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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 interfence 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.
Now is the optimum time for Grainbelt landholders to survey their properties for the declared pest, skeleton weed.
This page details the conclusions and recommendations from an independent review of the Grains, Seeds and Hay Industry Funding Scheme's Skeleton Weed Program.
A list containing links to descriptions and chemical controls for declared plants and a calendar of operation for declared and other trouble plants.
‘Risk-aware’ growers can implement strategies to reduce and avoid unnecessary introduction and spread of weeds.
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.
Introducing new plants to an area can have positive and negative effects on the environment, economy and community.