A new technique to monitor conidia of aquatic hyphomycetes in streams using latex-coated slides

Mycology
Sudeep D Ghate, K R Sridhar

Abstract

We examined the pattern of adherence of aquatic hyphomycetes conidia on six latex-coated slides (Artocarpus heterophyllus, A. hirsutus, Calotropis gigantea, Ficus benghalensis, Manilkara zapota and Plumeria rubra) with plain slides (control) exposed up to 18 h in a tropical coastal stream. Conidia of 21 species were trapped on latex-coated slides against seven on control slides. The total conidia adhered on latex-coated slides was higher than control slides. Latex-coated slides showed the highest diversity of aquatic hyphomycetes than control slides (1.805) and water (0.729). The top five species of aquatic hyphomycetes in latex-coated slides and drift conidia were comparable. Sørensen's similarity of species in control slides against latex-coated slides ranged from 25% (P. rubra) to 62.5% (C. gigantea) indicating superiority of latex-coated slides in conidial trapping. Among the latex-coated slides, similarity varied between 13.3% (A. hirsutus vs. P. rubra) and 89.6% (F. benghalensis vs. M. zapota). One-way ANOVA showed significant difference in richness of species (P < 0.001) and conidia (P < 0.05) between control and latex-coated slides by F. benghalensis. Based on the trapping efficiency of species and conidia, the latex of...Continue Reading

References

Dec 14, 2005·Applied and Environmental Microbiology·E Chauvet, K Suberkropp

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