Journal of Biological Control

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Soil samples collected from different regions of Tamil Nadu revealed the occurrence of five different nematode-trapping fungi viz., Arthrobotrys cladodes var. macroides (Drechsler), A. oligospora (Fresinius), Arthrobotrys sp., Dactylella brochopaga (Drechsler) and Dactylaria thaumasia (Drechsler). An in vitro test against Ditylenchus phyllobia (Thorne) Filipjev indicated that both the species of Arthrobotrys were spontaneous trap formers, while D. brochopaga and D. thaumasia were induced trap former. Arthrobotrys cladodes var. macroides was the most prolific trap former followed by A. oligospora. Among the five fungi, A. cladodes var. macroides was widely prevalent in gardenland soils and most efficient predator compared to A. oligospora, D. brochopaga and D. thaumasia.

Keywords

Ditylenchus phyllobia, Nematophagous Fungi, Occurrence, Predaceous Activity.
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