fusariumBiological information:

  • Common name: Fusarium
  • Scientific name: Fusarium oxisporum
  • Family or class: Nectriaceae

Symptoms and/or signs to watch out for:

  • Wilting
  • Chlorosis
  • Necrosis
  • Premature leaf drop
  • Browning of the vascular system
  • Stunting
  • Damping off
  • Older leaves yellow and drop first

Life cycle:

  • 3 different types of pores
    • Microconidia
    • Macroconidia
    • Chlamydospores

Mode of reproduction:

  • Asexual

Vectors for the pest:

  • Spores move short distances via water splash or equipment
  • Long distance via infected seeds and transplants

Overwintering habit:

  • It can survive in soil and on infected plant matter for long periods of time
  • Prefers warm, moist environments
  • Can infect plants in soil temperatures as low as 14° C

Alternate hosts:

  • Tomato
  • Tobacco
  • Cucurbits
  • Legumes
  • Sweet Potato
  • Banana


Horticultural production information:

Control options:

Physical controls:

  • Clean up dead plant matter
  • Avoid excessively moist

Biological controls:

  • Resistant varieties
  • Clean seeds

Chemical controls:

  • Fungicides are available but not 100% effective


Historical notes from Farm to YoU NH:

Date/circumstances observed (Pictures)

Control method used, efficacy of control method



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  1. Pingback: Winter Squash | Farm to You NH

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