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.

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Articles

  • Reduced and delayed emergence

    Diagnosing group D herbicide damage in field peas

    23 April 2015

    These are pre-emergent herbicides for the control of grasses and some broadleaf weeds in crops. Group D herbicide damage in field peas is rare.

  • Metribuzin damage. Typically scorched ends/edges of older leaves and tendrils

    Diagnosing group C herbicide damage in field peas

    23 April 2015

    This category contains root pre-emergent Group C herbicides such as simazine and metribuzin that are routinely used in lupins, but damage field peas.

  • Affected plants are stunted with reduced root systems

    Diagnosing group B herbicide damage in field peas

    23 April 2015

    Sulfonlyureas, imidazolamines and sulfonamides are systemic herbicides that are used for pre and/or post emergent grass and/or broadleaf weed control in cereals and are mostly highly toxic to peas.

  • The first sign is yellowing/ reddening and sometimes interveinal chlorosis of new growth

    Diagnosing glyphosate damage in field peas

    23 April 2015

    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.

  • Fluffy mouse-grey spore masses on the leaf underside

    Diagnosing downy mildew in field peas

    23 April 2015

    Low levels of downy mildew Perenospora viciae are sometimes noticed in field pea crops late in winter, but crops usually grow away from it during the longer warmer spring days.

  • Leaf spots that turn yellowish and later brown and papery

    Diagnosing bacterial blight in field peas

    23 April 2015

    Bacterial Blight (Pseudomonas syringae pv.pisi) is rarely seen in Western Australia.

  • Green peach aphid (top), bluegreen aphid (centre), cowpea aphid (below)

    Diagnosing aphid damage in field peas

    23 April 2015

    Small soft-bodied winged or wingless insects that damage field peas grown in Western Australia  through transmission of viruses rather than direct feeding damage.  Main species are pea aphid (A

  • Mild chlorosis and mosaic vein clearings: PSbMV

    Diagnosing virus damage in field peas

    24 April 2015

    It can be difficult to distinguish plant disease symptoms caused by viruses in pea plants, as viral foliage symptoms are often similar to those caused by nutritional deficiencies, herbicide damage

  • Stunted plants in distinct patches

    Diagnosing rhizoctonia bare patch in grain legumes

    19 January 2015

    Rhizoctonia bare patch ( Rhizoctonia solani ) occurs on most soil types throughout the wheatbelt and causes similar patches in all crop and pasture species.

  • Vegetable weevil (top), desiantha weevil

    Diagnosing weevils in lupins and field peas

    19 January 2015

    Weevils are beetles with long snouts that can  rarely damage lupins in high rainfall areas. Species include:

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