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In 2022, the department is conducting more than 300 research trials across the state from Kununurra in the north to Esperance in the south.
The term 'residual' applies to a number of herbicides that have a long lasting activity in the soil. These herbicides are often applied directly to the soil prior to planting crops, pre-emergent.
Summer weeds can rob subsequent crops of soil nitrogen and stored soil water. They can also reduce crop emergence by causing physical and/or chemical interference at seeding time.
The Pest and Disease Information Service (PaDIS) provides advisory and identification services on animal and plant pests, weeds and diseases that impact Western Australia's agriculture and food ind
Spray-topping is a very effective method for managing annual grass seed set in pastures.
Spray-topping or pasture topping is the application of a sub-lethal rate of herbicide when grasses are coming into head and flowering.
Testing for herbicide susceptibility allows you to determine what herbicide options are still available to control weeds on your farm.
Pasture manipulation is the application of herbicides for grass control early in the growing season (autumn or early winter).
It is often the preferred option for grass control.
Windmill grass (Chloris truncata) is a native species and is the tenth most common summer weed species in the Western Australian wheatbelt.
‘Risk-aware’ growers can implement strategies to reduce and avoid unnecessary introduction and spread of weeds.