Southern blight

Athelia wilt, southern stem blight, southern wilt, white mold

southern blight
southern blight

CLASSIFICATION

Fungi, Agaricomycetes, Atheliaceae, Athelia, Athelia rolfsii

ABOUT

Southern blight is caused by soil-borne fungus Athelia rolfsii, which usually infects lower stems near or at the soil surface and leads to wilting, stem and root rot, discolored leaves, and often results in the death of the plant.

How to treat?

  • microscopeBiological

    • If possible remove and destroy the infected parts of the plant. Burn it or toss it into the garbage. Do not compost.

  • pillChemical

    • If necessary, apply fungicide containing azoxystrobin (GHS06: Toxic, GHS09: Environmental hazard).

    • If necessary, apply fungicide containing pentachloronitrobenzene (GHS07: Harmful, GHS09: Environmental hazard).

    • If necessary, apply fungicide containing tebuconazole (GHS07: Harmful, GHS08: Health hazard, GHS09: Environmental hazard).

  • syringeDisease prevention

    • Use resistant species and cultivars as well as healthy, certified seeds and seedlings. Avoid planting sensitive crops in infested soil.

    • Ensure having good soil drainage to avoid overwatering.

    • Maintain lower pH of the soil - pH around 6.5 prevents rapid fungal growth.

    • Solarize the soil or use fumigants before planting to reduce the infection in the soil.

    • Disinfect tools, infected flower pots, and hands to avoid disease transmission.

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