GRAINS RESEARCH UPDATE Corowa Thursday 20 February 9.00am to 2.00pm Corowa RSL Club 30 Betterment Parade #GRDCUpdates 2020 COROWA GRDC GRAINS RESEARCH UPDATE 1 Corowa GRDC Grains Research Update convened by ORM Pty Ltd. Additional copies of the proceedings can be ordered through ORM for $30 (including postage and GST) 46 Edward Street T 0033 54415441 61766176 PO Box 189 E [email protected]@orm.com.au Bendigo VIC 3552 W oorm.com.aurm.com.au CAUTION: RESEARCH ON UNREGISTERED PESTICIDE USE Any research with unregistered pesticides or of unregistered products reported in this document does not constitute a recommendation for that particular use by the authors, the authors’ organisations or the management committee. All pesticide applications must accord with the currently registered label for that particular pesticide, crop, pest and region. DISCLAIMER - TECHNICAL This publication has been prepared in good faith on the basis of information available at the date of publication without any independent verification. The Grains Research and Development Corporation does not guarantee or warrant the accuracy, reliability, completeness of currency of the information in this publication nor its usefulness in achieving any purpose. Readers are responsible for assessing the relevance and accuracy of the content of this publication. The Grains Research and Development Corporation will not be liable for any loss, damage, cost or expense incurred or arising by reason of any person using or relying on the information in this publication. Products may be identified by proprietary or trade names to help readers identify particular types of products but this is not, and is not intended to be, an endorsement or recommendation of any product or manufacturer referred to. Other products may perform as well or better than those specifically referred to. 2020 COROWA GRDC GRAINS RESEARCH UPDATE 2 GRDC Grains Research Update COROWA Contents Program 5 Riverine Plains Inc. information 6 Blackleg – new seed treatment, stubble management and Steve Marcroft, 9 fungicide resistance Marcroft Grains Pathology Variable legacy effects of crop sequences Graeme Sandral, 19 NSW DPI Nitrogen budgeting and carry-over Graeme Sandral, 29 NSW DPI Riverine Plains Inc research update Cassandra Schefe, 33 Riverine Plains Inc. Innovative approaches to subsoil liming and management Guangdi Li, 39 NSW DPI Summer cover crops in short fallow - do they have a place Col McMaster, 49 in central NSW? NSW DPI Yield stability across sowing dates: how to pick a winner in Felicity Harris, 59 variable seasons? NSW DPI How does phenology influence yield responses in barley? Felicity Harris, 65 NSW DPI Cereal production in the United Kingdom (UK) with Keith Norman, 71 regulation, resistance and a changing climate Keith Norman Consultancy Ltd GRDC Northern Regional Panel 80 GRDC Northern Region Key Contacts 81 Acknowledgements 83 Evaluation form 85 2020 COROWA GRDC GRAINS RESEARCH UPDATE 3 Dealing with the Dry As grain growers across Queensland and New South Wales and parts of Victoria and South Australia continue to be challenged by drought conditions, the GRDC is committed to providing access to practical agronomic advice and support to assist with on-farm decision making during tough times. Visit our ‘Dealing with the Dry’ resource page for useful information on agronomy in dry times and tips for planning and being prepared when it does rain. www.grdc.com.au/dealingwiththedry P Level 4 | 4 National Circuit, Barton ACT 2600 | PO Box 5367, Kingston ACT 2604 T +61 2 6166 4500 F +61 2 6166 4599 E [email protected] @theGRDC GRDC Grains Research Update COROWA Program 9.00 am Announcements Matt McCarthy, ORM 9.05 am GRDC welcome and update GRDC representative 9:15 am Latest strategies in canola disease control Steve Marcroft, Marcroft Grains Pathology 9:55 am Legacy effects of N nutrition and hay versus grain Graeme Sandral, crop choice NSW DPI 10:45 am Morning tea 11.15 am Riverine Plains research in progress Cassandra Schefe, Riverine Plains Inc. 11:35 am Cover crops and their impacts on the farming system Col McMaster, – what does the local data suggest NSW DPI 12.15 pm Drivers of yield stability in wheat and barley Felicity Harris, – picking a winner in variable seasons NSW DPI 12.55 pm Hitting production targets in the UK amidst a highly Keith Norman, regulated environment Keith Norman Consultancy Ltd 1.35 pm Close and evaluation Matt McCarthy, ORM 1.40 pm Lunch On Twitter? Follow @GRDCNorth and use the hashtag #GRDCUpdates to share key messages 2020 COROWA GRDC GRAINS RESEARCH UPDATE 5 • • • • • • • • • • • • • • • • • • • - • • • • • • • • • • • • Supporting