Gnarwarre VIC trials

What can we learn from Barley Waterlogging damage?

To determine optimum foliar fungicide management for hyper-yielding spring canola. Determine the effect of fungicide management strategies on disease control (upper canopy blackleg and sclerotinia), grain yield and profitability.

To determine optimum fungicide management for hyper-yielding winter canola.

To determine optimum foliar fungicide management for hyper-yielding canola.

Individual objectives specific to the trial are:

Determine the value of contrasting major gene blackleg resistance groups in HYC
environments:
a. BC (45Y28 RR and 45Y93 CL) – largely ineffective major gene resistance (good minor
gene resistance).
b. ABD (HyTTec Trifecta) – currently effective major gene resistance.

Determine the effect of fungicide management strategies on disease control (upper canopy
blackleg and sclerotinia), grain yield and profitability.

To determine optimum foliar fungicide management for hyper-yielding canola.

Individual objectives specific to the trial are:

Determine the value of contrasting major gene blackleg resistance groups in HYC environments:
a. BC (45Y93 CL) – largely ineffective major gene resistance (good minor gene resistance).
b. ABD (HyTTec Trifecta) – currently effective major gene resistance.

Determine the effect of fungicide management strategies on disease control (upper canopy
blackleg and sclerotinia), grain yield and profitability.

To assess the principal causes of erect heads in April sown wheat crops

Individual objectives specific to the trial were:
- To determine the value of Barley Yellow Dwarf Virus (BYDV) tolerance in HRZ wheat crops using a tolerant (cv Manning) and a non-tolerant (cv Anapurna) cultivar.
- To assess the connection between erect heads and stem base disease complex e.g. crown rot, eyespot, sharp eyespot in the presence of different stem base fungicide applications.

To examine the phenology, disease resistance and standing power of new barley germplasm established in the traditional late April/early May sowing window relative to current practice.

To examine the phenology, disease resistance and standing power of new wheat germplasm established in the traditional late April/early May sowing window.

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

Individual objectives specific to the trial were:
- Monitor the effectiveness of flutriafol in furrow for early disease control in wheat.
- To evaluate whether newer germplasm or new fungicide chemistry allows a reduction in thenumber of fungicide applications whilst increasing profitability (note: reducing the number of fungicides is seen as a key measure for slowing down resistance development in cropping systems).
- Examine whether there is germplasm (varieties tested) that has sufficient early season disease resistance to replace the need for the Timing 1 (T1) spray applied at GS31-32.
- To determine the cost benefit ratio of fungicide application in HRZ regions of different season lengths.

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

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

Individual objectives specific to the trial were:
- Monitor the effectiveness of fluxapyroxad (Systiva) for early disease control in wheat.
- To evaluate whether newer germplasm or new fungicide chemistry allows a reduction in the number of fungicide applications whilst increasing profitability (note: reducing the number of fungicides is seen as a key measure for slowing down resistance development in cropping systems).
- Examine whether there is germplasm (varieties tested) that has sufficient early season disease resistance to replace the need for the Timing 1 (T1) spray applied at GS31-32.
- To determine the cost benefit ratio of fungicide application in HRZ regions of different season lengths

To examine the yield potential of new winter and spring germplasm grown under HYC Management packages against spring and winter controls in the traditional late April/early May sowing window.

To examine the yield potential of winter and spring germplasm (cultivars/lines) grown under a HYC high input management package against spring and winter controls in the traditional late April (ANZAC day) sowing window.

To determine the response to increased crop inputs (fungicide and nitrogen) of a range of canola variety types.

To determine the response to increased crop inputs (fungicide and nitrogen) of a range of canola variety types.

To assess the performance of winter and spring barley germplasm managed under four different management intensities (mid-April to early May sown) at two levels of fungicides.

To assess the performance of winter and spring wheat germplasm managed under three different levels of management (ANZAC 25 April sown).

To assess the value of PGRs with delayed harvest in HRZ regions.

To examine the suitability of elite commercial and unreleased spring cultivars for hyper yielding regions

To examine the suitability of elite commercial and unreleased spring cultivars for Hyperyielding regions

To determine the response to increased crop inputs (fungicide and nitrogen) of a range of spring canola variety types.

To assess the value of pre and post GS30 defoliation in winter and spring germplasm grown in HRZ regions of different season lengths

Individual objectives specific to the trial were:
- Assess the dry matter offtake differences resulting from GS22, GS30 & GS32 defoliations and their effect on final harvest dry matter, grain yield and harvest index of spring versus winter wheat.
- Assess whether April sown spring wheat that has been “reset at GS32 (defoliated)” is higher yielding than GS30 and GS22 grazed and ungrazed crops.
- To assess whether the dry matter offtakes of longer season winter wheats at GS22 are more profitable (dry matter offtake and grain yield) than the same winter wheat defoliated at GS30

To examine the suitability of elite commercial and unreleased winter canola cultivars for hyper yielding regions.

To examine the suitability of elite commercial and unreleased winter canola cultivars for Hyper-yielding regions

To determine the response to increased crop inputs (fungicide and nitrogen) of a range of winter canola variety types.

The project established, assessed and demonstrated a research programme that has resulted in the demonstration of best management IDM practices for the control of Septoria tritici blotch (STB) in the southern region HRZ.

To determine optimum nitrogen nutrient management (including rate and timing) for hyper yielding spring canola.

To determine optimum nitrogen nutrient management (including rate and timing) for hyper-yielding winter canola.

To determine optimum nitrogen nutrient management (including rate and timing) for hyper-yielding canola.

To determine optimum nitrogen nutrient management for hyper-yielding canola.

Are we better to increase seeding rate and reset phenology in faster spring Barley sown early to capitalize on root growth, greater carbohydrate reserve, and initiate more tillers rather than utilise current winter germplasm options sown early in the HRZ? Is spring barley more sensitive to changes in plant density than winter barley?

To assess the value of higher nutrition input for barley

Individual objectives specific to the trial are:
- Assess whether growers are currently under fertilizing barley crops in the region and N requirements required to reach target yields of 10 – 12 within each region.

To assess the value of higher nutrition input (N, P, K & S) for wheat in the growing season and as an “N bank” for the following season.
Individual objectives specific to the trials were:
- To assess the value of additional nutrients in the growing crop (set up as small plots at the HYC Research sites) and for the following crop (mirror image trial set up in the host farmer’s surrounding paddock).
- To assess the value of adding increased P, K, and S when targeting higher yield potential rather than N alone.

To determine optimum plant density for hyper-yielding spring canola.

To determine optimum plant density for hyper yielding winter canola

To determine optimum plant density for hyper-yielding canola

To determine optimum plant density for hyper-yielding canola