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Amazon Shop for: Hydroponics Supplies, Psychotria Viridis, Salvia

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OfflinePsiloman
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JL Husdson's How To Germinate Seed +Some other resources
    #4045816 - 04/12/05 02:48 PM (11 years, 7 months ago)

This is quite a gem when it comes to seed sowing and germination and i would like to share it with you...

Are you having trouble germinating those Psychotria Viridis seeds? Do you think they are "too old" to germinate,thus usefull? You might be mistaken!

Quote:

Gibberellic Acid-3 (GA-3)

GA-3 is a naturally occuring plant growth regulator. Presoaking seeds in GA-3 will often cause rapid germination of many highly dormant seeds that would otherwise require cold, aging, light, or other prolonged treatments. Many different types of dormancy are overcome. You may buy our 'GA-3 Primed' seed which are ready to plant, or the GA-3 powder or one of our kits. GA-3 is safe, easy to use, economical and rapidly becoming a standard tool for germinating seeds.



Warm Moist Treatment: Many seeds need 1-4 months of warm moist treatment, followed by cold treatment to sprout. In some, the root sprouts during the cold period, but the shoot does not sprout until after a cold period (epicotyl dormancy). Called 'two-step' germinators by Deno. Some of these have unformed embroyos which must first develop at warm temperatures. Some seeds are '70 - 40' germinators, which need warm moist, then cold moist, and germinate at cold temperatures. Some tropicals which are slow to germinate (many palms and aralias) need prolonged warmth to first develop their embroyos. Many seeds are 'multi-cycle' germinators, needing several cycles of cold and warm periods.


SOAKING, WASHING, or LEACHING: Many seeds contain germination inhibitors which in nature prevent the seed from germinating except for during the wet season (tropicals) or only after sufficient rain has fallen (desert plants). Soaking the seed in shallow water and changing every day for several days will leach out inhibitors. Heavy daily waterings of pots may work. Some have oily coats and need detergent or peroxide soaks.


LIGHT or DARKNESS: Some seeds need light to germinate; others need darkness, and light prevents sprouting. If light is required, sow on the surface; if darkness is needed, cover seed well.


OSCILLATING TEMPERATURES: Some seeds need the daily change from warm to cold that occurs in spring and fall, and they germinate best sown in pots and exposed to outdoor conditions.


OTHER TREATMENTS: Soaking seed in potassium nitrate (KNO3), hydrogen peroxide (H2O2), citric acid, sodium hypochlorite (bleach), smoked solution, charred wood leachate, or enzyme solutions have all been used to trigger germination of seeds. Get our Gibberellic Acid Information Sheet for brief tips on experimenting with these treatments




The article can be found here : http://ethnobotany.yage.net/seeds.html

A very interesting page with lots of information on seeds and their germination can be found Here : http://www.uni.edu/darrow/new/hydroponics/germination.html

Germinate and enjoy!


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InvisibleStonehenge
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Re: JL Husdson's How To Germinate Seed +Some other resources [Re: Psiloman]
    #4045965 - 04/12/05 03:12 PM (11 years, 7 months ago)

Yeah, he's really keen on ga3. It never worked for me but I hear you have to know the exact amount to use with each species and many don't respond to it. As for psychotria, it may help but I've not found a shortcut for germing those.


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OfflinePsiloman
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Re: JL Husdson's How To Germinate Seed +Some other resources [Re: Stonehenge]
    #4045998 - 04/12/05 03:18 PM (11 years, 7 months ago)

GA3 can also induce flowering in many species...That would be interesting with salvia


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InvisibleSolanaceae
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Re: JL Husdson's How To Germinate Seed +Some other resources [Re: Psiloman]
    #11728500 - 12/27/09 11:04 PM (6 years, 11 months ago)

I have been using GA-3 for about a decade now. It can really work wonders with old seed, or with species that have tough dormancy requirements.

I always keep a few dilutions of various strength on hand, which I keep in amber dropper bottles and refrigerated. I typically use 500 ppm dilutions, but also keep stock solutions of 100, 250 and 1000 ppm on hand. With a little experience, one can easily determine if he used too strong of a solution as the seedlings will be elongated and spindly.

I have used GA-3 to germinate a collection of 15 year old collection of Hyoscyamus boveanus seeds! Most recently, I used a 500 ppm GA-3 solution to germinate a small batch of Mandragora autumnalis seeds (1 to 3 years old collections), with the first germinations beginning in the second week! If you have ever tried growing Mandrakes from seeds, you will know that is amazing.

Amazing stuff.


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OfflineCactusdan
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Re: JL Husdson's How To Germinate Seed +Some other resources [Re: Solanaceae]
    #11728692 - 12/27/09 11:37 PM (6 years, 11 months ago)

4 year old thread mate.

No need to bump it.


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Mushrooms, Mycology and Psychedelics >> The Ethnobotanical Garden

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