Wheat Blast: A Global Threat to Wheat Production

Rajiv K. Sharma and Pawan K. Singh

CONTENTS

  • 1.1 What Is Wheat Blast?.......................................................................................1
  • 1.2 Where Is It Present?..........................................................................................2
  • 1.3 Pathogen............................................................................................................3
  • 1.4 Why and How Can It Be a Global Threat?.......................................................4
  • 1.4.1 Favourable Climatic Conditions...........................................................4
  • 1.4.2 Pathogen is Evolving Fast and Evolving to Wide Spectrum

Host-Pathogen Interactions and New Hosts.........................................4

  • 1.5 Sexual Reproduction Evolves New Strains.......................................................6
  • 1.6 Evolving to Be Tolerant to Fungicides..............................................................8
  • 1.7 How Should the Disease Be Managed?............................................................8
  • 1.7.1 Quarantine............................................................................................8
  • 1.7.2 "Wheat Holiday”..................................................................................9
  • 1.7.3 Disease Forecasting..............................................................................9
  • 1.8 Breeding for Resistance..................................................................................10
  • 1.9 Fungicide Application.....................................................................................10
  • 1.10 Cultural Practices...........................................................................................12
  • 1.11 Biological Control...........................................................................................12
  • 1.12 Conclusion and Future Outlook......................................................................12

References................................................................................................................13

 
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