Identify the true statement (s). P. Phony disease of peach is caused by the bacteria Xanthomonas arboricola. Q. Brown spot and blight diseases in pea are caused by Pseudomonas syringae. R. Erwinia carotovora causes soft rot disease in pineapple.

P. The causative bacterial pathogen for phony disease of peach is Xylella fastidiosa. Yellow spot disease is caused by the bacteria Xanthomonas arboricola in peach. Q. Pseudomonas syringae causes brown spot and blight diseases in pea.
R. Soft rot disease of pineapple is caused by the bacteria Erwinia carotovora. Hence, both statements. Q and R, are true.