Wheat Rust

  • Yellow rust is a fungal disease which turns leaves yellowish and stops the photosynthesis.
  • It is caused by the Magnaporthe oryzae fungus and was discovered in Brazil in 1985.
  • The fungus attacks the leaf of the crop and eats its chlorophyll, thereby affecting the plant’s growth.
  • It can cause up to 20% yield loss.
  • In recent times, temperature rise caused by climate change has contributed to the spread of the fungus.
  • Why in news? FAO has called for International collaboration on wheat rust to curb threat to global supplies.

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