Gibberellic acid(GA-3)

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bagpypr Redlands, CA(Zone 10a) Nov 04, 2004

I've recently been playing with GA-3 to stimulate seed germination in a number of cycads. I have a Cerotozamia miquelliana seed that I want to start however after using GA-3 on a Macrozamia communis I've noticed it has a rather distorted look to it. My inquiry is, does GA-3 effect the cellular structure of the plant by elongation and if I use a fern-produced GA- related compound( antheridiogens) will this effect the formation of the plant? I also would like to know if the Deno method (which I am using )or the Bertrand method is more suitable. Thanks for any feedback which you might share- Garth "bagpypr" McG.

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PvillePlanter Pflugerville, TX(Zone 8b) Nov 04, 2004

check out the epa fact sheet

http://www.epa.gov/pesticides/biopesticides/ingredients/factsheets/factsheet_043801.htm

It does seem to indicate that it's growth stimulating properties can have an effect on the shape of the result. and specifically says it does cause elongation.

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