Riverine Plains Blog

Posts about:

Pest management

Canola is susceptible to damage by slugs

Understanding your slug risk this season

Key messages

  • seasonal conditions have been conducive to slug survival and population build-up over the past several years
  • slug monitoring should start in the spring prior to sowing canola, to better understand the risk
  • No one method of control is effective in destroying slug populations and growers should consider a range of control strategies as part of an integrated pest management strategy
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Reducing the risk of cereal yield losses from Fusarium crown rot

Key messages:

  • Four consecutive good seasons, along with stubble retention and tight cereal rotations have favoured a build-up of Fusarium crown rot in the Riverine Plains region
  • High levels of Fusarium crown rot can cause significant yield loss, so assess the risk now by sampling last years’ cereal stubble or by using Predicta®B DNA soil testing
  • Integrated management options will reduce the risk of yield loss from Fusarium crown rot and other root diseases
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Optical spray technology: Can it reduce costs & improve spray efficiency?

Key messages

  • optical spray technology can offer dramatic savings in chemical, diesel and labour use
  • green-on-brown (fallow) and green-on-green (in-crop) technologies are proving themselves with Australian farmers and can have a fit for all cropping operations
  • low-cost options are available, with drones also having the capability to map and spray weeds across large areas
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Ryegrass in Barley

Weeds and pre-emergent efficacy: monitor now to maximise control options

Key messages:

  • check the efficacy of your pre-emergent herbicide applications – poor results may mean you need to reconsider your post-emergent spray program or other control options
  • overall herbicide efficacy can be affected by a range of factors including plant stress, moisture and inadequate coverage
  • delays or failures in weed control can be costly, so monitor now to manage the risk

Many Riverine Plains growers are still busy finishing their sowing programs, while also managing time-sensitive issues like slugs. Despite time constraints, it’s important to prioritise weed monitoring, including the effectiveness of pre-emergent herbicide applications, especially in earlier sown crops.

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Protecting your crops from mice damage

Key Messages:

  • Mice and rats have become a more persistent problem over the past few years
  • monitoring is key to understanding the scale of the problem and helps indicate when additional control is required
  • timing mouse bait application is critical to protecting crops when populations are high.

Mice populations have traditionally followed a boom-and-bust type pattern, however over the last decade or so they have become a more persistent problem.

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