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In 2020 the Department is conducting over 300 Grains Research trials across the state from Kununurra in the north to Esperance in the south.
Information is provided here to assist management of diseases and viruses that occur in broadacre crops grown in Western Australia - cereals (wheat, barley, oats and triticale), pulses (field pea,
Aphids reduce yields by direct feeding damage which causes flower and pod abortion and occassionally plant death in lupins.
The extent of damage varies between seasons, but losses can be severe in years that favour aphid population development.