Correct option is D
✅ Correct option: (d) Ephelis oryzae
· Udbatta disease (also called “broom stick” disease of rice) is caused by
Ephelis oryzae (also known as
Balansia oryzae).
· It produces
straight, stiff, broom-like panicles covered with fungal growth.
❌ Other options:
· (a)
Trichoconis padwickii – Causes leaf scald disease in rice.
· (b)
Entyloma oryzae – Causes rice smut.
· (c)
Xanthomonas oryzae – Causes bacterial leaf blight (BLB) of rice.