{"product_id":"gibberellic-acid-ga-0-5-g-seed-dormancy-breaker","title":"Gibberellic Acid (GA₃) – 0.5 g – Seed Dormancy Breaker","description":"\u003ch1\u003eGibberellic Acid (GA₃) – 0.5 g – Seed Dormancy Breaker\u003c\/h1\u003e\n\u003cp\u003eGibberellic Acid (GA₃) is a naturally occurring plant hormone that plays a key role in breaking physiological dormancy, stimulating embryo growth, and initiating germination in slow, dormant, or hard-to-germinate seeds. It is frequently used in place of long stratification periods or combined with warm\/cold treatments to achieve faster and more uniform germination.\u003c\/p\u003e\n\u003cp\u003eThis vial contains \u003cstrong\u003e0.5 g of GA₃\u003c\/strong\u003e, enough to prepare \u003cstrong\u003e1 litre of 500 ppm solution\u003c\/strong\u003e, suitable for all applications listed below.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eMixing Instructions (Standard 500 ppm Solution)\u003c\/h2\u003e\n\u003cp\u003eUse \u003cstrong\u003ethe full vial (0.5 g)\u003c\/strong\u003e and dissolve into \u003cstrong\u003e1 litre of water\u003c\/strong\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eApplications Using a Standard 500 ppm Rate\u003c\/h2\u003e\n\u003cp\u003eThe following treatment types are commonly used for different seed dormancy mechanisms. All use \u003cstrong\u003e500 ppm GA₃\u003c\/strong\u003e for simplicity and consistency.\u003c\/p\u003e\n\u003ch3\u003e1. Pre-Soak Treatment (Before Sowing)\u003c\/h3\u003e\n\u003cp\u003eUsed for seeds with hard coats or seeds that germinate slowly due to weak endogenous gibberellin signalling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProcedure:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOptional: Light scarification or abrasion if the species is known for hard coats.\u003c\/li\u003e\n\u003cli\u003eSoak seeds in \u003cstrong\u003e500 ppm GA₃ for 24 hours\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSow immediately after soaking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCapers\u003c\/li\u003e\n\u003cli\u003eJujube\u003c\/li\u003e\n\u003cli\u003eSea Buckthorn\u003c\/li\u003e\n\u003cli\u003eMany hard-coated exotic and subtropical species\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurpose:\u003c\/strong\u003e\u003cbr\u003eEnhances embryo expansion, improves initial water uptake, and provides the hormonal cue for radicle emergence.\u003c\/p\u003e\n\u003ch3\u003e2. Warm-Soak + GA₃ Treatment\u003c\/h3\u003e\n\u003cp\u003eUsed for species requiring heat exposure before germinating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProcedure:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWarm-water soak for 24 hours (hand-warm, not boiling).\u003c\/li\u003e\n\u003cli\u003eFollow with a \u003cstrong\u003e500 ppm GA₃ soak for 24 hours\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSow immediately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrelitzia (Bird of Paradise)\u003c\/strong\u003e – Scarify → 24 h warm soak → 24 h in GA₃\u003c\/li\u003e\n\u003cli\u003eOther tropical species with heat-triggered dormancy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurpose:\u003c\/strong\u003e\u003cbr\u003eCombines thermal softening of the seed coat with hormonal signalling to begin cell elongation.\u003c\/p\u003e\n\u003ch3\u003e3. Post-Cold Stratification Soak\u003c\/h3\u003e\n\u003cp\u003eFor seeds needing winter simulation followed by a germination cue.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProcedure:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete cold stratification (commonly 60–120 days at 4–5 °C).\u003c\/li\u003e\n\u003cli\u003eAfter removing seeds from the fridge, soak in \u003cstrong\u003e500 ppm GA₃ for 24–48 hours\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSow immediately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePawpaw (Asimina triloba)\u003c\/strong\u003e – After 90+ days stratification\u003c\/li\u003e\n\u003cli\u003eTemperate species with deep physiological dormancy\u003c\/li\u003e\n\u003cli\u003eSeeds with inconsistent germination after stratification alone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurpose:\u003c\/strong\u003e\u003cbr\u003eProvides the hormonal signal normally triggered by spring warming, helping seeds transition from dormancy to active growth.\u003c\/p\u003e\n\u003ch3\u003e4. Recovery Treatment for Older or Low-Vigour Seeds\u003c\/h3\u003e\n\u003cp\u003eUsed when seeds are old, partially viable, or show low germination rates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProcedure:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSoak seeds in \u003cstrong\u003e500 ppm GA₃ for 24–48 hours\u003c\/strong\u003e before sowing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAged seed lots\u003c\/li\u003e\n\u003cli\u003eSlow or uneven germinators\u003c\/li\u003e\n\u003cli\u003eSeeds with reduced endogenous gibberellin levels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePurpose:\u003c\/strong\u003e\u003cbr\u003eHelps compensate for reduced natural hormone levels in older seeds and improves the chance of germination.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eComposition\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGibberellic Acid (GA₃), ≥ 90% purity\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSafety Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFor horticultural use only.\u003c\/li\u003e\n\u003cli\u003eAvoid contact with eyes and prolonged contact with skin.\u003c\/li\u003e\n\u003cli\u003eWear gloves when handling.\u003c\/li\u003e\n\u003cli\u003eDo not ingest.\u003c\/li\u003e\n\u003cli\u003eStore sealed in a cool, dry, dark place.\u003c\/li\u003e\n\u003cli\u003eKeep away from children and pets.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rasmussen Gardens","offers":[{"title":"Default Title","offer_id":47874779054231,"sku":null,"price":5.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2828\/4311\/files\/Gibberellic_Acid_GA__05_g__Seed_Dormancy_Breaker_8ac2999d-e877-4a0f-a91d-f36c01bcfe2d.png?v=1781516865","url":"https:\/\/junglestory.co.nz\/hi\/products\/gibberellic-acid-ga-0-5-g-seed-dormancy-breaker","provider":"Jungle Story ","version":"1.0","type":"link"}