Épisodes

  • Don't Get Ripped Off: How to Choose Microbial Biostimulants

    Don't Get Ripped Off: How to Choose Microbial Biostimulants
    Dec 29 2025
    Dr. Russell Sharp explains how to choose and use microbial biostimulants for hydroponics, focusing on production/expiry dates, manufacturer credibility, and the trade-offs between liquid and powder formulations. He recommends trusted suppliers (Legume Technology, Omex/Biomex, Symbiom, Koppert's Trianum P), suggests starting with Bacillus blends and Trichoderma, and advises using seaweed extracts, humic acids and mild fertilizers to feed, not kill, microbes. https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/ Ben Lugtenberg — Leiden University Jos M. Raaijmakers — Netherlands Institute of Ecology (NIOO-KNAW) Corné M. J. Pieterse — Utrecht University Paola Bonfante — University of Turin Ian R. Sanders — University of Lausanne Toby Kiers — Vrije Universiteit Amsterdam Uta Paszkowski — University of Cambridge Marcel G. A. van der Heijden — Agroscope Jan Jansa — Agroscope Marc-André Selosse — Muséum national d’Histoire naturelle (Paris) Francis Martin — INRAE (France) Jonathan D. Leake — University of Sheffield David J. Read — University of Sheffield Katie J. Field — University of Sheffield David Johnson — University of Aberdeen Mark Brundrett — University of Western Australia Sally E. Smith — University of Adelaide Suzanne Simard — University of British Columbia Nancy C. Johnson — Northern Arizona University Matthias C. Rillig — Freie Universität Berlin Katharine A. Horton — University of Canterbury Michael J. Ryan — University of Sydney Caroline P. P. N. “Caro” Veresoglou — Freie Universität Berlin Tim Daniell — The James Hutton Institute David E. Crowley — University of California, Riverside Egbert Schwartz — University of Arizona Sharon L. Doty — University of Washington Fitri A. Widiastuti — Bogor Agricultural University Bernard R. Glick — University of Waterloo Everlon C. Rigobelo — São Paulo State University (UNESP) Harsh P. Bais — University of Delaware Indranil Mukherjee — Indian Agricultural Research Institute (IARI) Dilfuza Egamberdieva — Leibniz Institute of Vegetable and Ornamental Crops (IGZ) Naveen K. Arora — Babasaheb Bhimrao Ambedkar University Rainer Borriss — Humboldt University of Berlin Blanca B. Landa — Institute for Sustainable Agriculture (CSIC, Spain) Philippe Lemanceau — INRAE Christophe Prigent-Combaret — Université Claude Bernard Lyon 1 Sonia Compant — AIT Austrian Institute of Technology Kornelia Smalla — Julius Kühn-Institut Angela Sessitsch — AIT Austrian Institute of Technology Gustavo Santoyo — Universidad Michoacana de San Nicolás de Hidalgo Roberto Kolter — Harvard Medical School Jeffrey L. Dangl — University of North Carolina at Chapel Hill Paul Schulze-Lefert — Max Planck Institute for Plant Breeding Research Marcel Dicke — Wageningen University & Research Wietse de Boer — Netherlands Institute of Ecology (NIOO-KNAW) Linda Thomashow — USDA-ARS (Pullman) David M. Weller — USDA-ARS (Pullman) Cheryl B. Anderton — Washington State University Gary E. Harman — Cornell University Matteo Lorito — University of Naples Federico II Sheridan L. Woo — University of Naples Federico II Christian P. Kubicek — TU Wien (Vienna University of Technology) Irina S. Druzhinina — TU Wien (Vienna University of Technology) Enrique Monte — University of Salamanca Charles M. Kenerley — Texas A&M University Sam E. Gryzenhout — University of the Free State László Kredics — University of Szeged Gábor Szakács — Budapest University of Technology and Economics B. A. Horwitz — Weizmann Institute of Science Alfredo Herrera-Estrella — LANGEBIO (CINVESTAV, Mexico) Alfredo Herrera-Estrella (Plant–microbe) — Irapuato Unit, CINVESTAV Antonietta “Tetta” Vinale — University of Naples Federico II Massimo Zaccardelli — CREA (Italy) Francesco S. “F.” Camera — University of Padua Antonio Di Pietro — University of Córdoba Fernando C. “F.” López-Bucio — Universidad Michoacana de San Nicolás de Hidalgo Pedro A. H. M. Bakker — Utrecht University Jasper F. van der Putten — Netherlands Institute of Ecology (NIOO-KNAW) Giles E. D. Oldroyd — University of Cambridge Maria J. Harrison — Boyce Thompson Institute Jean-Michel Ané — University of Wisconsin–Madison Carla M. “C.” R. Carvalho — University of São Paulo Paola Angelini — University of Perugia Andrea Genre — University of Turin Guillaume Béguiristain — INRAE Marc-Henri Lebrun — INRAE José M. “J.” Alvarez — University of Granada Paola Grenni — Water Research Institute (CNR, Italy) Anissa Poleatewich — Mycorrhizal Applications (Plant Health Care) Martin Trépanier — Premier Tech Maya Dayan — DYNOMYCO Moran Topf — DYNOMYCO Inge Hanssen — DCM (Group De Ceuster) Rob Cannings — Plant Health Care Pam Marrone — Marrone Bio Innovations Mark A. Sadowsky — University of Minnesota James M. Tiedje — Michigan State University Jo ...
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    8 min
  • Why Pumpkins Trap Forever Chemicals — and How Hydroponics Helps

