Submitted to: Phytopathology
Publication Type: Abstract Only
Publication Acceptance Date: June 1, 2003
Publication Date: June 1, 2003
Citation: Meyer, S.L., Carta, L.K., Rehner, S.A. 2003. A new species of moniliales infesting meloidogyne arenaria. Phytopathology 93(6)(Supplement): S61.
Technical Abstract:
A nematode-trapping fungus was isolated from cultures of the plant-parasitic nematode Meloidogyne arenaria. The nematode cultures had been maintained on tomato plants in the Beltsville, Maryland, Nematology Laboratory greenhouse, and the M. arenaria population numbers in the pots were lower than expected. Consequently, fungi were isolated from the suppressed nematode population. Fungal isolations from second-stage juveniles containing chlamydospores yielded a new species in the Moniliales. The new species produces smooth-walled chlamydospores, stalked adhesive pads, and anastomosing, non-constricting hyphal rings. Conidia are borne on unbranched conidiophores; the conidia each have 3 to 5 septa, and are asymmetrical and spindle-shaped, with one end mamilliform to elongated-conoid and the other end rounded to conoid. Morphological and ITSrDNA comparisons with published species descriptions indicate that this is a previously undescribed species.
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