photosynthesis 
  • Production of proteins 
  • Involved in several enzyme systems
  • Oxidation reduction reactions 
  • Formation of lignin 
  • Water movement regulation
  • Seed production

Treatment Options

Apply Copper onto crops subject to excess Nitrogen or Phosphorus; crops grown on high pH or heavily limed soils; crops grown on peat or muck  soils with high organic matter; crops grown on leached out acid soils  or sand; or when the conditions are cold and wet in the spring, delaying the availability of Cu. Soils high in Manganese content can reduce the availability of Cu.