Abstract
Abstract Methods of field inoculation of sweet corn (Zea mays L.) with Sphacelotheca reiliana (Kühn) Clinton for head smut resistance tests were evaluated. Application of a mixture of teliospores and slightly dampened vermiculite with the seed by means of a V-belt planter was the best method tested and resulted in a 95% disease incidence in the most susceptible cultivar. Application of this mixture by hand in individual planting holes resulted in greater disease incidence but required much more labor and inoculum.
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