- Sheath blight: Caused by fungus Rhizoctonia solani.
- Bacterial blight- caused by Xanthomonas oryzae pv. oryzae (Xoo)
- Brown Spot: One of the most common and most damaging fungal diseases.
- Tungro: Caused by the combination of two viruses, which are transmitted by leafhoppers.
- Bakanae: Seedborne fungal disease.
- Blast (node and neck): Caused by the fungus Magnaporthe oryzae.