![Onion white rot recognize damage by onion white rot](https://www.plantenplagen.nl/wp-content/uploads/Witrot_ui-468x500.jpg)
On
Leaves yellow and thick, woolly fungal fluff develops on the roots and bulb. The oldest leaves fall off. Black fungal spots (sclerotia) develop on the affected parts, which cause further spread of the fungus. Spores are often present in large quantities in the soil and sometimes survive there for years.
On
Where to find
- Allium family
- Chives
- Garlic
- Leeks
- Onion
Control
Damage to plants is irreversible. Removal of infested plants can prevent further spread in the environment. Not suitable for the compost pile.
Professional agriculture is experimenting with chemical control and biological control and breeding resistant species.
Prevention
Do not plant chives, garlic, leeks or onions on infected plots.