Use of gibberelic acid

carlos_asut(8b)June 25, 2002

Does anyone of you guys have any experience using gibberelic acid (ProGibb) to control bolting?

Specifically I want to control bolting in basil and in spiny coriander.


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albert_135(Sunset 2 or 3)

I have heard of use of gibberelic acid to INITIATE (cause) bolting, mostly in artichoke production and in the production of long stem flowers for cutting. Search for +gibberellic +bolting.

    Bookmark   July 5, 2002 at 5:06PM
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I have read of using it prior to Camellia Blooming in the fall...

    Bookmark   July 10, 2002 at 12:01AM
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marshallz10(z9-10 CA)

I haven't heard about using gibb to stop flowering or shoot extension. There are other chemicals on the markets for non-edible plants, materials meant to dwarf plants.

Coriander (cilantro) readily goes to flowering and seeding; however, in the US there are cultivars with names such as "Slo-bolt" (Johnny's Sel. Seeds) reputed to be slower to bolt.

I grow nine kinds of basil. All will start flowering early if stressed by climatic or watering extremes. I try to start them off well and pinch terminals starting when the plants are small so as to increase branching. I find the flavor of annual basils (Genovese, Neopolitino, Monstuoso, the various reds, and the licorice to be best at flowering. The perennials tend to be much stronger-flavored and seem to want to drop leaves as they go into flowering. But this last observation is preliminary. I am in my second year of side-by-side trials.

    Bookmark   July 11, 2002 at 10:16PM
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JJeane(7/N Ga)

The American Camellia Society sells gib kits and has information about using gib for earlier, larger camellia blooms.

Here is a link that might be useful: American Camellia Society

    Bookmark   April 29, 2003 at 7:49PM
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There is a Gibberellic Acid (GA3) FAQ and ordering information at

    Bookmark   February 4, 2004 at 12:13AM
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sleeplessinftwayne(z4-5 IND)

The best way to prevent bolting is to pinch back often.-Sandy

    Bookmark   February 11, 2004 at 4:57PM
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dilbert(z5 IL)

The commercial growth regulator, Arest, is a gibberellin antagonist, but it is not for use on food crops.

    Bookmark   November 5, 2004 at 7:45PM
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albert_135(Sunset 2 or 3)

You might want to try Googles new beta product and search for +gibberellic +bolting

Here is a link that might be useful:

    Bookmark   November 23, 2004 at 1:51PM
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I think gibberellic acid is more likely to cause bolting rather than stop or slow it down. Kinetin might help as it encourages side growth as opposed to strong central growth . I would try 80ppm.

    Bookmark   December 15, 2013 at 10:46PM
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