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Damping-off disease
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Jürgen Kranz, Courtesy of EcoPort, www.ecoport.org
Is this a Minor Pest?
Yes
Minor Pest Title
Damping-off diseases (Pythium spp. Rhizoctonia solani )
Minor Pest Description
The disease is caused by Pythium aphanidermatum, Rhizoctonia solani and Aphanomyces sp. Seeds may rot in the soil before emergence (pre-emergence damping-off) or seedlings may exhibit stem canker above the soil line and/or root necrosis. Affected seedlings eventually wilt (post-emergence damping-off). The disease is favoured by high soil water content and low soil temperatures. Also dense planting without sufficient aeration enhances disease development.
Minor Pest What to do.
- Use disease-free seeds.
- Avoid over watering.
- Avoid dense planting.
Minor Pest Position
7
Minor Pest Firstcontent
169
Pest Type
fungal
Custom1
Common names; Wilt, Damping-off, Seedling blight, Root rot, Rhizoctonia damping-off, Rhizoctonia
Host Plants
Amaranth (Revised)
Minor Pest secondContent
551
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