Crops

The Department of Primary Industries and Regional Development continues to support the growth and international competitiveness of all crop industries in Western Australia.

With a 2400 kilometre span from its tropical north to its temperate south, WA supports a broad range of cropping industries from rain-fed winter cereals through to irrigated horticultural crops.

In the 2012/13 year the WA cropping industries exported a total of $3.9 billion which comprised: $3.1 billion of cereals, $859 million of pulses, pastures and oilseeds, $142 million of horticultural crops. The major contributors to these exports were wheat ($2.7 billion), canola ($756 million), barley ($377 million), lupins ($42 million), carrots at $48 million, oats ($12 million), and strawberries at $5.5 million.

Articles

  • First sign is new growth yellowing

    Glyphosate is a systemic knockdown herbicide that is used extensively for brown fallow, summer weed or pre-seeding weed control, or selective weed control in glyphosate resistant crops.

  • The pattern of damage reflects spray coverage

    This includes herbicides from a range of chemical groups that require uniform spray coverage to be fully effective.

     

  • Blotches can vary from white / yellow to mauve / red

    Group F herbicides are registered for selective control of wild radish, wild mustard and wild turnip control in cereals, legume crops and legume pastures.

  • Leaf symptoms occur when the seedling emerges but roots remain normal

    This category contains root pre-emergent Group C herbicides.  Post-emergent use in cereals are simazine (silver grass control), and diuron+MCPA (broadleaf weed control).

  • Normally plants wilt, twist, become discoloured and then die

    Glyphosate is a systemic knockdown herbicide that is used for brown fallow, summer weed or pre-seeding weed control, or selective weed control in glyphosate-resistant crops.

  • Burst coleoptile in metalochlor damaged wheat

    This pre-emergent herbicide group is used to control annual grasses and broadleaf weeds. It is applied to the soil either before or directly after sowing and prior to weed emergence.

  • Leaf necrosis moves from leaf edges to veins

    A range of group C herbicides are registered for use in triazine tolerant (TT) varieties, but other varieties are susceptible to both pre and post emergent applications.

     

  • Emerging leaves are distorted and discoloured; leaf blades become cupped and crinkly

    Glyphosate is a systemic knockdown herbicide that is used extensively for brown fallow, summer weed or pre-seeding weed control, or selective weed control in glyphosate resistant crops.

  • Uniformly affected plants with pale leaf blotches

    Group F herbicides are registered for selective control of wild radish, wild mustard and wild turnip in cereals, legume crops and legume pastures. Canola is less affected than brassica weeds