    Why Pumpkins Trap Forever Chemicals — and How Hydroponics Helps
    Dec 28 2025

    Dr. Russell Sharp explores research showing that squashes, pumpkins and other cucurbits can absorb persistent hydrophobic pollutants (PCBs, dioxin-like compounds, organochlorine pesticides and furans) because a specific plant protein binds these chemicals and transports them into the fruit.

    The episode covers the health and food-safety implications, the potential to breed low-accumulating varieties or use phytoremediation, and why growing these crops hydroponically is a safer alternative to avoid soil-borne, long-lasting pesticides.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

    Todd C. Wehner — North Carolina State University Warren Barham Henderson — North Carolina State University Sam Jenkins — North Carolina State University Chris Hernandez — University of New Hampshire A. F. Yeager — University of New Hampshire Elwyn Meader — University of New Hampshire J. Brent Loy — University of New Hampshire Cecilia E. McGregor — University of Georgia Pamela D. Roberts — University of Florida Rebecca Grumet — Michigan State University Zhangjun Fei — Boyce Thompson Institute Yiqun Weng — USDA-ARS Vegetable Crops Research Unit (Madison, WI) Jim Myers — Oregon State University Chuck Bornt — Cornell Cooperative Extension Margaret Tuttle McGrath — Cornell University Michael Mazourek — Cornell University Jocelyn (Joss) Rose — Cornell University Neil Mattson — Cornell University Alan G. Taylor — Cornell University Elizabeth Maynard — Purdue University Rosie Lerner — Purdue University Katie Parker — University of Illinois Extension Bruce Bugbee — Utah State University Mark Brand — University of Connecticut Gerald Berkowitz — University of Connecticut Vance Whitaker — University of Florida Craig Schluttenhofer — Central State University Dan Putnam — University of California, Davis Brad Hanson — University of California, Davis Rebecca Sideman — University of New Hampshire Louise Russell — The James Hutton Institute David Simpson — NIAB EMR Howard Griffiths — University of Cambridge Tracy Lawson — University of Essex Erik H. Murchie — University of Nottingham Malcolm Hawkesford — Rothamsted Research Yiguo Hong — University of Worcester Owen Atkin — Australian National University Susanne von Caemmerer — Australian National University Graham Farquhar — Australian National University Rana Munns — CSIRO Robert D. Furbank — CSIRO Noel Cogan — Agriculture Victoria Research German Spangenberg — Agriculture Victoria Research Simone Rochfort — Agriculture Victoria Research Mathew A. Gilliham — University of Adelaide Peter Langridge — University of Adelaide Ute Roessner — University of Melbourne Mark Lefsrud — McGill University Adam Dale — University of Guelph Rowan F. Sage — University of Toronto Andrew Jamieson — Agriculture and Agri-Food Canada (Kentville) Hugh Daubeny — Agriculture and Agri-Food Canada (Summerland) Kim Lewers — USDA-ARS James Luby — University of Minnesota John R. Clark — University of Arkansas Patrick Conner — University of Georgia David Suchoff — North Carolina State University Jason Griffin — Kansas State University Zelalem Mersha — Virginia State University
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    7 min
  • Hydroponics Wrapped 2025: Triumphs & Tough Lessons

    Hydroponics Wrapped 2025: Triumphs & Tough Lessons
    Dec 27 2025

    Dr. Russell Sharp reviews Hydroponics Daily in 2025, highlighting the top podcast episodes, surprising listener interests (pH, nutrient lockup, microgreens), event highlights, product plans, and both wins and challenges from the year.

