• Long season, high yielding biscuit wheat
• Well suited to Canterbury biscuit wheat growing regions
• Excellent disease resistance
• Good biscuit flour qualities


INFERNO is a high yielding biscuit and feed wheat cultivar bred by Limagrain UK and further developed by PGG Wrightson Grain (PGW Grain). It has slow development, producing large leaves and ears. INFERNO achieves its full yield potential where the crop is sown early and/or highly irrigated and when there is a long finish.


Under suitable management, INFERNO has a very high yield potential and on average it has performed favourably in comparison with other biscuit wheat options in Canterbury in both PGW and CPT trials. To achieve the best yield an early sowing date, reduced sowing rate and a robust PGR programme is highly recommended. Under such regimes farmers have reported yields in excess of 16 t/ha.
CPT INFERNO grain quality (4 year mean) Lower North Island
Test weight (kg/hl) 67 73 74
Screenings (%) 3.0 1.2 1.6
Kernel weight
(1000 seed weight)
37 48 47
Protein content (%) 10.6 10.0 9.4
Falling number (sec) 276 261 262

In official FAR CPT sprouting nurseries INFERNO has been assigned a low to moderate risk of sprout damage. However it may have low falling numbers due to other environmental conditions. Crops intended for milling should be harvested promptly to reduce the risk of reduction in falling number and marketability.

Time of Drilling

As a slow developing winter wheat the highest yield potential of INFERNO will be best achieved from early plantings before mid April. Other varieties (Ignite and Starfire) will be better choices for a later sowing date.

Speed of Development

Month planted Typical heading dates (Canterbury)
Mid March Early - Mid November
Mid April

Mid November

INFERNO is a late maturing cultivar at harvest.

Seed Rate and Tillering Characteristics

NFERNO has a good tillering capacity. Crops should be established at around 100 plants/m2, or slightly lower if sown in March. For other sowings target plant populations should be at the lower end of the ranges in the PGW Grain wheat seed rate guidelines (pg 5).

Soil Type, Rotation and Geography

INFERNO has slow development and a long grain fill time so will need a well irrigated or good rainfall site to reach its full yield potential. It should not be grown as a second year wheat.

Disease Resistance

INFERNO has a good disease resistance profile, being moderately resistant to leaf rust and mostly resistant to powdery mildew and Septoria. Considering this disease profile, INFERNO can be grown with a reduced fungicide programme as long as the crop is monitored regularly for disease race changes. If being grown for extreme yields then a more robust fungicide programme is advised. Please contact your local PGW Representative for site specific recommendations.

Disease resistance results:

Disease Disease nursery ratings CPT Autumn sown cultivar ratings
Stripe rust 7 Moderately susceptible*
Leaf rust 6 Moderately resistant
Septoria leaf blotch 7 Mostly resistant
Powdery mildew 8 Mostly resistant
Fusarium head blight n/a Intermediate resistance
BYDV n/a Moderately susceptible

* resistance is affected by pathogens present (score is an average).
n/a = no data available.

Straw Strength and Height

INFERNO is a medium height cultivar with moderate standing power. In most situations, this variety will require a robust plant growth regulator (PGR) programme to prevent lodging. Use of PGRs is generally recommended, with the actual programme determined by a combination of sowing date, seed rate, nitrogen use, crop thickness and yield potential. Please contact your local PGW Representative for site specific recommendations.