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Meet viticulture expert Mary Retallack

18/2/2019

 
Picture
South Australian Viticulturist Mary Retallack has partnered with WGCSA to share the latest research on best practice viticulture with SA growers through a series of articles. 

Mary says, 'I hope these articles stimulate new thoughts, ideas and actions! Each location in SA is different and needs a tailored approach but if we can incrementally change the way we grow grapes and build resilience into our vineyards, we can start to achieve 
longer-term solutions. The solutions don’t have to cost a lot of money but may provide significant benefits.'

To kick things off, we asked Mary to share her experience in the industry, what growers need to be aware of in 2019 and her tips to help growers save time and reduce costs. 


Tell us about your experience in the grape and wine sector?
I grew up on a fruit block in the Riverland and have been working in the wine sector professionally over the past 25 years in a range of hands on, extension, education, research and consulting roles. I work as an independent viticulturist and Retallack Viticulture Pty Ltd provides a wide range of agribusiness services nationally. I am a also Director of Wine Australia and contribute to a number of wine sector advisory committees. I have a broad range of interests, and am particularly interested in ways we can build resilience and profitability into production systems, so both growers and the environment benefit.

I have just completed a PhD at the University of Adelaide in viticulture and plant protection studying the role of native insectary plants and their capacity to support diverse populations of predatory arthropods. They are the ‘good bugs’ and if we understand how to look after them, there are thousands of little insect workers that can potentially provide biocontrol of grapevine pests virtually for free! The opportunity to plant selected native insectary plants could help wine grape growers save time and resources by producing fruit with lower pest incidence, while enhancing biodiversity of their vineyards.
 
What are the top three things you think grape growers should be aware of in 2019?
  1. Environmental stewardship is fast becoming a prerequisite to doing business. Growers will increasingly be asked to tell their story and to demonstrate their environmental credentials. The enhancement of biodiversity and soil health should underpin everything we do. These practices can also buffer the system against change including extreme weather events. I think the incorporation of Australian insectary flora in vineyards is a fantastic way to stand out in a crowded marketplace, especially in international markets.

  2. We are at the cusp of realising the benefits of agtech. This is both exciting and poses a challenge to navigate the range of products available. New tech needs to provide practical benefits and allow growers to save time and money. Platforms need to talk to each other to be readily adopted. The capacity to crunch big data (i.e. granulated weather data) and for machine learning (algorithms that can lead to informed decision making through artificial intelligence) is exciting. The internet of things (IoT) is here! 

  3. Incursions of exotic pests pose a consistent threat. Have a biosecurity plan in place and be vigilant about maintaining vine health. The management of trunk disease is a key priority, and a proactive approach to managing grapevine viruses needs similar attention to avoid wide spread losses. Prevention is a key part of the solution.
 
Do you have any tips to help growers save time and reduce costs?
Informed decision making, correct timing and attention to detail are important for saving time and money. I like the idea of working smarter rather than harder. For example, there are networks of growers throughout SA who are enhancing biodiversity by revegetating with native, naturally adapted plants which can provide a range of benefits. By nurturing the environment it can take care of itself. Which means we can intervene less and benefit from naturally occurring ecosystem services. These benefits include biocontrol, weed suppression, erosion control, aesthetics, nutrient cycling, soil water retention, enhanced soil organic carbon and soil biological activity.
 
Looking to the future, what trends should grape growers keep in mind?
Export markets ebb and flow. The Chinese export market is demonstrating strong growth. Growers may wish to think strategically about how they can maximise their benefits in this market as well as spreading their risk into other emerging markets.

Being on the front foot regarding biosecurity is a must. Use rootstocks to provide protection against root borne pathogens and have a plan in place to manage visitation.  

We will start to have access to grapevines that have been bred for resistance to powdery and downy mildew in the foreseeable future.

Plant growth regulators are used commonly in table grape production and are potentially a powerful tool to manipulate yield and the rate of berry development and fruit ripening in wine grapes also. Watch this space.

Attracting the next generation and providing diversified career paths to keep them in the sector. Let’s make sure we capture the collective wisdom of those who are nearing retirement.
​
Remember we can create our own trend and pathways, we don’t need to follow.


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  • Home
  • About
    • Our People >
      • Adrian Hoffmann
      • Troy van Dulken
      • Nick Price
      • Ben Pridham
      • Lachlan Allen
      • Jenny Venus
      • Helen Strickland
    • Strategic Direction
    • Industry Organisations
  • REGIONS
  • Grower Resources
    • SA Assistance Guide
    • Guide For Vineyard Removal & Waste Management
    • Code of Conduct Forum
    • Legal Services Partnership
    • Broadacre Burn-off Smoke Management Guidelines
    • AGW Factsheet for Growers
    • Personal Property Security Register
    • Grape Purchase Agreements >
      • Guide to selling wine grapes
      • Wine Industry Code of Conduct
      • Tips to recover payments
    • Transport Legislation
    • Despatch Docket Books
    • Licensing and Compliance Guide
    • Grower Guide to the Label Integrity Program
    • AWRI Fact Sheets
    • Video Library >
      • FIT4WORK
      • Grower Interviews
      • 2017 Wine Grape Grower Summit
      • WGCSA Councillor Interviews
  • GrowStrong 2025
    • GrowStrong Business Fundamentals
    • GrowStrong Events
    • GrowStrong Sustainable Winegrowing Australia Options
    • GrowStrong Pilot Program
  • Reports & Analysis
    • SA Crush & Pricing Report
    • Grape profitability by region
    • Global Market Analysis
  • PODCAST- Series 1
    • Episode 01- Tom Keelan
    • Episode 02- Ashley Keegan
    • Episode 03- Dr Ian Zajac
    • Episode 04- Lachlan Allen
    • Episode 05- Trudie Stanley
    • Episode 06- Adrian Hoffmann
    • Episode 07- Brett Smith & Ashley Keegan
    • Episode 08- Brad Case & Nicole Clark
    • Episode 09- Mary O'Brien
    • Episode 10- Ashley Ratcliff
  • PODCAST- Series 2
    • Episode 01- Anita Goode
    • Episode 02- Richard Leask
    • Episode 03- Matt Dorman, Callen Bubner
    • Episode 04- Kerri Thompson, Marnie Roberts
    • Episode 05- Simon Tolley
    • Episode 06- Steve Schiller, Rebecca Weatherill
    • Episode 07- Sheridan Alm
    • Episode 08- Nigel Blieschke, Tom Bartholomaeus
    • Episode 09- Roger, Greg and Tim Follett
  • News & Events
  • SHOP
  • EcoVineyards