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'Crop-topping' is the late application of herbicides to prevent weed seed-set.
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.
The Pome and Summer Fruit Orchard Spray Guide 2020-21 provides information on chemical products, both registered and those as minor use permits, to control insect, mite and mollusc pests, diseases
Brome grasses (Bromus spp.) are highly competitive weeds, most problematic in wheat crops.
Hyssop loosestrife (Lythrum hyssopifolia) is a widely distributed weed in the south west of Western Australia.
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 interfence at seeding time.
Control methods for serrated tussock (Nassella trichotoma) a declared pest in Western Australia. Report the presence of this organism before undertaking a control measure.
This article provides information on aquatic weeds that are declared plants in Western Australia. Prevention is the cheaper option!
This article contains useful information about variegated thistle (Silybum marianum) and how to identify it.