scigest - Bioeconomy Science Institute podcasts

Fungi underpin the health of our ecosystems, yet they're one of the least understood groups of organisms. In this episode of Scigest, host Dr Hilary Ireland sits down with recently retired mycologist Dr Peter Buchanan, whose remarkable 50-year career has helped transform our understanding of Aotearoa New Zealand's fungi. In the first of this two-part conversation, Peter shares the experiences that shaped his career and lifelong interest in fungi. He discusses fungal diversity, the importance of taxonomy and plant pathology, and the role fungi play in crop production, disease management and post-harvest storage. Peter also reflects on how molecular biology has transformed fungal research, opening new opportunities to understand fungal relationships, identify pathogens and improve disease management. Part 2 of this conversation will be available from 17 August. Vegetable caterpillar fungi link: www.sciencelearn.org.nz/videos/768-vegetable-caterpillar-fungi Peter Buchanan profile: www.sciencelearn.org.nz/resources/1445-dr-peter-buchanan To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

Red needle cast is one of the most significant diseases affecting New Zealand's radiata pine forests. In this episode of Scigest, scientist and host Darryl Herron sits down with forest pathologist Emily McLay to discuss why the disease is such a challenge for forest growers and how our science helps forest growers better predict, prepare for and manage it. Tune in to hear how cutting-edge research is helping protect the forests that support our economy, environment and communities. Red Needle Cast Regional Risk Forecasting website: https://fgr.nz/tools/red-needle-cast-regional-risk-forecasting. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

Data is transforming the way we do science. In this episode of scigest, host and scientist Tom Moore sits down with Principal Scientist Dr Linley Jesson to explore her fascinating career journey from ornithology and plant biology to genomics and data science. Linley shares how influential mentors helped shape her path, the curiosity that led her from studying bird behaviour to the intricacies of plant reproduction, and how her research has evolved alongside the rapid growth of genomic technologies. The conversation delves into her work on plant reproductive biology, moss genomics and the increasingly vital role of data science in unlocking new scientific insights. Linley also reflects on the importance of mentoring the next generation of researchers, embracing change throughout a scientific career, and finding opportunities to innovate in an evolving research landscape. Whether you're curious about the future of data-driven science or the winding career paths that lead to groundbreaking research, this episode offers insight into the people behind the data. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

Wildfires can be devastating for New Zealand’s communities and landscapes and they’re becoming more frequent, with the country experiencing an average of 3400 wildfires annually over the past 31 years, burning 5700 hectares of land. Understanding how wildfires behave is key to helping people prepare for and cope with their impact. In this episode of Scigest, host and scientist Nicola Sulivan speaks to fire ecologist Shana Gross about the Bioeconomy Science Institute's role in supporting firefighters and communities, including publishing national-scale wildfire hazard potential data and developing a toolkit to enhance understanding of wildfire behaviour. Gross also discusses the impact of human activities, climate change and the importance of community preparedness when it comes to wildfires. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

What practical steps can Aotearoa New Zealand take to strengthen its energy security while creating jobs and reducing environmental impacts? In this episode of Scigest, host and scientist Darryl Herron talks with Paul Bennett, Integrated Bioenergy Portfolio Lead at the Bioeconomy Science Institute Maiangi Taiao, about the opportunities for locally produced bioenergy and biofuels. Drawing on New Zealand's existing woody biomass resources, the team is exploring how scalable bioenergy solutions could help reduce the country's long-term fuel insecurity, support regional economic growth, and contribute to a more sustainable future. Tune in to learn how science is helping unlock New Zealand's bioeconomy potential and what it could mean for our energy future. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

Developing new plant varieties helps keep consumers interest in crops and also assists growers manage environmental challenges, such as new pests and diseases and changing climates. In this latest "Science life for me” series podcast, scientist and Scigest host Dion Mundy speaks to berry breeder Pauline Kerbiriou about her role, the importance of plant breeding, and the characteristics that breeders look for in a new variety. We also talk to Pauline about her journey so far as a scientist, and share some useful tips for young scientists in their careers. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

