Mechanical, physical and cultural

Mechanical, physical and cultural control of pests, weeds and diseases (pests) are an integral part of a successful Integrated Pest Management plan.

Cultural controls are practices that reduce pest establishment, reproduction, dispersal, and survival. For example, crop rotation - replacing a susceptible crop with a less susceptible crop; and changing irrigation practices - less watering can reduce root disease and weeds.

Mechanical and physical controls kill a pest directly or make the environment unsuitable for it. For example, traps - for pest animals and insects; mulches - for weed management; steam sterilisation - for soil disease management; or barriers - such as screens or fences to keep animals and insects out.

The Department of Primary Industries and Regional Development:

  • works with landholders and grower/community/biosecurity groups on control
  • provides diagnostic services and information on prevention, management and treatment
  • provides biosecurity measures to prevent introduction, and to eradicate or manage current pests

For advice on control methods search our website or contact our Pest and Disease Information Service (PaDIS).

Articles

  • The Department of Primary Industries and Regional Development (DPIRD) has commenced the extension of the State Barrier Fence eastwards from its current termination point near Ravensthorpe, extendin

  • Western Australia's State Barrier Fence plays an important role in preventing animal pests such as wild dogs from moving into the State's agricultural areas from pastoral areas in the east.

  • Control methods for ragwort (Senecio jacobaea) a declared pest in Western Australia.

  • Control methods for gamba grass (Andropogon gayanus), which is a declared pest in Western Australia.

  • Annual ryegrass (Lolium rigidum) is the main host for the seed-gall nematode Anguina funesta.

  • Integrated weed management (IWM) is a system for managing weeds over the long term, and is particularly useful for managing and minimising herbicide resistance.

  • 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,

  • In Western Australia's Mediterranean-type climate, the survival of pests and diseases over summer is often critical in determining pest outbreaks and disease epidemics in broadacre crops.

  • Doublegee or spiny emex is a significant weed in Western Australia. It is a vigorous annual herb with a strong tap root and a long, fleshy, hairless stem.

  • This management strategy provides an opportunity to control weed seed set in the pasture and during harvest.

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