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The Fusarium Laboratory Manual

The Fusarium Laboratory Manual

John F. Leslie , Brett A. Summerell , Suzanne Bullock (Illustrator)

ISBN: 978-0-813-81919-8

Jul 2006, Wiley-Blackwell

388 pages

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For the first time in over 20 years, a comprehensive collection of photographs and descriptions of species in the fungal genus Fusarium is available. This laboratory manual provides an overview of the biology of Fusarium and the techniques involved in the isolation, identification and characterization of individual species and the populations in which they occur. It is the first time that genetic, morphological and molecular approaches have been incorporated into a volume devoted to Fusarium identification. The authors include descriptions of species, both new and old, and provide protocols for genetic, morphological and molecular identification techniques.

The Fusarium Laboratory Manual also includes some of the evolutionary biology and population genetics thinking that has begun to inform the understanding of agriculturally important fungal pathogens. In addition to practical “how-to” protocols it also provides guidance in formulating questions and obtaining answers about this very important group of fungi. The need for as many different techniques as possible to be used in the identification and characterization process has never been greater. These approaches have applications to fungi other than those in the genus Fusarium. This volume presents an introduction to the genus Fusarium, the toxins these fungi produce and the diseases they can cause.

“The Fusarium Laboratory Manual is a milestone in the study of the genus Fusarium and will help bridge the gap between morphological and phylogenetic taxonomy. It will be used by everybody dealing with Fusarium in the Third Millenium.”
--W.F.O. Marasas, Medical Research Council, South Africa



1. Introduction.

Techniques and Methods.

2. Media – Recipes and Preparation.

2.1 Media for Growing and Identifying Fusarium.

2.2 Supplementary Identification Media.

2.3 Media for Isolating Fusarium.

2.4 Media for the Preparation of Natural Inocula.

2.5 Synthetic and Semi-synthetic Media.

2.6 Media for Sexual Crosses.

2.7 Sterilization of Media and Materials.

3. Techniques for Recovering Fusarium.

3.1 Collecting strategy(ies).

3.2 Isolation Techniques – Plants.

3.3 Isolation Techniques – Soil.

3.4 Isolation Techniques – Spore Trapping and Air Sampling.

3.5 Seed Disinfestation.

4. Techniques for Growing and Maintaining Fusarium.

4.1 Vegetative Propagation.

4.2 Preparing Cultures for Identification.

4.3 Single Spore Subcultures.

4.4 Mutagenesis.

4.5 Culture Preservation.

5. Vegetative Compatibility Groups (VCGs).

5.1 History of and Genetic Basis Underlying Vegetative Compatibility.

5.2 Overall Strategy for Determining if Strains are Vegetatively Compatible.

5.3 Recovering and Identifying nit Mutants.

5.4 Typical Pairing Protocols.

5.5 Common Trouble Spots – HSI, crn, and NitMs.

5.6 Characterizing a Population with VCGs.

6. Fertility Concepts.

6.1 Heterothallic, Homothallic and Pseudohomothallic.

6.2 Mating Type.

6.3 Population Effects of Mating Type.

6.4 Male, Female, and Hermaphrodite.

6.5 Crossing Protocols.

6.6 Developing Female-Fertile Tester Strains.

6.7 Species Identification Through Sexual Crosses.

7. Nucleic Acid Analyses.

7.1 DNA Extraction and Purification.

7.2 PCR – Mating-Type Alleles.

7.3 Amplified Fragment Length Polymorphisms (AFLPs).

7.4 Sequence Analysis and Sequenced Loci.

7.5 Genetic Maps.

Taxonomy and Identification of Fusarium.

8. A Brief History of Fusarium Taxonomy.

9. Species Concepts in Fusarium.

9.1 Generic Problems in Speciation in Fusarium.

9.2 Morphological Species Concepts.

9.3 Biological Species Concepts.

9.4 Phylogenetic Species Concepts.

9.5 How Many Strains Make a Species?.

9.6 Species Names.

9.7 Subspecific Terminology.

9.8 A Species Concept for Fusarium.

10. Teleomorphs of Fusarium.

10.1 Taxonomy of Teleomorphs.

10.2 General Teleomorph Characters.

10.3 Sexual Development and Differentiation.

10.4 Spore Killer.

10.5 Anamorph-Teleomorph Connections.

11. Practical Approaches to Identification.

11.1 Overall Identification Strategy.

11.2 The Diseased Plant and Its Geographic Origin.

11.3 Native and Agricultural Populations.

11.4 Culture Preparation.

11.5 The Essence of Morphological Identifications.

11.6 Beyond Morphology – Sexual Cross Fertility.

11.7 Beyond Morphology – Molecular Diagnostics.

11.8 The Special Case of Fusarium oxysporum.

11.9 Differences Between Temperate and Tropical Regions.

11.10 Conclusions.

Species Descriptions.

12. Morphological Characters.

12.1 Macroconidia.

12.2 Microconidia.

12.3 Chlamydospores.

12.4 Other Characters.

12.5 Secondary Characters.

13. Species Descriptions.

F. acuminatum.

F. acutatum.

F. andiyazi.

F. anthophilum.

F. armeniacum.

F. avenaceum.

F. aywerte.

F. babinda.

F. begoniae.

F. beomiforme.

F. brevicatenulatum.

F. bulbicola.

F. camptoceras.

F. chlamydosporum.

F. circinatum.

F. compactum.

F. concentricum.

F. crookwellense (F. cerealis).

F. culmorum.

F. decemcellulare.

F. denticulatum.

F. dimerum.

F. dlamini.

F. equiseti.

F. foetens.

F. fujikuroi.

F. globosum.

F. graminearum.

F. guttiforme.

F. heterosporum.

F. hostae.

F. konzum.

F. lactis.

F. lateritium.

F. longipes.

F. mangiferae.

F. merismoides.

F. miscanthi.

F. musarum.

F. napiforme.

F. nelsonii.

F. nisikadoi.

F. nurragi.

F. nygamai.

F. oxysporum.

F. phyllophilum.

F. poae.

F. polyphialidicum.

F. proliferatum.

F. pseudoanthophilum.

F. pseudocircinatum.

F. pseudograminearum.

F. pseudonygamai.

F. ramigenum.

F. redolens.

F. sacchari.

F. sambucinum.

F. scirpi.

F. semitectum (F. incarnatum).

F. solani.

F. sporotrichioides.

F. sterilihyphosum.

F. subglutinans.

F. succisae.

F. thapsinum.

F. torulosum.

F. tricinctum.

F. udum.

F. venenatum.

F. verticillioides.



“The Fusarium Laboratory Manual is a milestone in the study of the genus Fusarium and will help bridge the gap between morphological and phylogenetic taxonomy. It will be used by everybody dealing with Fusarium in the Third Millenium.”
--W.F.O. Marasas, Medical Research Council, South Africa

  • A comprehensive collection of photographs and descriptions of the fungal genus Fusarium
  • Incorporates morphological and molecular approaches to Fusarium identification
  • Provides an overview of the biology of Fusarium, including new species and the techniques involved in the isolation and identification of individual species