Which of the following disease(s) is/are caused by Pseudomonas fuscovaginae in rice? P. Sheath brown rot Q. Grain rot R. Foot rot

Sheath brown rot disease of rice is caused by Pseudomonas fuscovaginae, symptoms appearing at seedling and later stages include discoloration and rotting of sheath. After transplanting, infected seedlings initially show yellow-brown discolorations on their lower leaf sheaths. Later the discolorations turn gray-brown to dark brown. Ultimately, rot results in death of the infected seedlings.