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In 2021 the Department is conducting over 300 research trials across the state from Kununurra in the north to Esperance in the south.
The most accurate way to estimate the weed population of a paddock is to count the number of plants in an area of known size at a number of locations.
Silver grass is an annual grass occurring in both cropping and grazing regions across Australia. There are several species, the most common being Vulpia myuros and V. bromoides.
In-crop weed competition causes losses costing around $1 billion per annum for Western Australia.