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Pest & Disease Library

Blights & Fire Blight: How to Identify, Treat & Control Them

“Blight” covers several fast, destructive diseases — phytophthora blights and root rots in vegetables, and fire blight in apple and pear — that can move rapidly under favourable weather and, in fire blight, run down shoots into the tree.

Common crops affected

How to identify it

  • Sudden wilting, dark stem lesions, tissue death (phytophthora)
  • Blackened, hooked shoot tips and oozing cankers (fire blight)
  • Firm, dark fruit and root rots
  • Spread with water movement or warm, wet bloom weather

Recommended Vegalab solution: Spore Control

Spore Control preventatively ahead of favourable weather; manage water/drainage for phytophthora and combine with sanitation for fire blight.

Results you can mention: Spore Control is documented against phytophthora (root rot) across fruit and vegetable crops and against fire blight in orchards.

RoleProductUse
Primary controlSpore ControlSpore Control preventatively ahead of favourable weather; manage water/drainage for phytop
Not sure this is what's affecting your crop? Ask an agronomist about your crop →

Claims and product availability vary by jurisdiction. Always read and follow the product label.

Frequently asked questions

Does it help with both phytophthora and fire blight?

The Spore Control guide lists both, used preventatively alongside cultural controls.