Riverine Plains Blog

Posts about:

Pesticide Resistance

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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Pesticide Resistance – Is It On Your Radar?

Key Points:
  • Use pesticides judiciously to prevent resistance developing 
  • Use a range of strategies to manage pest populations 
  • Consider resistance testing on suspect populations 

While we might defer a lot of our pesticide management decisions to our advisors, as farm business managers (and spray applicators), we ultimately have the final say in what goes onto our paddocks and when.  

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