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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

Creator:: Kaur, Navneet, Dung, Jeremiah K. S., Cating, Robert A., Alderman, Stephen C., Walenta, Darrin L., Rondon, Silvia I., and Hamm, Philip B.
Resource Type:: Conference Proceeding
Full Text:: K.S. Dung2, Robert A. Cating1, Stephen C. Alderman3, Darrin L. Walenta4, Silvia I. Rondon and Philip

Creator:: Dung, Jeremiah K. S., Alderman, Stephen C., Walenta, Darrin L., Hamm, Philip B., and Alderman, Stephen C.
Abstract:: Ergot, caused by Claviceps purpurea, is a major disease of perennial ryegrass grown for seed in eastern Oregon. The objective of this research was to quantify and describe the spatial patterns of ergot severity in each of three 50-ha commercial fields of perennial ryegrass grown for seed in 2012 and...
Resource Type:: Article
Full Text:: Soil Science, Union County Extension Center, LaGrande, OR; and Philip B. Hamm, Department of Botany and

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)...
Full Text:: County Extension Service, La Grande 97850; Philip B. Hamm,Department of Botany and Plant Pathology

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)...

ScholarsArchive@OSU