Bekanae disease was due to

(a) Fungi toxin  

(b) Growth homones released by fungal infection 

(c) Inadequate nutrients 

(d) Change in photoperiods 

Answer.

(b) Bakane disease of rice is caused by Fusarium moniliforme. The perfect stage of this fungus is Gibberella fujikuroi (ascomycete). Gibberella produces the plant hormone gibberellin.