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

  • Dull-coloured plants with dying older leaves and aborted flowers

    Spring drought refers to plant water stress from insufficient rainfall or stored soil moisture from bud formation to maturity.

     

  • Slater

    Slaters have only recently become a problem in high rainfall crops sown into dense stubble.

  • Wheatbelt valley secondary salinity

    Salinity affects growth by reducing plant root ability to extract water from the soil, and chloride toxicity.

  • Sterile flowers that lead to pod abortion

    Hot weather at flowering can cause flower and developing pod abortion (called 'tipping'). Water deficient plants are more susceptible.

  • Patchy canola germination restricted to water-gaining places

    Early drought may affect germination and early growth. Water stressed seedlings are more severely affected by other constraints and may have induced nutrient deficiencies.

  • Seedlings have deformed roots and shoots.

    Allelopathy is an uncommon disorder of germinating plants caused by a toxins in the soil that have leached from plant residues.

  • Inspecting lupin roots

    All pulse plants require healthy root systems in order to maximise growth and yield.

  • Smaller less developed tillers on the left

    The ability of a cereal crop to tiller is an indication of the crop’s ability to maximise crop yield. An inadequate number of tillers will limit the number of heads and yield potential.

  • Roots of affected plants are blackened and brittle and break easily, and are black to the core not just on outer surface.

    Plant root diseases are one of the main factors responsible for poor crop yields.

  • Flowering canola paddock

    The time of flowering can be critical in determining final yield in all crops. Frost or hot, dry conditions during flowering in cereal, canola and pulse crops can dramatically reduce yields.

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