Nematode-Trapping Fungi by Ke-Qin Zhang, Kevin D. Hyde

By Ke-Qin Zhang, Kevin D. Hyde

These chapters offer up to date details on nematophagous fungi, really these of the Orbiliaceae in Ascomycota, whose asexual states produce nematode-trapping units. The authors examine fungal-nematode interactions, fossil fungi, the biodiversity, ecology and geographical distribution of nematode-trapping fungi, and their strength use in biocontrol of nematodes, all in detail.

Nematode-trapping fungi with adhesive or mechanical hyphal traps are the main target of this ebook which starts off with an outline of the knowledge on nematode-trapping fungi, together with their taxonomy, phylogeny and evolution. next chapters extend upon the equipment and strategies used to review those attention-grabbing fungi. Keys for genera of Arthrobotrys, Drechslerella and Dactylellina, which come with all mentioned species of predatory orbiliaceous fungi are awarded and diverse species from those genera are morphologically defined and illustrated.

The ecology of nematode-trapping fungi is expertly awarded: their incidence and habitats, their geographical and seasonal distribution and the consequences of soil stipulations and nematode density on their distribution all function among the suitable themes.

Further chapters learn using nematode-trapping fungi in organic keep an eye on and the authors give some thought to nematicidal actions intimately, exploring the numerous compounds from fungi that characteristic in nematicidal actions and naturally worthwhile paths for additional examine in this topic.

This is a hugely informative and punctiliously provided booklet, delivering clinical perception for students with an curiosity in fungi and in organic regulate of nematodes.

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Sample text

Heintz (1978) noted that this method resulted in the development of a typical fungal thallus within three days. Numerous methods have been used to transfer conidia to obtain pure cultures of nematophagous species. Shepherd (1955) used a sterile platinum wire while Barron (1977) used a sterile dissecting needle to remove the conidia. However, Gray (1984b) used a single haired sable paint brush to pick off individual conidia. He believed that the single hair is extremely fine, short and flexible, and can be easily directed to particular conidia under 60 × or 100 × magnification.

8 S rDNA and β-tubulin, Li et al. (2005) proposed an emended generic concept for nematode-trapping fungi. Arthrobotrys is characterized by 2 Methodology for Studying Nematophagous Fungi 31 adhesive networks, Dactylellina by adhesive knobs, and Drechslerella by constricting-rings. Phylogenetic placement of taxa characterized by stalked adhesive knobs and nonconstricting rings also is confirmed in Dactylellina. Species that produce unstalked adhesive knobs that grow out to form loops were transferred from Gamsylella to Dactylellina, and those that produce unstalked adhesive knobs that grow out to form networks were transferred from Gamsylella to Arthrobotrys.

A key to the nematode-destroying fungi. Transactions of the British Mycological Society, 47, 61–74 Coolen, W. (1979). Methods for the extraction of Meloidogyne spp. and other nematodes from roots and soil. In F. Lamberti & C. E. ), Root-knot nematodes ( Meloidogyne species).  317–329). New York: Academic Press. , & Gambale, W. (1986). Evaluation of a fluorescent method (fluorescein diacetate and ethidium bromide solution) in the study of the viability Cryptococcus neoformans strains. Mycopathologia, 96, 91–96.

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