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Much of the Western Australia's wheatbelt has experienced a very dry 2018–2019 summer leaving very little stored moisture at present (DPIRD, May seasonal report 2019). Yield potential varies signif
In 2020 the Department is conducting over 300 Grains Research trials across the state from Kununurra in the north to Esperance in the south.
Delayed seeding or emergence will shorten the growing season for wheat, reducing yield potentials.
Cereal smut and bunt diseases are caused by fungi which parasitise the host plant and produce masses of soot-like spores in the leaves, grains or ears.
Wild radish (Raphanus raphanistrum) is highly competitive in crops and can cause a yield loss of 10-90%.
Wheat is highly susceptible to frost damage between ear emergence and flowering – often termed reproductive frost.