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| Researcher(s) |
Robyn Shapland Steven Simpfendorfer |
|---|---|
| Year(s) | 2016 |
| Contributor | Department of Primary Industries NSW |
| Trial location(s) |
‘Dunbar’, Bullarah, NSW
|
| Further information | View external link |
| Related trials |
|
Crown rot (CR), which is caused predominantly by the fungus Fusarium pseudograminearum
(Fp), remains a major constraint to winter cereal production in the northern grains region.
Cereal varieties differ in their resistance to crown rot, which can significantly affect their
relative yield in the presence of this disease.
This experiment was one of 11 conducted by NSW DPI in 2016 across central/northern NSW
extending into southern Qld; to examine the effect of crown rot on the yield and quality of four
barley, three durum and 13 bread wheat varieties.
Key findings
• Yield loss from crown rot ranged from 7.6% in the bread wheat variety LRPB SpitfireA up to 29.1% in the
barley variety CommanderA.
• Bread wheat variety choice affected yield in the presence of high levels of crown rot infection with
nine entries being 0.30 t/ha to 1.33 t/ha higher yielding than the susceptible bread wheat variety
EGA GregoryA.
• Grain protein levels varied from 12.0% in MitchA up to 15.8% in the recently released durum variety
DBA LillaroiA. Crown rot infection did not affect any grain protein level in any entry.
• Screening levels varied from 2.2% in the barley variety CompassA up to 9.5% in the bread wheat line
LPB12-0494.
• Crown rot infection did not affect screening levels in any entry.
CONCLUSIONS:
Cereal crop and variety choice provided a 7–33% yield benefit over growing the susceptible bread wheat variety EGA GregoryA under high levels of crown rot infection at Bullarah in 2016. This could have maximised profit in the growing season but will not reduce inoculum levels for subsequent crops, because all winter cereal varieties are susceptible to crown rot infection. Winter cereal crop and variety choice is therefore not the sole solution to crown rot but rather just one element of an integrated management strategy to limit losses from this disease.
| Lead research organisation |
Department of Primary Industries NSW |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC DAN00175 |
| Related program | N/A |
| Acknowledgments |
This research was part of the project National crown rot epidemiology and management program (DAN00175), with joint investment by NSW DPI and GRDC. Thanks to Brad Coleman for providing the experiment site and Rick Graham, Jim Perfrement, Mick Dal Santo, Stephen Morphett (NSW DPI) for sowing, maintaining and harvesting the trial. Thanks to Chrystal Fensbo (NSW DPI) for grain quality assessments and to Jason Lowien (GrainCorp) for use of an NIR machine to determine grain protein levels. |
| Other trial partners | Brad Coleman, ‘Dunbar’, Bullarah |
| Crop type | Cereal (Grain): Barley |
|---|---|
| Treatment type(s) |
|
| Trial type | |
| Trial design |
| Sow date | Not specified |
|---|---|
| Harvest date | Not specified |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser | Not specified |
| Inoculant | Not specified |
| Other trial notes |
Yield In the no added CR treatments, yield ranged from 3.76 t/ha in the barley variety SpartacusA up to 5.86 t/ha in the bread wheat variety BeckomA. All entries suffered significant yield loss under high levels of crown rot infection (added CR), which ranged from 7.6% in the bread wheat variety LRPB SpitfireA (0.44 t/ha) up to 29.1% in the barley variety CommanderA (1.32 t/ha). All four barley varieties were lower yielding than EGA GregoryA under high crown rot infection (added CR). The bread wheat entries (LPB12-0494, SunguardA and LRPB GauntletA) all produced a yield equivalent to EGA GregoryA in the added CR treatment. The bread wheat entries LRPB SpitfireA (1.33 t/ha), BeckomA (0.98 t/ha), MitchA (0.81 t/ha), CoolahA (0.71 t/ha), SunmateA (0.61 t/ha), LRPB FlankerA (0.48 t/ha), LRPB LancerA (0.39 t/ha), LRPB ReliantA (0.33 t/ha) and LPB12-0494 (0.30 t/ha) were all higher yielding than EGA GregoryA under high levels of crown rot infection (added CR) |
| Sow date | 25.5.16 |
|---|---|
| Harvest date | 7.12.16 |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser |
250 kg/ha Urea and 60 kg/ha Granulock 12Z (treated with 400 mL/ha of flutriafol) at sowing |
| Inoculant | Added or no added crown rot at sowing using sterilised durum grain colonised by at least five different isolates of Fp at a rate of 2.0 g/m of row at sowing |
| Other trial notes |
Yield In the no added CR treatments, yield ranged from 3.76 t/ha in the barley variety SpartacusA up to 5.86 t/ha in the bread wheat variety BeckomA. All entries suffered significant yield loss under high levels of crown rot infection (added CR), which ranged from 7.6% in the bread wheat variety LRPB SpitfireA (0.44 t/ha) up to 29.1% in the barley variety CommanderA (1.32 t/ha). All four barley varieties were lower yielding than EGA GregoryA under high crown rot infection (added CR). The bread wheat entries (LPB12-0494, SunguardA and LRPB GauntletA) all produced a yield equivalent to EGA GregoryA in the added CR treatment. The bread wheat entries LRPB SpitfireA (1.33 t/ha), BeckomA (0.98 t/ha), MitchA (0.81 t/ha), CoolahA (0.71 t/ha), SunmateA (0.61 t/ha), LRPB FlankerA (0.48 t/ha), LRPB LancerA (0.39 t/ha), LRPB ReliantA (0.33 t/ha) and LPB12-0494 (0.30 t/ha) were all higher yielding than EGA GregoryA under high levels of crown rot infection (added CR) |
| # | Variety |
|---|
| Rainfall avg ann (mm) | 603mm |
|---|---|
| Rainfall trial gsr (mm) | 344mm |
SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol 16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.
Plant Breeders’ Rights (PBR)
Some crop varieties used in research trials may be covered by Plant Breeders' Rights (PBR). Users should confirm PBR status of relevant varieties by searching the IP Australia PBR database, http://pericles.ipaustralia.gov.au/pbr_db/ or Variety Central (http://varietycentral.com.au/) and contacting variety owners for further information if required. Where possible, varieties have been listed according to their registered PBR name, although OFT cannot and does not guarantee that the information is accurate or complete.
Note that PBR cover is administered through the Plant Breeders’ Right Act 1994 (