North American Fruit Explorers mailing list at ibiblio

[Lon Rombough <lonrom@hevanet.com>]

Close.  GA increases berry size, but not set, in grapes.  It can also be used to "loosen" tight clusters by elongating the cluster and berry stems.  It's a matter of timing.
-Lon Rombough
Grapes, writing, consulting, my book, The Grape Grower, at http://www.bunchgrapes.com  Winner of the Garden Writers Association "Best Talent in Writing" award for 2003.
On Dec 13, 2004, at 12:30 PM, Rodney Eveland wrote:

I understand that many seedless grapes are sprayed with gibberellic
acid to get a profitable crop.