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Pest & Disease Library · Solutions

Damping-Off Control in Tomato Seedlings

Damping-off is a soil-borne rot that collapses seedlings at the soil line in cool, wet, crowded conditions. This page covers damping-off in tomato.

Common crops affected

Why it matters

It can wipe out a tray or seedbed quickly and survivors are stunted; prevention beats rescue, since the pathogens live in soil and reused containers.

When it appears

Cool, wet, overcrowded, poorly drained seedling conditions.

How to identify it

  • Seedlings toppling with a pinched, dark stem at the soil line
  • Seeds failing to emerge
  • Patches of collapse spreading through a tray or bed

How to manage it

  1. Use clean media and sanitised trays; water carefully; give airflow.
  2. Apply Spore Control as a protective drench; build soil biology with Charge Bioboost.

Recommended Vegalab program

RoleProductUse
Primary controlSpore ControlProtects germinating seedlings
Soil biologyCharge BioboostSuppressive soil biology
RootsRoot BoostStrong early roots

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