Rhizoctonia

Published: 24 Feb 2016

A magazine cover page

Key points

  • Management of Rhizoctonia requires an integrated approach to reduce inoculum and control infection and impact on yield.
  • Rhizoctonia inoculum levels will be greatest following cereals, particularly barley.
  • Grass-free canola is the most effective.
  • But legumes can also help reduce inoculum loading.
  • Disturbance below the seed at sowing promotes rapid root growth away from the Rhizoctonia and disrupts hyphal networks. The ideal depth is 5-10 cm.
  • Fungicides applied through in-furrow liquid banding can provide useful suppression of Rhizoctonia disease.
  • Herbicides that slow root growth can exacerbate the problem.

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Region South, West

Region: South; West