Fusarium oxysporum
Fusarium oxysporum | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Fusarium oxysporum in a petri dish |
||||||||||||
Systematics | ||||||||||||
|
||||||||||||
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
- ↑ Agent Green - Bioweapons in the Drug War. The Sunshine Project, April 2006, accessed December 23, 2009 .