question_answer 17)

  Which one of the following is not a fungal disease? (a) Rust of wheat             (b) Smut of bajra              (c) Black rot ofcrucifers  (d) Red rot of sugarcane

Answer:

                  (c) Black rot of crucifers is not a fungal disease. It is caused by a bacteria, Xanthomonascampestris. Other three diseases are caused by fungal infection. Rust of wheat is caused by a fungus, Puccinia, red rot of sugarcane is caused by Colletotrichum falcatum and smut of bajra is caused by tolyposporiumpenicillariae.