    He also covers industry news, unusual stories like illegal grows, predictions for 2026, and plans to shift the podcast format while continuing to support growers and new products.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

    Larry Smart — Cornell University Virginia Moore — Cornell University Christine Smart — Cornell University Alan Taylor — Cornell University (Jocelyn) Joss Rose — Cornell University Glenn Philippe — Cornell University Neil Mattson — Cornell University Nick Kaczmar — Cornell University Lynn Sosnoskie — Cornell University Yu Jiang — Cornell University Chang Chen — Cornell University Alireza (Ali) Abbaspourrad — Cornell University Bruno Xavier — Cornell University Roger Morse — Cornell University Olga Padilla-Zakour — Cornell University

    Gerald Berkowitz — University of Connecticut Mark Brand — University of Connecticut

    Bruce Bugbee — Utah State University

    Jose Franco Da Cunha Leme Filho — Southern Illinois University Carbondale

    Carla Garzon — Delaware Valley University

    Youbin Zheng — University of Guelph

    Marco Todesco — University of British Columbia

    Dan Putnam — University of California, Davis Robert B. Hutmacher — University of California, Davis Charlie Brummer — University of California, Davis Daniel Pap — University of California, Davis Brad Hanson — University of California, Davis Sara Light — University of California, Davis Maya Hotz — University of California, Davis Kadie Britt — University of California, Riverside Mahboubeh Dehnavi — University of California, Davis

    Nicole Gauthier — University of Kentucky Bob Pearce — University of Kentucky Raul Villanueva — University of Kentucky

    Whitney Cranshaw — Colorado State University

    Ismail Dweikat — University of Nebraska–Lincoln

    Timothy Coolong — University of Georgia

    David Suchoff — North Carolina State University

    Jason Griffin — Kansas State University

    Mitchell Dale Richmond — University of Tennessee

    Zelalem Mersha — Virginia State University Shilpi Chawla — Virginia State University Elizabeth Geyer — Virginia State University Ramesh Dhakal — Virginia State University Shuxin Ren — Virginia State University

    Rufus Akinrinlola — University of Tennessee Zachariah Hansen — University of Tennessee

    Alyssa Collins — Penn State Extension

    Raul Cabrera — Rutgers University Tom Gianfagna — Rutgers University John McLaughlin — Rutgers University Jim Simon — Rutgers University Andrew Wyenandt — Rutgers University

    Noel Cogan — Agriculture Victoria Research Aaron Elkins — Agriculture Victoria Research German Spangenberg — Agriculture Victoria Research Simone Rochfort — Agriculture Victoria Research Ashley Isbel — Agriculture Victoria Research Vilnis Ezernieks — Agriculture Victoria Research

    Antony (Tony) Bacic — La Trobe University Mathew G. Lewsey — La Trobe University

    Peter Duggan — CSIRO Stuart Gordon — CSIRO

    Andrew Fuller — Bridge Farm Bioscience Ray Marriott — Bridge Farm Bioscience

    Craig Schluttenhofer — Central State University

    Mark Lefsrud — McGill University

    Nitin Mantri — RMIT University
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    16 min
  • Coffee, Caffeine & Your Plants: Friend or Foe?

