Some resistance is available but susceptibility is still widespread. Use certified seed. Hot water treatment use to be used and this is OK some phytotoxicity. Bunt causes stunting of plants and replaces the endosperm of grain with bunt balls. These are usually called primary sporidia.
Infection can be from the soil or form contaminated seeds.
Grows intercellularly and follows growing point of the plant. Grows into kernels and replaces the endosperm.