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Every year, at the end of July/beginning of August, volunteer farmers, agronomists and Department of Primary Industries and Regional Development (DPIRD) staff commence weekly pheromone trapping for
In 2022, the department is conducting more than 300 research trials across the state from Kununurra in the north to Esperance in the south.
An opportunistic weed time of removal trial was implemented in Jerramungup following 66mm in February 2017.