    Coffee, Caffeine & Your Plants: Friend or Foe?
    Dec 26 2025
    Dr. Russell Sharp examines the effects of coffee and tea on plants, explaining how caffeine and other compounds (tannins, organic acids, sugars) can act as low-dose biostimulants but become inhibitory or toxic at higher doses. He covers root drench vs foliar applications, allelopathy, impacts on microbes and pests, and how repeated use can harm photosynthesis, nutrient uptake and root health. Practical takeaways: occasional small amounts may help rooting, but regularly pouring leftover caffeinated drinks on houseplants can cause overwatering, chemical stress, microbial shifts and long-term damage—so avoid routine use and be cautious if trying coffee grounds as pest deterrents. https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/ Joanne Chory — Salk Institute (USA) Mark Estelle — University of California San Diego (USA) Steve Kay — University of Southern California (USA) Krishna K. Niyogi — University of California Berkeley (USA) Bob B. Buchanan — University of California Berkeley (USA) Chris R. Somerville — University of California Berkeley (USA) Julin N. Maloof — University of California Davis (USA) Pamela A. Ronald — University of California Davis (USA) Daniel J. Kliebenstein — University of California Davis (USA) Justin O. Borevitz — University of California Berkeley (USA) Natasha Raikhel — University of California Riverside (USA) Julia Bailey-Serres — University of California Riverside (USA) Siobhan Brady — University of California Davis (USA) Michael F. Thomashow — Michigan State University (USA) Sheng Yang He — Michigan State University (USA) Brad Day — Michigan State University (USA) Federica Brandizzi — Michigan State University (USA) Jian-Kang Zhu — Purdue University (USA) Scott Poethig — University of Pennsylvania (USA) Zhenbiao Yang — University of California Riverside (USA) Dominique Bergmann — Stanford University (USA) Sharon R. Long — Stanford University (USA) Wolf B. Frommer — Heinrich Heine University Düsseldorf (USA) Martin Yanofsky — University of California San Diego (USA) Joseph R. Ecker — Salk Institute (USA) Detlef Weigel — Max Planck Institute for Biology Tübingen (USA) Xuelin Wu — University of Maryland (USA) Kent D. Chapman — University of North Texas (USA) Donald R. Ort — University of Illinois Urbana-Champaign (USA) Stephen P. Long — University of Illinois Urbana-Champaign (USA) Elizabeth A. Ainsworth — USDA-ARS (USA) Rebecca Bart — Donald Danforth Plant Science Center (USA) Blake C. Meyers — Donald Danforth Plant Science Center (USA) Jim Giovannoni — Cornell University (USA) Tom Brutnell — Cornell University (USA) Christine Foyer — University of Birmingham (UK) Philip Poole — University of Oxford (UK) Andrew Fleming — University of Sheffield (UK) Alistair M. Hetherington — University of Bristol (UK) Carolin Müller — University of Freiburg (UK) Ian Graham — University of York (UK) Philip Mullineaux — University of Essex (UK) John P. Carr — University of Cambridge (UK) Cathie Martin — John Innes Centre (UK) Pernille Brodersen — University of Exeter (UK) Jill Harrison — University of Bristol (UK) Ottoline Leyser — University of Cambridge (UK) Jim Haseloff — University of Cambridge (UK) Dale Sanders — John Innes Centre (UK) R. George Ratcliffe — University of Oxford (UK) Charles Godfray — University of Oxford (UK) Liam Dolan — University of Oxford (UK) James U. U. (Jim) Whelan — University of Western Australia (Australia) Barry J. Pogson — Australian National University (Australia) Owen Atkin — Australian National University (Australia) Susanne von Caemmerer — Australian National University (Australia) Graham Farquhar — Australian National University (Australia) Sally Aitken — University of British Columbia (Canada) Carl J. Douglas — University of British Columbia (Canada) Justin P. K. L. (Justin) Borevitz — Australian National University (Australia) Marilyn Ball — Australian National University (Australia) Rana Munns — CSIRO (Australia) Mark Tester — King Abdullah University of Science and Technology (Australia) James Whelan — La Trobe University (Australia) Jeremy Timmis — University of Adelaide (Australia) Peter Langridge — University of Adelaide (Australia) Mathew A. Gilliham — University of Adelaide (Australia) Ute Roessner — University of Melbourne (Australia) Robert D. Furbank — CSIRO (Australia) David J. Beerling — University of Sheffield (UK) Howard Griffiths — University of Cambridge (UK) Rowan F. Sage — University of Toronto (Canada) Lewis Ziska — Columbia University (USA) Lisa A. Donovan — University of Georgia (USA) Robert A. Bressan — Purdue University (USA) Erik H. Murchie — University of Nottingham (UK) Tracy Lawson — University of Essex (UK) Steven M. Driever — University of Illinois Urbana-Champaign (USA) Yunde Zhao — University of California San Diego (USA) Keiko Torii — ...
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    7 min
  • Cotton Candy Grapes — Naturally Flavoured?

