Rust of the garlic it is a disease which is the causative agent of rust fungi Puccinia alli (synonym Puccinia porni). Also rust impressive onions, leeks, bunching onion.
Bacterial soft rot (so – called wet rot) is a disease that primarily affects the bow but can also develop and garlic. The causative agent of the disease is the bacterium Erwinia carotovora (and several others) that enter the plant through injury.