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Introducing new plants to an area can have positive and negative effects on the environment, economy and community.
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.
In an integrated weed management program, control of weeds should occur in the fallow, pre-sowing, early post-emergent and in pasture phases.
Some aquatic plants used in ponds and aquariums are highly invasive and have become serious weeds in natural waterways.
This page lists species commonly found on or near saline land in southern Western Australia. These species can be used as indicators of the level of salinity and waterlogging on the site.
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.
Various diseases can damage native plants at all stages of growth. A description of some of the more important diseases is given here, together with general methods for control.
Following the extended dry conditions this autumn, weeds are now emerging and becoming a challenge for growers to manage in paddocks that may have patchy crops, crops with staggered emergence or no
Weeds sprayed with a sub-lethal dose of a phenoxy, hormone type herbicide appear to become more palatable to stock.
Recommendations for the control of declared plants in Western Australia (WA).