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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.
Some aquatic plants used in ponds and aquariums are highly invasive and have become serious weeds in natural waterways.
In an integrated weed management program, control of weeds should occur in the fallow, pre-sowing, early post-emergent and in pasture phases.
Home and commercial gardeners in the South West are reminded to take care with what plants they put in ponds after the serious aquatic weed salvinia was found in a Bunbury garden.
A list containing links to descriptions and chemical controls for declared plants and a calendar of operation for declared and other trouble plants.
High priority invasive species are defined in the Invasive Species Plan for Western Australia as high risk species that can establish widely, and if so cause the most undesirable impact.
Weeds sprayed with a sub-lethal dose of a phenoxy, hormone type herbicide appear to become more palatable to stock.
Weeds sprayed with a sub-lethal dose of a phenoxy, hormone-type herbicide appear to become more palatable to stock.
This page details the conclusions and recommendations from an independent review of the Grains, Seeds and Hay Industry Funding Scheme's Skeleton Weed Program.