Wheat trials

To determine if any specific treatments reduced the impact of frost.

To determine if any specific treatments reduced the impact of frost

• To evaluate and compare the weed control and yield of Sakura with commercial standards.
• To demonstrate efficacy & crop safety of Sakura when sown with grower’s machinery.

To demonstrate the efficacy and crop safety of Velocity® and Precept® 300EC applied alone or in tank mixtures compared to currently available standards for the control of wild radish in wheat.

This study determines the effect of N fertilizer placement, N fertiliser rate and N application timing on the competitive ability of wheat (Triticum aestivum L.) in dryland no-tillage cropping system in the Western Australian grainbelt.

This trial was located in York in the grainbelt of Western Australia and investigated combinations of UAN (Urea Ammonium Nitrate) Placement (streamed or broadcast), UAN rate (low and high input) and UAN timing (early or late in the crop growth) for management of ARG.

This research aims to investigate the effect of wheat time of sowing and seeding rate, on the effectiveness and degradation of pre-emergent herbicides commonly used to control annual ryegrass in no tillage farming systems.

This trial was designed as a scoping study to investigate various aspects of long coleoptile wheat relative to WA farming systems for eventual grower integration. However, this report outlines both observations as well as extensive data that was collected and analysed, despite the original aim of the trail to be more investigatory than data-driven in nature.
The main area of research was investigating the novel Rht18 gene in wheat, which allows for an elongated coleoptile: a protective sheath around the emerging shoot from a seed. Mace/Scepter typically have 40-60 mm coleoptiles (depending on environmental factors). New varieties developed by CSIRO with the Rht18 gene can extend to 12-140 mm by comparison.

This 2-year project has assessed long coleoptile wheat applications to farming systems in WA across emergence, establishment, weed competition, rhizoctonia impacts, herbicide interactions and yield. Extension across sites has aided in discussions with growers and areas requiring further study for integration to grower systems. While investigatory in nature, 2022 trials outlined in this report aimed to be more data driven in nature than trials conducted in 2021.

The two-year scoping study aimed to achieve the following objectives for investigate various aspects of long coleoptile wheat relative to WA farming systems for eventual grower integration:
• Extend long coleoptile findings and discussions to growers across agricultural regions of Western Australia
• Quantify differences in emergence from deep and shallow sown varieties with varying coleoptile lengths.
• Investigate emergence through furrow fill from wind and rain events.
• Investigate emergence from uneven soil platforms, such as from deep-ripping
• Investigate emergence through both low and high soil temperatures.
• Explore biomass and vigour differences between varieties with and without the Rht18 gene.
• Quantify differences in annual ryegrass competition and wheat vigour interactions with grass weeds.
• Explore herbicide interactions across depths of sowing to investigate crop safety and ways of adjusting/changing IBS and EPE herbicides.
• Explore rhizoctonia wheat root infection between depths of sowing.
• Analyse grain yield of various varieties and coleoptile lengths, including Rht18 wheat.

To quantify the impact of stubble on the severity and duration of frost through canopy temperature and grain yield.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  yellow brown and yellow brown gravel soils sands across 2 seasons.

To investigate the effect of phosphorus application rates and strategies over a number of years on the growth and yield of wheat.

Part of a series of trials to assess wheat response to nitrogen and potassium under different conditions across the wheatbelt and, locally, determine rates to improve yield and returns.

Barley grass is becoming an increasingly problematic weed in Western Australia. A GRDC funded project sought to increase adoption of integrated weed management tactics for barley grass, by working with grower groups to develop regionally appropriate rotations for optimal control.

A survey indicated that in growers in the northern wheatbelt felt that barley grass was most likely to be a major problem in pasture, and a common response is use of Group A herbicide to remove grass in pasture. However, given how easy it is to develop Group A resistance, the group wanted to investigate other chemical and non-chemical options in pasture, as well as the impact of late seeding and pre-emergent herbicide for barley grass control in crop.

This three year trial aimed to investigate slashing and spray topping in pasture in 2019, and then time of sowing and pre-emergent herbicides in wheat in 2020 and canola in 2021.

