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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.
Introducing new plants to an area can have positive and negative effects on the environment, economy and community.
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.
Preventing weed seed set provides an opportunity to control weed seed set in the pasture, late fallow, late stubble and in-crop phases.
This management strategy provides an opportunity to control weed seed set in the pasture and during harvest.
A list containing links to descriptions and chemical controls for declared plants and a calendar of operation for declared and other trouble plants.
Control methods for common sensitive plant (Mimosa pudica) a declared pest in Western Australia.
Control methods for giant sensitive plant (Mimosa diplotricha) a declared pest in Western Australia.