Wheat blast

  • A new study shows that wheat, the world’s most important food crop, is threatened by a blast disease pandemic.

About Wheat Blast

  • The wheat blast is a fungal disease that affects wheat production in tropical and subtropical regions.
  • It is caused by Magnaporthe oryzae pathotype Triticum (MoT).
    • It was identified in Brazil in 1985.
  • The fungus infects wild and cultivated grasses, most notably rice and wheat.
  • It spreads through infected seeds, and crop residues as well as by spores that can travel long distances in the air.
  • It spread to major-wheat producing areas in the country and then to other South American countries like Bolivia, Paraguay, and Argentina.
  • Asia’s first outbreak of this pathogenic wheat blast was reported in Bangladesh in 2016.
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