Examine the various types of crop diseases and ... - JSS1 Agricultural science Common Pests and Diseases in Crops Question

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.