The fungus causing foolish seedling disease, was discovered by

The correct option is C a Japanese pathologist
In 1926, Eiichi Kurosawa determined that a chemical released by the bakanae fungus (Fusarium moniliforme = Gibberella fujikuroi) was responsible for the stimulated shoot elongation, inhibited chlorophyll formation, and suppressed root growth characteristic of bakanae. Kurosawa also observed that the compound had the ability to induce other plants to elongate.