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Filtering by: Publisher American Pomological Society File Format pdf License Public Domain Mark 1.0

Afternoon Ascospore Release in Claviceps purpurea Optimizes Perennial Ryegrass Infection

Creator:

Alderman, Stephen C., Walenta, Darrin L., Hamm, Philip B., Martin, Ruth C., Dung, Jeremiah, and Kosman, Evsey

Abstract:

In Kentucky bluegrass (Poa pratensis), Claviceps purpurea, the causal agent of ergot, typically releases ascospores during the early-morning hours, between about midnight and 10:00 A.M., corresponding to time of flowering, when the unfertilized ovaries are most susceptible to infection. During aeromycology studies of C. purpurea in perennial ryegrass (Lolium perenne)...

Resource Type:

Article