LRPB Sonic –

The new wheat in town

From the northern Wheatbelt to the Great Southern, LRPB Sonic is a new quick-maturing variety delivering consistently high yields across Western Australia. Backed by local trial results since 2020, it combines a faster finish with an Australian Hard (AH) classification for premium grain quality. With broad adaptability across soil types and reliable disease resistance, LRPB Sonic is a proven performer for growers looking to optimise performance within a later sowing window.

LRPB Sonic –

The new wheat in town

What makes LRPB Sonic right for your farm?

Yield performance

  • LRPB Sonic is the highest-yielding quick-maturing wheat variety available to WA growers, outperforming other varieties on the market in trials since 2020.
  • It combines early maturity with stable grain production across a wide range of environments.
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Stress & disease tolerance

  • LRPB Sonic offers strong resistance to key Western Australian diseases, including Powdery Mildew, Yellow Leaf Spot and Septoria Nodorum. 
  • It also provides a tolerant rating for acidic soils and aluminium, and moderate tolerance to boron and alkaline conditions.
Thin gray and white diagonal line across a mostly white background with a small black rectangle at the bottom right

Agronomic fit

  • LRPB Sonic is well suited to the second half of the sowing program, maturing 6–9 days faster than typical mid-season varieties. 
  • It establishes quickly and maintains standability, supporting reliable performance in tight rotations and time-sensitive operations.
Thin black diagonal line on a white background with a light gray border at the top left

Grain quality

  • LRPB Sonic is classified as Australian Hard (AH), offering higher protein potential and stronger market value. 
  • Its combination of grain quality and yield performance supports profitable harvest outcomes.
Thin black diagonal line on a white background with a light gray border at the top left

Yield performance

  • LRPB Sonic is the highest-yielding quick-maturing wheat variety available to WA growers, outperforming other varieties on the market in trials since 2020.
  • It combines early maturity with stable grain production across a wide range of environments.

Stress & disease tolerance

  • LRPB Sonic offers strong resistance to key Western Australian diseases, including Powdery Mildew, Yellow Leaf Spot and Septoria Nodorum. 
  • It also provides a tolerant rating for acidic soils and aluminium, and moderate tolerance to boron and alkaline conditions.

Agronomic fit

  • LRPB Sonic is well suited to the second half of the sowing program, maturing 6–9 days faster than typical mid-season varieties. 
  • It establishes quickly and maintains standability, supporting reliable performance in tight rotations and time-sensitive operations.

Grain quality

  • LRPB Sonic is classified as Australian Hard (AH), offering higher protein potential and stronger market value. 
  • Its combination of grain quality and yield performance supports profitable harvest outcomes.

LRPB Sonic

WA NVT Main Season MET Analysis (2020-2024)

GRDC National Variety Trials logo in green with stylized crop rows

Regiment XC in the field

Regiment XC offers reliable, flexible, and high-yield performance across Western and Southern Australia conditions. Hear from growers about why they choose Regiment XC.

Regiment XC in the field today

Regiment XC offers reliable, flexible, and high-yield performance across Western and Southern Australia conditions. Hear from growers about why they choose Regiment XC.

LRPB Sonic

Grain Yield x Plant Population under Irrigated Environments

5 Locations across VIC, NSW & QLD in 2024

Attributes (Disease Resistance) & Ratings

Product Stem Rust Leaf Rust Stripe Rust (Yr) Yellow Spot Powdery Mildew Septoria Tritici WA Nodorum Blotch (Glume) Nodorum Blotch (Leaf) CCN Resistance Crown Rot Black Point Prat.Neglectus - Resistance
LRPB Sonic MSp MRMSp WA: MRp MRMSp MSSp – MSp MRMSp MSp MS(p) Sp –
Attributes Rating
Yield adaptability 1.0 – 4.5 t/ha
Blackleg rating (UCI) R
Blackleg rating (bare) R
Blackleg groups ADFH
Oil potential High – very high
Herbicide tolerance XX + CL
Maturity Early – mid
# Plant vigour 8.5 – 9.0
# Plant height Medium – tall
Growing zones LRZ – HRZ

NVT Disease Ratings May 2025. For latest disease ratings visit the NVT disease rating reporter. Resistance ratings: VS=Very Susceptible, S=Susceptible, MS=Moderately Susceptible, MR=Moderately Resistant, R =Resistant. Tolerance ratings: T=Tolerant, MT=Moderately Tolerant, MI=Moderately Intolerant, I=Intolerant, VI=Very Intolerant. p=preliminary data based on limited data set. #=may be more susceptible to alternative pathotypes. *Indicates LRPB Breeder Rating.

Important note: this is a guide only, to make a fully informed choice, please refer to our Advanta Seeds Pty Ltd specific conditions

Technote and Tools

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Get all the technical detail you need – from planting and population advice to disease resistance and yield performance.

For full disease ratings, please refer to NVT Disease Rating Portal.

Technote and Tools

Get all the technical detail you need – from planting and population advice to disease resistance and yield performance.

For full disease ratings, please refer to NVT Disease Rating Portal.

Sunlit green field with scattered trees under a clear blue sky at sunrise

FAQs for

LRPB Sonic

How does this variety compare to Scepter?

  • In GRDC NVT data across WA, LRPB Sonic has consistently delivered higher yields than Scepter, particularly in mid–low rainfall zones.
  • Maturity is quicker, giving growers greater flexibility to manage frost risk while still matching Scepter for grain quality.

What's LRPB Sonic's protein accumulation like?

  • LRPB Sonic maintains solid protein accumulation relative to yield, helping growers achieve quality targets without sacrificing tonnes.

Is there any difference in performance for different soil types (or abiotic stress)?

  • LRPB Sonic has shown strong adaptability across a range of WA soil types in NVT.
  • Its quicker maturity helps it avoid terminal heat and frost, supporting resilience under abiotic stress conditions.

What's the Powdery Mildew rating?

  • Rated MS (Moderately Susceptible).
  • LRPB Sonic offers good resistance to Powdery Mildew (MSp) giving growers confidence through the season.
  • Advisable to monitor early crop stages and implement proactive fungicide programs where powdery mildew pressure is high.
  • Moderately Susceptible (MS) – Very good level of resistance in the paddock best managed with a proactive fungicide program.

What's harvestability like?

  • LRPB Sonic offers good standability with clean threshing, making it straightforward to harvest.
  • Its quick finish and strong straw reduce harvest delays and lodging risk.
What does CRM mean, and what's the CRM of this hybrid?
What levels of stay green are in this hybrid?
What is the dry down like on this hybrid?
What population should I plant this hybrid at?
Can I use 'IMI' herbicides on this hybrid?
What end uses are applicable for this hybrid?

Want to find out more?

Ask us about how our products can add value to your business and customers.
Hands inspecting golden wheat heads in a sunlit field
Green crop field stretching to distant hills under a clear blue sky

Want to find out more?

Ask us about how our products can add value to your business and customers?