South West

Managing apple scab in Western Australia

Apple scab or black spot is caused by the fungus Venturia inaequalis. Apple scab is a relatively new disease for Western Australia that can have a significant impact on apple production if not managed appropriately.

Bunched kerosene grass (Aristida contorta) in the Western Australian rangelands

Bunched kerosene grass (Aristida contorta) is one of many plant species found in the Western Australian rangelands.

Glaucous star thistle: pest

Glaucous star thistle (Carthamus leucocaulos) is an uncommon weed in Western Australia (WA). This article describes the nature of the plant.

Chinee apple: declared pest

Chinee apple, Indian jujube (Ziziphus mauritiana) is a declared pest in Western Australia (WA). This article describes the nature of the plant with links to requirements land owners/occupiers must adhere to and pest control methods.

European Wasp Surveillance and Eradication Program

The European wasp is considered one of the worst wasps in the world - harmful to people, our outdoor lifestyles and to our horticultural and agricultural industries. DPIRD is the agency responsible for surveillance and eradication of this pest in Western Australia.

Fighting frost damage in cereals

The department is a key partner in the Grains Research and Development Corporations' (GRDC) National Frost Initiative (NFI) which aims to provide the Australian grains industry with targeted research, development and extension solutions to manage the impact of frost and minimise seasonal profit v

Crop weeds: stop weed seed set

Preventing weed seed set provides an opportunity to control weed seed set in the pasture, late fallow, late stubble and in-crop phases.

Crop weeds: Hygiene - prevent weed seed introduction

‘Risk-aware’ growers can implement strategies to reduce and avoid unnecessary introduction and spread of weeds. These strategies will reduce not only the likelihood of introducing new weed species but also the risk of importing herbicide resistant weeds.

Windmill grass

Windmill grass (Chloris truncata) is a native species and is the tenth most common summer weed species in the Western Australian wheatbelt. As a summer weed it hosts pests and diseases and utilises stored soil moisture that would otherwise be available to the following crop.

Annual ryegrass

Annual ryegrass (Lolium rigidum) is one of the most serious and costly weeds of annual winter cropping systems in southern Australia. Annual ryegrass is highly competitive and can compete with a crop as early as the two-leaf crop stage.

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