Heterocaryotic Nature of Ring Formation in the Predaceous Fungus Dactylella doedycoides

Abstract
Morphologically indistinguishable conidia of the predaceous nematode-attacking hyphomycete Dactylella doedycoides Drechsler vary in their ability to produce constricting rings, depending upon their heterocaryotic state. Three types are noted: those producing rings with or without stimulation, those never producing rings, and a mixed or wild type, made up of a mixture of the first two types.

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