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It is a tricky question. gibberelic acid is considered organic by OMRI provided it is produced by fermentation and not by synthetic methods. It depends on the definition of organic. If you use it well within the limits. It should be safe but Is it "organic".. cant say!
Allowed with Restrictions
Class: Crop Pest, Weed, and Disease Control Origin: Nonsynthetic
Description: Acceptable if made from a fermentation process and not fortified with prohibited synthetic substances. Fermentation process must not use genetically modified organisms. See also GROWTH REGULATORS FOR PLANTS. May be used as a pesticide if the requirements of 205.206(e) are met, which requires the use of preventative, mechanical, physical, and other pest, weed, and disease management practices.
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