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

  • Root lesion and burrowing nematodes: diagnosis and management

    10 December 2013

    Nematodes can feed on root tissues of a wide range of plant species and lead to root damage which can result in significant crop yield loss.

  • In severe cases whole plants develop white heads after flowering.

    Diagnosing crown rot of cereals

    4 December 2013

    A fungal disease most common in continuous cereal crops, which affects roots and lower stems and is usually not detected until after heading.

  • First signs are dark spots with yellow edges

    Diagnosing spot type net blotch

    21 January 2014

    Spot-type net blotch is a stubble-borne fungal foliar disease occurring more frequently in the medium and high rainfall areas of the West Australian (WA) wheatbelt.

  • Large elongated mid-brown blotches surrounded by a margin of chlorotic tissue

    Diagnosing wirrega blotch

    21 January 2014

    A fungal foliar disease caused by Pyrenophora wirreganensis that primarily infects a range of grasses and can be found on paddock and road verges in spring.

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

    Diagnosing take-all in cereals

    4 December 2013

    A fungal root disease that can cause severe yield losses of wheat and barley especially in medium- to high-rainfall areas.

     

  • Grains are replaced by brown-black balls

    Diagnosing covered smut in barley

    20 January 2014

    A fungal disease affecting seed heads, which can cause yield losses and delivery penalties.

     

  • Light brown pustule on upper leaf surface that darken with age

    Diagnosing barley leaf rust

    20 January 2014

    A fungal leaf disease specific to barley that can spread rapidly within and between crops causing yield losses of up to 45% in susceptible varieties.

     

  • Florets are replaced with a mass of dark brown-black powdery spores that blow away.

    Diagnosing barley loose smut

    20 January 2014

    A fungal disease affecting seed heads, which can cause yield losses and delivery penalties.

     

  • Dark brown spots that elongate and produce dark brown net-type streaks

    Diagnosing net type net blotch

    21 January 2014

    Net-type net blotch is a stubble-borne fungal foliar disease occurring more frequently in the medium and high rainfall areas of the WA wheatbelt. It can reduce grain yield and quality.

  • Roots stunted, short and stubby with few laterals.

    Diagnosing pythium root rot in cereals

    4 December 2013

    A widespread fungal root disease that attacks seedlings but which rarely causes large yield losses.

     

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