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Spray-topping is a very effective method for managing annual grass seed set in pastures.
Pasture manipulation is the application of herbicides for grass control early in the growing season (autumn or early winter).
It is often the preferred option for grass control.
In Western Australia, competition from 7-90 capeweed plants per square metre in a wheat crop can reduce crop yield by 28-44% and net return by 25-76%.
Management of weeds, disease and nitrogen nutrition are ongoing challenges that limit yield potential.
Barley grass is a common name for Hordeum glaucum and H. leporinum.