The Allan Herbarium houses plant species from around the world, with a particular focus on indigenous and exotic plants of Aotearoa, New Zealand and the South Pacific. It contains approximately 800,000 specimens, which include dried plants, lichens, mosses, liverworts, seeds, fruits, wood, liquid-preserved specimens, and microscope slides. In this Scigest episode, host and scientist Rebecca Bloomer speaks with Allan Herbarium curator Jessie Prebble and collections manager Ines Schonberger about the science, history and global collaborations behind the collection. Jessie shares how the Herbarium supports research and public engagement, while Ines offers insight into the day-to-day work of managing and preserving the collection. Together, they explore the Herbarium’s remarkable history — including specimens collected during Captain Cook’s first voyage — and discuss how these centuries-old collections continue to support modern science, from DNA analysis to biosecurity research. For more information on the collection please see: https://tinyurl.com/Allan-Herbarium To view our full catalogue of podcasts including extra links mentioned in this podcast please go to our Scigest pages: www.plantandfood.com/scigest

As a lover of hoppy beers and the outdoor life, it was natural that plant breeder Kerry Templeton should be tempted to head down from Auckland to Motueka nine years ago to take on the hop breeder role for the Bioeconomy Science Institute. In this latest podcast in our "Science Life For Me series”, scientist Dion Mundy speaks to Kerry about his life as a hop breeder and also talk hops and the hop industry.

Indigenous trees are vital for environmental health and biodiversity, and Aotearoa New Zealand has bold plans to re-establish them. Scientist and Scigest host Nicola Sullivan talks to invasion ecologist and establishing indigenous forests portfolio lead Tom Carlin about this work and why managing the spread of wilding pines is a key part of it. For links to a Farmers Weekly podcast on "Bringing down the cost of planting natives" and a Newsroom article on wilding pines in the South Island high country please view our Scigest page for this podcast on: https://www.plantandfood.com/en-nz/from-the-land

Arctic Apples are one of the first fruits globally developed using gene technologies. Available for consumers in the USA since 2017, the Arctic series includes a modified gene that stops apples browning, making them perfect for a pre-sliced snack. Okanagan Specialty Fruits, the developers of Arctic Apples, are looking at how they can incorporate new gene technologies into their product development. Scientist and podcaster Hilary Ireland talks to their Vice President of Research & Regulatory Affairs, Dr Muhammad Tahir, about the origins and development of this technology, as well as looking at future developments for the technology. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

Pasture plays a vital role in many farming systems by providing essential feed for the livestock that support our food and fibre industries. But what we see is just the surface, the health of pasture is intrinsically linked to a family of microorganisms called endophytes that live within plants. In this episode of Scigest, we explore the remarkable role of endophytes and how they influence pasture performance, plant resilience and livestock systems in Aotearoa New Zealand. Scientist and podcaster Dr Jay Jayaraman is joined by principle scientist Dr Linda Johnson, who leads a team of researchers unlocking the potential of these powerful microorganisms, identifying the endophytes best suited to New Zealand’s farming systems. Their work has delivered real-world impact on farms and was recognised with the 2024 Prime Minister’s Science Prize. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

Principal Scientist Marlon dos Reis joins host Rebecca Bloomer to explore how the Bioeconomy Science Institute is using advanced technology to help solve a critical bottleneck in the seed industry: the time-consuming and labour-intensive nature of traditional seed quality assessment. They discuss our collaboration with the Foundation for Arable Research (FAR) and the successful development of a system using hyperspectral imaging and Artificial Intelligence (AI) to pre-screen seeds for contaminants. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

Aotearoa New Zealand’s next biosecurity threat might not arrive by ship or plane — it could already be in the air. In this episode of scigest, scientist and host Ki-Taurangi Bradford speaks with biosecurity scientist Dr Toni Withers about the invisible wind pathway carrying pests across the Tasman. Toni explains how moths, butterflies and plant pathogens can travel vast distances on air currents, how new forecasting models are predicting when and where incursions may occur, and how interceptions on offshore platforms help test these predictions. The episode also explores the vital role of volunteer citizen scientists and the use of isotope analysis to trace where intercepted insects originate. Blown Away web pages: https://bit.ly/4q65ZT0. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest.

Host Dr Hilary Ireland speaks with Dr Bevan Weir about the vital role Aotearoa New Zealand’s nationally significant collections and databases play in protecting biodiversity and strengthening biosecurity. Bevan shares stories that highlight why taxonomy matters — from identifying the pathogen behind kauri dieback and protecting rare underground fungi, to preventing toxic new weeds, safeguarding avocado exports and responding to invasive pests. The conversation explores how centuries-old taxonomic science, combined with modern tools like DNA sequencing, computer vision and data analytics, enables accurate species identification and informed decision-making. Together, these approaches help manage biosecurity risks, support conservation and make these vital national resources accessible to researchers and the wider public. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest.

