Canker disease in citrus fruits is caused by:

Correct option is C

✅ (c) Bacteria: • Citrus canker is caused by the bacterium Xanthomonas axonopodis pv. citri. • It causes raised lesions on leaves, stems, and fruits with a yellow halo. • Spread through wind-driven rain, insects, and contaminated tools.
❌ (a) Fungi: • Many fruit diseases are fungal, but not citrus canker.
❌ (b) Mycoplasma: • Involved in diseases like little leaf of brinjal, not citrus.
❌ (d) Virus: • Viruses cause diseases like banana bunchy top, not canker.