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Cannabis Cultivation and Science PodcastAuthor: Tad Hussey
Welcome to the Cannabis Cultivation and Science podcast, Im your host, Tad Hussey of KIS Organics. This is the podcast where we discuss the cutting edge of organic growing from a science based perspective and draw in top experts from around the industry to share their wisdom and knowledge. If you want to hear the latest in growing technology and methods, this is the place.. Language: en Genres: Home & Garden, Leisure, Natural Sciences, Science Contact email: Get it Feed URL: Get it iTunes ID: Get it |
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Episode 150: Plants Under Pressure: How Stress Shapes Secondary Metabolites (w/ Dr. José Leme)
Episode 148
Wednesday, 20 August, 2025
Can stress actually improve flower quality? In this episode, I sit down with Dr. José Leme to dive into the science of plant stimuli and how growers can apply it in practice. We cover:🌿 Mechanical cues — how super cropping and vibration trigger plant defense pathways.💧 Water restriction — why moderate, timed drought can shift carbon toward secondary metabolites like terpenes and cannabinoids.🧪 Jasmonates (MeJA) — when they increase trichome density, and what trade-offs you need to consider.🔬 Trichome measurement pitfalls — why bracts are the gold standard for consistent data.🌱 Propagation & trial design — the importance of clonal fidelity and standardized protocols when testing stress strategies.Dr. Leme and I also highlight practical guardrails for growers: cultivar differences, timing, and the “sweet spot” between beneficial stress and damaging stress.📄 Referenced Studies:Water Deficit Stress and Secondary MetabolitesJasmonates in Growth, Trichomes, and CannabinoidsMetabolic Responses to Water DeficitTrichome Sampling & Quantification MethodsTrigonelline as a Biomarker for Drought Stress (Preprint)Propagation & Clonal Fidelity in Cannabis ResearchAdditional vibration study discussed in the episode.🎧 Whether you’re a grower, consultant, or researcher, this conversation will give you a framework for using stress not as a risk—but as a precision tool to enhance plant quality.
