Induction of sporulation in plant pathogenic fungi

Spore morphologies are a major character in fungal taxonomy, although many isolates are not able to sporulate on common artificial media. This article reviews the effect of nutrition, host tissue, and light on fungal sporulation in artificial media. A trial experiment using 42 strains that failed to...

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Bibliographic Details
Published in:Mycology 2012-09, Vol.3 (3), p.195-200
Main Authors: Su, Yuan-Ying, Qi, Ya-Lin, Cai, Lei
Format: Article
Language:English
Subjects:
Agar
calcium carbonate
conidia
dextrose
fungal spores
Fungi
irradiation
Light effects
mulberries
Nutrition
pine needle medium
plant pathogenic fungi
Radiation
Solanum tuberosum
Spores
Sporulation
sterile
Taxonomy
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Summary:Spore morphologies are a major character in fungal taxonomy, although many isolates are not able to sporulate on common artificial media. This article reviews the effect of nutrition, host tissue, and light on fungal sporulation in artificial media. A trial experiment using 42 strains that failed to sporulate on potato dextrose agar (PDA) and half-strength PDA after 3 months is reported. Five strategies (1/10-strength PDA, CaCO₃ water agar, pine needle medium, mulberry agar, and near-ultraviolet light irradiation) were applied to induce these strains to sporulate, with an overall success rate of 62%. Pine needle medium was the most successful method, which induced sporulation of 40% of recalcitrant strains.
ISSN:2150-1211
2150-1203
2150-1211
DOI:10.1080/21501203.2012.719042