    Cotton Candy Grapes — Naturally Flavoured?
    Dec 25 2025
    Dr. Russell Sharp explores the story behind cotton candy grapes, explaining how they were created through patient, traditional plant breeding rather than artificial flavouring or genetic modification. He describes the selection process, the natural flavour compounds involved, and the decade-long effort by breeders to bring this unique-tasting fruit to market. The episode also looks at research into breeding strawberries and other fruits for distinctive flavours, the role of modern genomic tools in speeding selection, and how these novel varieties could intersect with hydroponic and vertical farming systems. https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/ Sun World — John Harley International Fruit Genetics — David Cain SNFL — Jean-Luc Stalon Bloom Fresh — Chris Davey ARRA — Stefano Di Michele Sheehan Genetics — David Sheehan Grapa Varieties — Luca Fini Great Growers Partnerships — Jim Beagle Vine Genetics — Paul Boss CSIRO — Anthony Borneman USDA-ARS Parlier — David Ramming USDA-ARS Geneva — Bruce Reisch Cornell Grapes — Bruce Reisch UC Davis Viticulture & Enology — Andy Walker UC Riverside Grapes — Pat Brown Washington State University Grapes — Markus Keller Oregon State University Grapes — Patty Skinkis Michigan State University Grapes — Paolo Sabbatini University of Minnesota Fruit Breeding — James Luby University of Arkansas Grapes — John Clark University of Georgia Grapes — Patrick Conner Texas A&M Viticulture — Lorenzo Rossi North Carolina State Muscadine Breeding — Renee Threlfall Florida A&M Grape Breeding — Jeff Wasielewski Florida UF/IFAS Grapes — Peter Cousins Agroscope Grapevine Breeding — Andreas Hund INRAE Grapevine Breeding — Patrice This IFV — Thierry Lacombe University of Bordeaux Vine & Wine — Eric Boissenot UTAD — Henrique Ribeiro Instituto Superior de Agronomia — Antero Martins CREA Viticulture — Stefano Poni Fondazione Edmund Mach — Marco Stefanini Geilweilerhof — Reinhard Töpfer Hochschule Geisenheim — Hans Reiner Schultz Wädenswil Viticulture — Jürg Linde University of Milan Viticulture — Attilio Scienza University of Turin Viticulture — Anna Schneider University of Adelaide Viticulture — Paul Dry AWRI — Rob Walker University of Stellenbosch Viticulture — Gert Nieuwoudt ARC Infruitec-Nietvoorbij — Danie Myburgh Volcani Center Grapevine — Eyal Tanne INIAV — Antero Martins Embrapa Uva e Vinho — Murillo de Albuquerque Regina INTA — Walter Biasi Universidad Nacional de Cuyo Viticulture — Laura Catena Catena Institute of Wine — Alejandro Vigil University of Chile Viticulture — Patricio Hinrichsen Pontificia Universidad Católica de Chile Viticulture — José Bordeu Driscoll’s — Steve Nelson Plant Sciences — Doug Shaw Berry Genetics — Kirk Larson Lassen Canyon Nursery — Patrick Phillips California Berry Cultivars — Doug Shaw USDA-ARS Strawberry Corvallis — Kim Lewers UC Davis Strawberry Breeding — Doug Shaw UC ANR — Mark Bolda UF Strawberry Breeding — Vance Whitaker University of Arkansas Strawberry Breeding — John Clark North Carolina State Strawberry Breeding — Gina Fernandez Michigan State University Strawberry Breeding — Chad Finn Cornell Strawberry Breeding — Marvin Pritts Oregon State University Strawberry Breeding — Chad Finn Washington State University Strawberry Breeding — Chuck Brun University of Minnesota Strawberry Breeding — Jim Luby University of Wisconsin Strawberry Breeding — Craig Chandler Penn State Strawberry Breeding — Marvin Pritts Rutgers Strawberry Breeding — James Polashock University of Maryland Strawberry Breeding — Chris Walsh University of Massachusetts Strawberry Breeding — Jaime Pinero University of New Hampshire Strawberry Program — Becky Sideman Agriculture Canada Kentville — Andrew Jamieson University of Guelph Berry Breeding — Adam Dale Summerland Research — Hugh Daubeny NIAB EMR — David Simpson East Malling Strawberry Breeding — David Simpson James Hutton Institute — Louise Russell Wageningen Berry Breeding — Arnaud Wybouw Skierniewice Institute of Horticulture — Agnieszka Masny IVIA — José Luis García-Baudín CSIC Berries — Pedro Martínez-Gómez INRAE Strawberry Breeding — Béatrice Denoyes CIV Strawberry Breeding — Stefano Tartarini CREA Fruit Research — Daniele Bassi Mazzoni Group — Luca Mazzoni New Fruits — Francesco Baruzzi Sant’Orsola — Renzo Zighera Fresh Forward — Geert de Weger Hansabred — Hans-Peter Hansen ABZ Seeds — Andreas Buitelaar Limgroup — Theo de Ruiter Flevo Berry — Jan van de Weg Planasa — Emilio Marin BerryWorld Varieties — Nick Marston Eurosemillas — Javier Cano Viveros California — José María López Fresas Nuevos Materiales — Antonio López-Aranda Ohalo Genetics — Nadav Cohen Embrapa Strawberry Program — Fernando Antunes
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    9 min
  • Amazon’s Fake Plants: The Shocking Rise of AI-Generated Seed Scams