We’re celebrating World Soil Day by exploring the vital role soils play in the landscapes, food systems and environmental resilience of Aotearoa New Zealand. Host Rebecca Bloomer is joined by soil scientist Pierre Roudier, President of the New Zealand Society of Soil Science, to explore how soils support ecosystems, store carbon, manage water, reduce flood risk and even shape urban planning. Pierre reveals how modern soil science is transforming our understanding of the land — from advanced mapping tools like S-map to new ways of monitoring change. These innovations help guide land-use decisions and protect high-value soils from urban pressure. The episode also looks ahead to the future of soil science, including soil moisture monitoring, carbon sequestration and viewing soil as a living ecosystem. We wrap up with an invitation to mark World Soil Day by taking a moment to notice and appreciate the soils beneath our feet. S-Map link: https://smap.landcareresearch.co.nz To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

In the spring of 1985, a pivotal breeding cross produced two of New Zealand’s most successful apple varieties —Scifresh and Scilate — later commercialised and marketed by T&G Global as JAZZ™ and ENVY™ apples. This pioneering work at the Bioeconomy Science Institute’s (formerly DSIR’s) Hawke’s Bay research orchard led to commercial partner T&G Global licensing the varieties and taking them to consumers around the world. Since then, JAZZ™ and ENVY™ apples have enjoyed remarkable global success, reaching consumers in more than 55 countries and earning a reputation as two of the most sought-after premium apple brands in the world. In this episode of Scigest, we speak to Jemma Whiten, Head of Global Marketing at T&G Global. We dive into the incredible story behind these two apple brands and learn how T&G Global have built enduring and growing consumer demand and supply, with these brands truly standing out on the global stage. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

In the spring of 1985, a pivotal breeding cross produced two of New Zealand’s most successful apple varieties —Scifresh and Scilate— later commercialised and marketed by T&G Global as JAZZ™ and Envy™ apples. This pioneering work at the Bioeconomy Science Institute’s (formerly DSIR’s) Hawke’s Bay research orchard led to commercial partner T&G Global licensing the varieties and taking them to consumers around the world. Since then, JAZZ™ and Envy™ apples have enjoyed remarkable global success, reaching consumers in more than 55 countries and earning a reputation as two of the most sought-after premium apple brands in the world. In this episode of Scigest, we dive into the incredible story behind these two varieties with Bioeconomy Science Institute apple breeder Dr Richard Volz and hear about the dedication, passion, and years of scientific research that goes into breeding apples that truly stand out on the global stage. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

When you go to the supermarket, you’ll find lots of different varieties of fruits and vegetables. Many people have a favourite apple, kiwifruit, potato or tomato variety, something that tastes particularly good or fits with their lifestyle. What you probably don’t realise is that behind each of these varieties is a whole suite of protection for the breeder, the grower and the marketer, giving them certain legal rights. Emma Brown is the General Manager, Plant Varieties at the Bioeconomy Science Institute, and her team works to make sure each variety coming out of the breeding programmes has the right protection to deliver the best impact for everyone along the supply chain. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest

Feed people, not landfill. Around 30% of food grown for human consumption never gets eaten, yet thousands still go hungry. What role does food rescue play in resolving the conundrum of providing healthy, enjoyable, affordable nutrition within Planetary Boundaries? In this episode host Roger Robson-Williams chats with Iain Lees-Galloway, the General Manager of the Aotearoa Food Rescue Alliance. They discuss the relationship between humans and the environment, and they celebrate the work of volunteers across Aotearoa New Zealand who are making a difference for people struggling to put food on the table — a win for hungry kids and a win for the planet.

From shellfish and seaweeds to tiny amphipods, biofouling is the stubborn layer of life that clings to boats and marine structures, creating costly maintenance challenges. While some chemical treatments can help control biofouling, many of these chemicals pose risks to other marine life. This week, host Julie Blommaert speaks with Research Technologist Peter Bell about his research into smarter, safer ways to tackle biofouling and how what’s often dismissed as “brown sludge” could be put to good use. To view our full catalogue of podcasts including extra links on some podcasts please go to our Scigest pages: www.plantandfood.com/scigest