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Fusarium Wilt

Fusarium oxysporum

Fusarium Wilt

Fusarium oxysporum a fungal plant pathogen
Fusarium Wilt is a fungal wilt disease that blocks the vascular tissues in plants and causes the fleshy growth to wilt and die.
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Identification

Fusarium Wilt is hard to distinguish from other wilt diseases as it generally produces symptoms such as wilting, chlorosis, necrosis, premature leaf drop, browning of the vascular system, stunting and damping-off. It is a soil-borne pathogen and so will transfer from crop to crop if they are planted in the same place which can be a factor in discerning the cause of the wilt.

Growth factors

Prefers moist soils and high temperatures but can survive in both arctic and desert conditions

Symptoms

Wilting of leaves
Death of top-growth

Biological treatment

Streptomyces griseoviridis is a bacteria that is used in some treatments for this disease. However, field treatments of this fungi are less effective than glasshouse treatment

Chemical treatment

There are chemical fungicides that can be used to treat the soil to kill any overwintering fungi.

Prevention

Buying and using clean seeds that are disease free. Maintaining good soil health. Planting resistant cultivars.

Affected plants

Some red Solanum lycopersicum tomatoes in a garden

Tomato

Solanum lycopersicum

Tobacco Plant

Nicotiana spp.

Broad Bean

Vicia faba 'Bunyards Exhibition'

A cucumber resting on soil surrounded by green leaves and stems

Cucumber

Cucumis sativus

A close up of a white purple Ipomoea batatas flower on a plant

Sweet Potato

Ipomoea batatas

A green Musa acuminata plant in a garden

Banana

Musa acuminata

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