Fusarium

Pest: Fusarium (Fusarium oxysporum)

Pest Type: Infectious disease, fungus

Major Identifying Features: Fusarium wilt causes foliage to yellow, curve, wilt, then turn brown and die, symptoms usually first show up on one side of a plant, vascular tissue turns brown (can be seen when stem is cut open)

Life Cycle: Fusarium wilt results from infection through roots by hyphae that germinate from long-lasting survival structures in the soil

Pest Rating: Moderate

Management Rating: Moderate

Host/Season/Outbreak Information: Hosts are a few woody plants, but mostly herbaceous plants

Damage Information: Fusarium will affect few woody ornamental species but can kill certain hosts, including albizia, date, palm, hebe, pyracantha, attack mostly herbaceous plants including aster, carnation, chrysanthemum, dahlia, freesia

Management Options: Prevention by planting resistant species on raised beds, by providing proper sanitation and cultural care, cultural control by pruning out dead wood, by planting plants from different genera, mechanical by proper irriagtion methods, avoid overwatering

Sources:

http://www.ipm.ucanr.edu

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