    Amazon’s Fake Plants: The Shocking Rise of AI-Generated Seed Scams
    Dec 24 2025
    Dr. Russell Sharp exposes a growing problem of fake plant listings and AI-generated seed scams on Amazon and other marketplaces, showing how buyers are being misled by impossible varieties (like bright blue hostas) and foreign drop-shippers. He explains how to protect yourself—check seller and nursery credentials, prefer reputable nurseries or local stores—and shares a real seed mix-up story to contrast honest mistakes with deliberate fakes. https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/ More reputable growers and seed sellers: Burpee — W. Atlee Burpee & Co. Ferry-Morse — Ferry-Morse Seed Co. Botanical Interests — Botanical Interests, Inc. Seed Needs — Seed Needs LLC Outsidepride — Outsidepride, Inc. Eden Brothers — Eden Brothers Seed Co. Harris Seeds — Harris Seeds Park Seed — Park Seed Co. Renee’s Garden — Renee’s Garden Seed Co. Seeds of Change — Seeds of Change, Inc. High Mowing Organic Seeds — High Mowing Seed Co. Sow Right Seeds — Sow Right Seeds HOME GROWN — Homegrown Garden Open Seed Vault — Open Seed Vault Survival Garden Seeds — Survival Garden Seeds Mountain Valley Seed Company — Mountain Valley Seed Company David’s Garden Seeds — David’s Garden Seeds Everwilde Farms — Everwilde Farms, Inc. Southern Exposure Seed Exchange — Southern Exposure Seed Exchange Baker Creek Heirloom Seeds — Baker Creek Heirloom Seed Co. Territorial Seed Company — Territorial Seed Company Johnny’s Selected Seeds — Johnny’s Selected Seeds Livingston Seed — Livingston Seed Company Lake Valley Seed — Lake Valley Seed Company Seed Savers Exchange — Seed Savers Exchange Annie’s Heirloom Seeds — Annie’s Heirloom Seeds Indigo Instruments (Sprout People) — The Sprout People Handy Pantry — Handy Pantry True Leaf Market — True Leaf Market NatureZ Edge — NatureZ Edge Islas Garden Seeds — Islas Garden Seeds Organo Republic — Organo Republic Sereniseed — Sereniseed CZ Grain — CZ Grain Gardeners Basics — Gardeners Basics The Dirty Gardener — The Dirty Gardener Marde Ross & Company — Marde Ross & Company Food to Live — Food to Live NOW Foods — NOW Health Group, Inc. Frontier Co-op — Frontier Cooperative Starwest Botanicals — Starwest Botanicals, Inc. Nature Jims Sprouts — Nature Jim’s Sprouts Sproutman — Sproutman Publications Back to the Roots — Back to the Roots, Inc. Tumbleweed Plant Co. — Tumbleweed Plant Co. Costa Farms — Costa Farms, LLC Proven Winners — Proven Winners North America, LLC Altman Plants — Altman Plants LiveTrends — LiveTrends Design Group Shop Succulents — Shop Succulents Succulent Studios — Succulent Studios The Sill — The Sill, Inc. Hirt’s Gardens — Hirt’s Gardens American Plant Exchange — American Plant Exchange Plants for Pets — Plants for Pets Brighter Blooms — Brighter Blooms Nursery Perfect Plants — Perfect Plants Nursery Nature Hills Nursery — Nature Hills Nursery, Inc. Bloomify — Bloomify House Plant Shop — House Plant Shop JM Bamboo — JM Bamboo Florida Foliage — Florida Foliage Green Promise Farms — Green Promise Farms Rooted (Rooted Plants) — Rooted Easy to Grow — Easy to Grow Bulbs Van Zyverden — Van Zyverden, Inc. Holland Bulb Farms — Holland Bulb Farms Breck’s — Breck’s Colorblends — Colorblends Wholesale Flowerbulbs Eden Brothers Bulbs — Eden Brothers Gurney’s — Gurney’s Seed & Nursery Co. Stark Bro’s — Stark Bro’s Nurseries & Orchards Co. Spring Hill Nurseries — Spring Hill Nurseries Wayside Gardens — Wayside Gardens White Flower Farm — White Flower Farm Monrovia — Monrovia Nursery Company Logee’s — Logee’s Plants for Home & Garden Wellspring Gardens — Wellspring Gardens Brighter Gardens — Brighter Gardens Blue Ribbon Plants — Blue Ribbon Plants Green Escape — Green Escape Golden Gate Palms — Golden Gate Palms FastGrowingTrees.com — Fast Growing Trees, LLC Brussel’s Bonsai — Brussel’s Bonsai Nursery Eastern Leaf — Eastern Leaf, Inc. Seedville USA — Seedville USA Seeds2Go — Seeds2Go Nature’s Blossom — Nature’s Blossom Garden Republic — Garden Republic The Old Farmer’s Almanac Seed — Old Farmer’s Almanac Purely Organic Products — Purely Organic Products Nature’s Way Seeds — Nature’s Way Seeds The Clayton Farm — The Clayton Farm Ferry-Morse Home Gardening — Ferry-Morse Seed Co. Bonnie Plants — Bonnie Plants, LLC D. Hill Nursery — D. Hill Nursery Greenhouse PCA — Greenhouse PCA California Tropicals — California Tropicals Humble Roots — Humble Roots Green 4 Ever — Green 4 Ever
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    6 min
  • Plant Melatonin: Supercharge Roots and Stress Tolerance in Hydroponics

