Vegetable seed treatments

Page last updated: Wednesday, 9 July 2014 - 9:34am

Please note: This content may be out of date and is currently under review.

The treatment of vegetable seeds prior to planting can help control seed-borne diseases. Control of these diseases is necessary to prevent reduction in the crop yield. Some seeds are treated by suppliers or commercial nurseries prior to seeding of transplanted crops or before sale to growers for direct-sown crops.


Seed can be treated to kill disease-causing organisms in or on the seed and to protect the seed when it is planted. Hot water treatment can kill a wide range of bacteria, fungi and viruses in or on the seed of many crops.

Fungicide dusts and coatings can protect seed from soil-borne organisms and are sometimes used to control organisms on or in the seed. For particular pest problems, insecticide treatments can be used.

Seed treatments are an important means of controlling disease but are most effective when combined with other disease control practices.

Contact information

Pest and Disease Information Service (PaDIS)
+61 (0)8 9368 3080


Rachel Lancaster