Clubroot – Nursery Monitoring

Clubroot is the most serious soilborne disease affecting brassicas world wide and is caused by Plasmodiophora brassicae Woronin.

Clubroot is endemic in most Australian production regions with crop losses between 5 and 10%.

Monitor for clubroot in the nursery

FACT
Clubroot can be difficult to detect in the nursery,

however regular routine sampling will
provide
peace of mind

for you and your customers.

Recognising clubroot is the first step in disease prevention :

• Examine seedlings trays at random on a regular basis, increasing in frequency over the summer months.
• Remove 2-3 seedlings from each tray and examine roots for small galls or deformities.
• Train staff to recognise signs of the disease and report it.
• A diagnostic test is now available.

See Also :

Caroline Donald – DPI Victoria (this site)

Acknowlegements:
Financial support for this research has been provided by: Horticulture Australia Limited, the vegetable
growers R&D levy and State Departments of Agriculture.

Thanks to the following growers for their assistance with trial work:

Thanks to the following for their technical assistance on the project:

Statistical advice by Fiona Thomson and Nam Ky Nguyen (Department of Primary Industries, Vic).