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Updated: Feb 2, 2026
11:48
A Contrast of Three Inoculation Techniques used to Determine the Race of Unknown Fusarium oxysporum f.sp. niveum Isolates
Published on: October 28, 2021
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Current Status of Fusarium oxysporum Formae Speciales and Races
1Agroécologie, AgroSup Dijon, INRA, University of Bourgogne Franche-Comté, F-21000 Dijon, France.
Phytopathology
|November 22, 2018
Summary
Fusarium oxysporum causes significant crop losses. This review details its formae speciales and races, updating knowledge on host ranges and identifying new susceptible plants.
Area of Science:
- Plant Pathology
- Mycology
- Agricultural Science
Background:
- Fusarium oxysporum species complex comprises pathogenic and nonpathogenic strains found in soils.
- F. oxysporum is a significant plant pathogen causing economic losses due to its broad host range.
- Pathogenic strains exhibit narrow host specificity, leading to the classification of formae speciales and races.
Purpose of the Study:
- To provide a comprehensive review of Fusarium oxysporum formae speciales and races.
- To update current knowledge on the host ranges and races of F. oxysporum.
- To identify plant species/genera susceptible to F. oxysporum lacking characterized forma specialis.
Main Methods:
- Comprehensive literature search on F. oxysporum formae speciales and races.
- Systematic recording and categorization of documented and insufficiently documented formae speciales.
- Compilation of information on races, host ranges, and susceptible plant species/genera.
Main Results:
- 106 well-characterized F. oxysporum formae speciales and 37 insufficiently documented ones were recorded.
- Updated information on races and host ranges was compiled.
- 58 plant species/genera susceptible to F. oxysporum without a characterized forma specialis were identified.
Conclusions:
- The study provides an updated overview of F. oxysporum formae speciales and races.
- Significant expansion in known host ranges and identification of new formae speciales and races since 1981.
- The review highlights issues in the current nomenclature and description of F. oxysporum formae speciales and races.
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