Question on: JSS1 Agricultural science - Common Pests and Diseases in Crops

Crop diseases can be caused by various pathogens, each with distinct characteristics:

  - Fungal Diseases: Examples include powdery mildew and rust, characterised by visible fungal structures on plant surfaces.

  - Bacterial Diseases: Bacterial blight and bacterial wilt are examples, often causing wilting, leaf spots, or cankers.

  - Viral Diseases: Viruses cause diseases like mosaic and leaf curl, leading to distorted growth and mottled leaves.

  - Nematode Diseases: Nematodes can damage roots, affecting nutrient uptake and causing stunted growth.

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