producers to commercialise ideas, new products and tech inventions Ideas Program 2020 Key Dates: Applications now open! The Farmers2Founders Ideas Program is designed for primary producers in the agri-food and fibre industry with Closing date extended to 28 an idea for a new business, an agtech or foodtech invention, February or who are working on a value-added product. Program kick-off mid-March We have already graduated our first group of 12 producer- led teams from the Ideas Program in 2019 and we are now Apply at: looking to help the next batch of 12 get started! Over 12 weeks, F2F provides the producer-led teams with funding, https://www.farmers2founders.com/ideas- program coaching, tools and networking. We help them work out if their tech or value-added product idea is worth pursuing to the next stage of commercialisation. To fit in with core farming business commitments, the program is largely delivered remotely, with in person workshops at the kick-off For more information register to in March and then at the 8-week point. join one of our webinars or virtual This program is a great fit for primary producers who: ‘office hours’ at: • Have a business, tech or product idea they want to https://www.farmers2founders.com/events explore • Have a team of 1-4 people Contact: Alexander Leat • Can commit ~ 5 hours per week over the 12-week period [email protected] • Are available to attend the workshops in March and at the 8-week point (travel funding provided) • Are willing and enthusiastic to embark on a new venture journey Whether you are a primary producer, a supplier or service provider to producers, or you think you know someone who would be interested in participating in the Ideas Program – we look forward to hearing from you and sharing our passion for supporting Australia’s agrifood and fibre industry. Farmers2Founders (F2F) is a world-first innovation program tailored to producers that equips them to act as frontline innovators and supports them to develop entrepreneurship & technology capabilities, so they can solve critical industry challenges. Farmers2Founders.com Blackleg – new seed treatment, stubble management and fungicide resistance Steve Marcroft¹, Angela van de Wouw² and Susie Sprague³. 1Marcroft Grains Pathology, Horsham, Vic; ²School of BioSciences, University of Melbourne, Vic; ³ CSIRO Agriculture & Food, Canberra, ACT. GRDC project codes: UOM1904-004RTX, UM00051, CSP00187, MGP1905-001SAX Keywords canola, blackleg, stubble management, fungicide resistance, seed treatment Take home messages Blackleg crown canker results from infection during early seedling growth. Prior to sowing, use the BlacklegCM decision support tool to identify high risk paddocks and explore management strategies to reduce yield loss. New succinate dehydrogenase inhibitor (SDHI) seed treatment fungicides have higher efficacy, increased longevity and improved seed safety. The improved efficacy of SDHI fungicide may result in a reduced need for early foliar application of fungicide (4-10 leaf applications). Modern farming systems that enable earlier sowing/germination may result in reduced damage from blackleg crown cankers. Blackleg pathogen populations with resistance to the triazole fungicides fluquinconazole, flutriafol and a tebuconazole + prothioconazole mixture have been detected. No resistance has been detected for new SDHI and quinine-outside inhibitor (QoI) chemistries. Blackleg upper canopy infection (UCI) is the collective term for flower, peduncle, pod, main stem and branch infection, but does not include crown canker. UCI can cause yield losses of up to 30%. Yield loss is reduced by selecting cultivars with effective major gene resistance and using crop management strategies to delay the commencement of flowering to later in the growing season, especially in high disease risk areas. Fungicide applications at 30% bloom often controls UCI but does not always result in yield gains. Thirty per cent bloom fungicide application is unlikely to control pod infection. Blackleg crown canker - seed treatment the cotyledons and leaves asymptomatically through the vascular tissues to the crown, where it causes Do you need a seed treatment? necrosis resulting in a crown canker at the base of Severe crown canker is most likely to develop the plant. Cankers at harvest are due to infection at when plants are infected during the early seedling the seedling stage. Yield loss results from restricted stage (cotyledon to 4th leaf). The fungus grows from water and nutrient uptake by the plant. 2020 COROWA GRDC GRAINS RESEARCH UPDATE 9 The driving factor