Related Clues:

• Cereal killer?
• Fungal disease of cereals
• Cereal-eating fungi
• Fungus disease of rye
• Rye grass disease
• Field fungus
• A bit of work, returning to problem with grass
• Rye-disease fungus
• Fungal infection acquired after ear's been cleared out
• A bit of work, getting back to problem with cereal
• An edible mushroom
• Develops rapidly
• Fungus turning to ashy colour's not unknown
• One across disease of rye
• Rye fungal disease