    Plant Melatonin: Supercharge Roots and Stress Tolerance in Hydroponics
    Dec 23 2025
    Dr. Russell Sharp explains how melatonin — a molecule known for human sleep and stress regulation — is produced by plants and acts as a powerful antioxidant and growth regulator. In hydroponics it can enhance root growth, improve stress tolerance under high light or unstable conditions, delay leaf senescence, and support photosynthesis and secondary metabolite production. Applied as a foliar spray, seed priming, or added to nutrient solutions at micromolar concentrations, melatonin is water-soluble and allows precise dosing in soilless systems. Research shows benefits in crops like tomato and lettuce, with increased root-to-shoot ratios and higher antioxidant levels under stress. https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/ Russel Reiter — University of Texas Health Science Center Dun-Xian Tan — University of Texas Health Science Center Rakesh K. Singh — Banaras Hindu University Nasser Al-Aghbar — King Abdulaziz University Rajeev K. Varshney — International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) Chao Zhao — Nanjing Agricultural University Wei Wei — Zhejiang University Dun-Xian Tan — University of Texas Health Science Center Russel J. Reiter — University of Texas Health Science Center Sergiu F. Chivu — University of Bucharest Guang-Yu Chen — Zhejiang University Xing-Guo Lu — South China Botanical Garden, Chinese Academy of Sciences Shuang-Qing Peng — South China Agricultural University Dun-Xian Tan — University of Texas Health Science Center Russel Reiter — University of Texas Health Science Center Wei Meng — Zhejiang University Natalia Reiter — University of Texas Health Science Center Chunhua Zhao — Nanjing Agricultural University Javier Martinez — University of Granada Ana Cano — University of Granada Russel J. Reiter — University of Texas Health Science Center Dun-Xian Tan — University of Texas Health Science Center Debabrata Chattopadhyay — Bose Institute Fanyue Meng — Zhejiang University Chao Zhao — Nanjing Agricultural University Bin Xu — Nanjing Agricultural University Wei Wei — Zhejiang University Maria Reiter — University of Texas Health Science Center Sergey Kvetnoy — Russian Academy of Sciences Jian-Kang Zhu — University of California, Riverside Chunhua Zhao — Nanjing Agricultural University Xiaohong Zhu — South China Botanical Garden Dun-Xian Tan — University of Texas Health Science Center Russel Reiter — University of Texas Health Science Center Iwona Zielenkiewicz — Polish Academy of Sciences Yali Zhang — Zhejiang University Fang Fang — Nanjing Agricultural University Xinyue Wang — South China Botanical Garden Sonia Reiter — University of Texas Health Science Center Gonzalo Reiter — University of Texas Health Science Center Javier Martinez — University of Granada Ana Cano — University of Granada Dun-Xian Tan — University of Texas Health Science Center Russel Reiter — University of Texas Health Science Center Yi Li — Zhejiang University Chunhua Zhao — Nanjing Agricultural University Wei Wei — Zhejiang University Dun-Xian Tan — University of Texas Health Science Center Russel J. Reiter — University of Texas Health Science Center Rajeev K. Varshney — ICRISAT Rafael Guerrero — University of Granada Juan Pablo Martínez — University of Granada Natalia Reiter — University of Texas Health Science Center Chunhua Zhao — Nanjing Agricultural University Wei Wei — Zhejiang University Dun-Xian Tan — University of Texas Health Science Center Russel Reiter — University of Texas Health Science Center Javier Martinez — University of Granada Ana Cano — University of Granada Chao Zhao — Nanjing Agricultural University Fang Fang — Nanjing Agricultural University Xinyue Wang — South China Botanical Garden Maria Reiter — University of Texas Health Science Center Sergey Kvetnoy — Russian Academy of Sciences Jian-Kang Zhu — University of California, Riverside Fanyue Meng — Zhejiang University Guang-Yu Chen — Zhejiang University Shuang-Qing Peng — South China Agricultural University Debabrata Chattopadhyay — Bose Institute Iwona Zielenkiewicz — Polish Academy of Sciences Yali Zhang — Zhejiang University Xiaohong Zhu — South China Botanical Garden Fang Fang — Nanjing Agricultural University Yi Li — Zhejiang University Rafael Guerrero — University of Granada Juan Pablo Martínez — University of Granada Russel Reiter — University of Texas Health Science Center Dun-Xian Tan — University of Texas Health Science Center Javier Martinez — University of Granada Ana Cano — University of Granada Natalia Reiter — University of Texas Health Science Center Maria Reiter — University of Texas Health Science Center Chao Zhao — Nanjing Agricultural University Wei Wei — Zhejiang University Chunhua Zhao — Nanjing Agricultural University Guang-Yu Chen — Zhejiang University Fanyue Meng — Zhejiang ...
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    5 min
  • Are Soilless Crops Artificially Flavoured? Hydroponics Myth Busted

