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An Improved Understanding Of Diplodia Ear Rot In Kentucky Corn, Nolan Ryan Anderson
An Improved Understanding Of Diplodia Ear Rot In Kentucky Corn, Nolan Ryan Anderson
Theses and Dissertations--Plant Pathology
Stenocarpella maydis and Stenocarpella macrospora are both causal agents of Diplodia ear rot (DER) of corn in the U.S. The current prevalence and distribution of each is unknown worldwide. Signs and symptoms of DER include white mold on and between kernels, bleached husks, and pycnidia visible in the cob pith. The term hidden Diplodia describes when no mycelia or bleached husk is present, but pycnidia are still visible inside the cob. This phenomenon is reported to be caused by late infections of Stenocarpella spp. New fungicide nozzle technology has been promoted to increase spray coverage in the lower canopy, which …