To develop profitable and sustainable approaches to disease management in HRZ barley.

ï‚· The fungicide treatments were effective in reducing the incidence of foliar disease, however yield responses to fungicide were not significant at this site in 2020.
ï‚· Hv8 Nitro had greater infection of Spot Form Net Blotch (SFNB) than Planet, The addition of the seed treatment Systiva combined with a 2-spray foliar fungicide program reduced the infection levels of SFNB on Nitro. In the absence of a seed treatment the additional fungicide at GS39 had little effect on SNFB control suggest GS31 treatments are more effective.
ï‚· RGT Planet is more susceptible than HV8 Nitro to NFNB, greater control of infection was achieved in Planet with two foliar sprays compared to one application and untreated, while Nitro achieved similar control with one application at GS31. In this season the addition of Systiva as a seed treatment did not further improve control in Planet, or Nitro.
ï‚· Grain quality responses were significant and disease control enabled Planet to achieve malting specification. All fungicide treatments improved test weight by more than 1kg/hl and increased grain plumpness by between 4 – 6% larger.

Rotation position: 1st cereal after canola, 2018 wheat.
Soil type & management: Neutral-slightly alkaline Organosol (Peat soil) – high organic matter (0- 30cm).
Soil Mineral N (0-90cm): 201.86kg/ha on 29 June 2020