    Are Soilless Crops Artificially Flavoured? Hydroponics Myth Busted
    Dec 22 2025

    Host Dr. Russell Sharp tackles a Twitter claim that hydroponic crops lack micronutrients and are artificially flavoured, explaining why those assertions are incorrect and how micronutrient levels can be measured (e.g., atomic absorption spectroscopy).

    He reviews research on manipulating flavor through nutrient levels, light, and biostimulants, notes the limited and mixed evidence, and concludes there is no solid proof of intentional artificial flavouring in hydroponic produce; soilless systems can match or even enhance some flavour-related compounds.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

    Gary Reineccius — University of Minnesota Andrew Taylor — University of Nottingham Russell Keast — Deakin University Charles Spence — University of Oxford Harrison Schmitt — Virginia Tech Morten Møller — University of Copenhagen John Hayes — Penn State University Qian Janice Wang — Aarhus University Marcia Pelchat — Monell Chemical Senses Center Barry Smith — University of London

    Linda Bartoshuk — University of Florida Paul Breslin — Monell Chemical Senses Center Danielle Reed — Monell Chemical Senses Center Barry Green — Monell Chemical Senses Center Thomas Hummel — Technical University of Dresden Alan Hirsch — Smell & Taste Treatment and Research Foundation Susan Schiffman — Duke University Molly Birnbaum — Freelance Food Writer Harold McGee — Freelance Food Writer Kantha Shelke — Corvus Blue

    Tim Hanni — Master of Wine Institute Geoffrey Talavera — Freelance Flavor Consultant Peter Schieberle — Technical University of Munich Thomas Hofmann — Technical University of Munich Corinna Dawid — Technical University of Munich Veronika Somoza — University of Vienna Morten Andersen — University of Copenhagen Christophe Lavalle — AgroParisTech Stéphane Guichard — INRAE Thierry Thomas-Danguin — INRAE

    Erich Leitner — Graz University of Technology Hans-Georg Schmarr — University of Hohenheim Elke Pawelzik — University of Göttingen Michael Witting — Helmholtz Zentrum München Ralf Zimmermann — University of Rostock Francesco Capozzi — University of Bologna Giovanni Capuano — University of Naples Federico II Maurizio Servili — University of Perugia Rosa Lo Scalzo — CREA Italy Paolo Masella — University of Parma

    Fidel Toldrá — Instituto de Agroquímica y Tecnología de Alimentos María Dolores del Castillo — Spanish National Research Council Dolores Coreta-Gomis — University of Valencia Juan Fernández-García — University of Granada Ana Bayarri — University of Valencia Marta Corredig — Aarhus University Marina Heinonen — University of Helsinki Anu Hopia — University of Turku Kees de Graaf — Wageningen University & Research Gerry Barker — University of Leeds

    Jean-Marie Lehn — Max Planck Institute for Polymer Research Wilfried Meyerhof — German Institute of Human Nutrition Maik Behrens — German Institute of Human Nutrition John Prescott — University of Otago Anna M. Di Monaco — University of Naples Federico II Catherine Barry — University College Dublin Aurelio Lopez-Malo — Universidad de las Américas Puebla Rosario Zamora — Institute of Advanced Chemistry of Catalonia Isabel Hernando — Polytechnic University of Valencia Dolores Torres — University of Zaragoza

    Jean-Pierre Cotter — International Organization of the Flavor Industry Robert Hall — Flavor and Extract Manufacturers Association Hervé This — AgroParisTech Arielle Johnson — Independent Flavor Researcher Dave Arnold — Museum of Food and Drink Ali Bouzari — Pilot R&D Peter Barham — University of Bristol François Chartier — INRAE Gérard Trystram — AgroParisTech
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    5 min