Fig. 1From: A new and effective method to induce infection of Phyllachora maydis into corn for tar spot studies in controlled environmentsProgression of tar spot symptoms and signs on a single corn (Zea mays L.) leaf from a field-infected plant incubated under greenhouse conditions (Supplementary Table 1). (A). 1 day after collection from the field. (B). 7 days after collection from the field. (C). 13 days after collection from the fieldBack to article page