Citrus canker is caused by a __________.

Q. Citrus canker is caused by a ____________.

Q. Citrus canker is caused by

Q. Citrus canker is a plant disease caused by a microorganism which belongs to group 'X'. The other microorganism of this group are responsible for causing human disease like

Q.

Name the causative micro-organisms of the following plant diseases :

(a) Rust of wheat (b) Citrus canker (c) Yellow vein mosaic of bhindi (Okra)

Q. is a disease caused in citrus plants by Xanthomonas axonopodis.