Introducing SY Dolomite Feed Barley

SY Dolomite

SY Dolomite (SY 415-584) is a new feed barley variety that was released to the New Zealand market in Autumn 2023. SY Dolomite has demonstrated exceptional yields in both dryland & irrigated environments from both Autumn and Spring sowings.

SY Dolomite is a new high yielding feed barley bred by Syngenta in the UK and developed in NZ in conjunction with Cropmark Seeds as head licensee. SY Dolomite has excellent standability being a moderate to stiff strawed cultivar with intermediate maturity making it well suited to a range of different farming situations. It shows superior resistance to most diseases and has a wide sowing window from early May through to October. SY Dolomite produces a large grain with outstanding screenings and test weight.

Disease and agronomic profile (FAR 2022-23 autumn cultivar booklet)
ScaldIntermediate Resistance
Leaf rustModerately Susceptible
Net blotchIntermediate Resistance
Powdery mildewResistant
Straw strengthModerate-stiff
Lodging riskLow
Crop heightMedium


SY Dolomite has been trialed for many years and is well proven across all sites, producing consistent and reliable yields across all sowing times, whether it be dryland or irrigated, for autumn sowing or for spring sowing.

DunsandelMethvenWakanuiSt AndrewsCant. MeanBalfour
Buttress 10.1 11.4 9.7 8.8 10.0 5.8
Fortitude 10.3 11.2 9.2 9.8 10.1 6.3
Jimpy 8.7 9.5 6.9 8.2 8.3 -
Laureate 11.1 11.2 9.2 8.9 10.1 6.8
Milford 9.5 10.1 9.7 9.7 9.7 6.6
RGT Planet 9.9 11.4 7.8 8.3 9.4 6.7
SY Dolomite 10.8 11.2 9.3 9.9 10.3 6.7
SY Silhouette 10.8 10.7 9.7 10.1 10.3 6.8
SY Solar 10.3 11.2 8.5 8.4 9.6 6.4
SY Transformer 10.5 11.4 8.8 10.0 10.2 6.4
Site mean yield 10.4 11.1 8.8 9.3 9.9 6.6
LSD 0.3 0.4 0.6 0.5 0.8 0.5
CV % 2.0 2.6 5.0 3.5 5.3 5.3
Yields from 2022/23 spring barley CPT trials at Dunsandel (irrigated, sown 23rd December 2022), Methven (irrigated, sown 1st September 2022), Wakanui (irrigated, sown 20th September 2023), St Andrews (dryland, sown 10th October 2022), and Balfour (dryland, sown 17th October 2022).

For more information on how to utilise SY Dolomite to make the most from your land, click here to get in contact with your local Agronomist.

This information is provided for general guidance only. Whilst every care has been taken to ensure it is accurate, it is, out of necessity, of a general nature and variation in growing environment or climate can render it inaccurate. Syngenta, Cropmark Seeds and Catalyst Performance Agronomy cannot accept any liability arising out of or in connection with the use of this information. Crop protection products should be used in conjunction with manufacturers’ recommendations. Use pesticides safely and always read the label completely before use.