Which of the following is a viral disease in plants?

The correct option is D
Yellow vein mosaic

• Anthrax is a bacterial disease that infects animals and not plants.
• Citrus canker is a bacterial disease caused by Xanthomonas axonopodis and infects citrus plants such as lemon, orange and grapefruit.
• Rust of wheat is a fungal disease caused by Puccinia rust fungus. It infects plants such as wheat, barley, rye.
• Yellow vein mosaic is a viral disease. It infects plant such as okra.