What is it all about?

This project is developing and testing UV‑C light technology as a new way to manage powdery mildew in strawberries, capsicums, high‑value cucurbits and table grapes. 

Powdery mildew is difficult to control due to limited fungicide options and growing resistance. UV‑C treatment has shown similar effectiveness to fungicides overseas and could provide growers with a practical, non‑chemical control option.

The research is validating how UV‑C works under Australian conditions. Trials are being carried out in glasshouses and in the field to determine the most effective UV‑C doses, treatment timing and application methods for different crops. The work includes testing both a tractor‑pulled UV‑C unit and a robotic, autonomous system designed for night‑time operation to maximise disease control and minimise plant stress.

The project also investigates how UV‑C affects powdery mildew biology and plant responses, helping refine treatment strategies that reduce disease while avoiding crop damage. Findings will be shared through grower articles, fact sheets, workshops, demonstrations and field days.

The expected outcome is improved disease management with reduced reliance on fungicides, lower crop losses, and more sustainable production systems across the berry, vegetable and table grape industries.