Colony appearances of two isolates on PDA-guaiacol, CMC, and CMC Congo red plates. (a) Fusarium sp. NK-NH1 grown on PDA-guaiacol plates for 6 (left) and 12 days (right). (b) Fusarium sp. NK-NH2 grown on PDA-guaiacol plates for 6 (left) and 12 days (right). (c) Isolates grown on CMC plates for 4 days. (d) Isolates grown on CMC Congo red plates for 6 days.