MMPHILLIPS at ALEX.STKATE.EDU wrote:
>> I'm in the midst of teaching about plant hormones in my botany class
> and they have again stumped me with a question about the finer details of
> the current topic. (And since I'm a plant ecologist only superficially
> trained in plant physiology and biochemistry, I am stumped more often
> than I'd like). The latest question is:
>> Why do normal or wild-type plants generally NOT respond to
> exogenous applications of gibberellins?? especially given the
> fact that this hormone was discovered because of the effect of
> fungal gibberellin on rice seedlings. What's the difference
> between gibberellin due to fungal infection and that applied by
> a human investigator? Or were the rice varieties affected dwarf
> varieties?
>> I'd appreciate any light you can shed on the finer points of the action
> of gibberellins.
>> Thanks,
> Martha Phillips
> Biology Dept.
> College of St. Catherine
> St. Paul, MN 55105
>mmphillips at alex.stkate.edu
I suggest that you post your inquiry to the plant hormones email group
http://www.plant-hormones.bbsrc.ac.uk/
regards
Joel Kroin
--
****************** Hortus USA Corp. *****************
PO Box 1956 Old Chelsea Station, New York NY 10113 USA
Rhizopon AA Dry Powders & Tablets for Solutions
Plant Growth Regulator-Rooting Hormones
**************** hortus at worldnet.att.net **************