Fusarium oxysporum

Fusarium oxysporum
Fusarium oxysporum in a petri dish
Systematics
Class : Sordariomycetes Subclass : Hypocreomycetidae Order : Crust ball mushrooms (Hypocreales) Family : Pustel mushroom relatives (Nectriaceae) Genre : Fusarium Type : Fusarium oxysporum
Scientific name
Fusarium oxysporum
Bad.

Fusarium oxysporum is a species of mold from the genus Fusarium . The species is a feared plant pathogen and can cause fusariosis or Fusarium wilt. The species was researched by the US Department of Agriculture for its usefulness as a biological weapon under the name Agent Green .

description

The spore carriers are short, poorly developed and branched or unbranched. They stand together on stroma of purple-pink color in thick cushions. The macroconidia are sickle-shaped and 2- to 6-celled. They are between 13 and 45 micrometers long and 3 to 4 micrometers wide. Sometimes there are small microconidia and thick-walled permanent spores .

distribution

Fusarium oxysporum is a cosmopolitan and affects a wide range of host plants.

Systematics

The species Fusarium oxysporum is divided into a variety of forms according to their host plants .

A few examples are:

• Fusarium oxysporum f. sp. betae attacks beets
• Fusarium oxysporum f. sp. cubense attacks bananas ( Musa spp.)
• Fusarium oxysporum f. sp. lilii attacks lilies
• Fusarium oxysporum f. sp. lini attacks flax
• Fusarium oxysporum f. sp. lycopersici attacks tomatoes
• Fusarium oxysporum f. sp. narcissi attacks daffodils

literature

• Norman Borlaug : Variation and Variability in Fusarium Lini . Diss., University of Minnesota, Minneapolis 1941.
• Rudolf Schubert (Ed.): Exkursionsflora von Deutschland / greeted by Werner Rothmaler. Volume 1 Lower Plants . 3. Edition. Spectrum, Heidelberg 2000, ISBN 3-8274-0655-2 , p. 296 .

Individual evidence

1. ↑ Agent Green - Bioweapons in the Drug War. The Sunshine Project, April 2006, accessed December 23, 2009 . 

Web links

Commons : Fusarium oxysporum  - album with pictures, videos and audio files