• How will the barley and wheat perform side by side after a serradella phase?
• How much N do we need to apply to each crop type after a serradella phase, and which is the most profitable?
• Will there be Imazethapyr residue from April 2017, and will it affect the non-CL® variety?

To compare the returns of barley, canola, wheat and triticale.

• To measure the productivity and recovery of cereals under simulated grazing regimes.
• To determine the number of times cereals can be grazed without affecting yield.

To assess whether imidazolinone tolerant wheat or barley provides better weed control and which gives the best economic return.

To evaluate the quality and yield of Carnamah wheat in response to a range of in-furrow fungicide applications.

This trial was designed to investigate the crop growth, yield and gross margin response of a number of wheat varieties commonly grown in the district to changes in management input strategy.

To conduct a wheat variety evaluation.

To conduct an evaluation of the ability of wheat varieties to tolerate acid/aluminum.

To determine the rates of copper and zinc required for maximum grain yield of wheat grown on  brown gravelly earths..

To establish and manipulate 3 varieties of pasture and determine their effect on the following wheat crop.

To compare the performance of wheat varieties in the M2 rainfall zone.

Native budworm actively feeding on cereals has not been an issue for growers or industry in the past, and considering the recent detections, growers and western region industry networks have voiced that they would like support on this issue, especially regarding sampling techniques and spray thresholds. To achieve this, we investigated this new behavioural trend and the population numbers required to cause economic yield losses to determine if and when management is required in non-traditional cereal hosts.

Through pheromone-based moth trapping, crop inspections, glasshouse trials and a field cage trial, we investigated the behaviour of H. punctigera moths and larvae on, and potential economic damage to, wheat in the northern grainbelt of Western Australia. 

Investigate the impact of soil management techniques and the application of different rates of lime over a five year period on soil pH.

To evaluate the performance of Litmus (WABAR2625) barley in comparison to Hindmarsh and Wyalkatchem on an acidic soil.

Copper, Zinc and nitrogen   required for maximum grain yield of wheat following clover ley at Wongan hills  Station.

To determine whether lime has an effect on potassium (K) response

This trial is conducted to investigate the value of nitrogen on the profitability of new wheat varieties in early and late sowings in fallow/wheat system at Wongan Hills

To investigate the value of nitrogen on the profitability of new wheat varieties in early (dry sowing) and late sowings in canola/wheat system at Wongan Hills

To determine the effects of mouldboard ploughing on a Wongan Hills yellow sand when varying lime and nutrient inputs.

To determine the effects of mouldboarding and deep ripping on a Wongan Hills yellow sand when varying lime and nutrient inputs

To investigate how nutrient interactions influence yield response. Specifically, if:

1. Applications of P, K and/or S fertilisers influence wheat yield under varying N concentrations.
2. “Background” nutrition influences fertiliser responsiveness.
3. Yield responses are a result of absolute nutrient concentrations or ratios between essential nutrients.

To evaluate the relative yield loss (tolerance) of commonly grown and newly released wheat and barley varieties to Fusarium crown rot.

To conduct a long season wheat variety trial.

To conduct a long season wheat variety trial.

To conduct wheat variety trial.

To conduct a wheat variety trial.

To conduct a wheat variety trial.

To conduct a wheat variety trial.

To conduct a wheat variety trial.

To conduct a wheat variety trial.

To conduct a wheat variety trial.

To conduct a wheat variety trial.

To provide a demonstration site to observe the effects of mouldboard ploughing vs. no cultivation on non-wetting soils and crop growth and yield.

Determine thresholds of stubble loads (0, 1, 2 & 4t/ha) which increase severity and duration of frosts, and associated frost risks.

To assess the impact of (and interaction between) grazing and frost damage on the grain yield and quality of a range of winter and spring cereal varieties sown at two times of sowing.

To assess the impact of sheep grazing over summer on crop residues, soil quality and no-tillage crop establishment and yields.

To investigate adaptation of new wheat varieties in their resilience to frost stress during the growing season.