Now I think I know why all Zantedeschia plants
bought in pots in florist shops with many inflorescences died shortly after
These pot plants must have been treated with GA3,
they had more inflorescences than leaves, just to be a decoration for a few
They had a lot of flowers, but no tubers, when
the overground parts withered there was nothing in the pots
except the peat.
Zantedeschias I buy as garden plants with huge
tubers behave differently.
They produce one or a few inflorescences
during summer and their tubers grow and divide.
Thanks for this info, I haven't known
P.S. A tuber is not a form of a root, but a form of
----- Original Messag
Sent: Saturday, August 01, 2009 12:34
Subject: Re: [Aroid-l] gGbberellic acid
and inflorescence production
|Use caution with this if you care to experiment. GA3
retards root growth and will kill your tubers/rhizomes if it comes in
contact with them. Do not use on amorphophallus unless its a variety
that can grow a leaf and an inflorescence at the same time but dot
expect much tuber growth as GA3 retards that also because is a form of a
I've been using plant growth hormones for years. If you
want to noticeably increase tuber growth then wait until the tuber has
formed a leaf and the leaf is fully open and established. Then pour a
100-150ppm solution at the base of the plant avoiding the leaf,a higher
ppm is not better, it will cause the plant to do different things. Just
do this one time during the season and apply high phosphate or bone meal
fertilizer. Keep in a hot and humid shaded greenhouse for optimal
results. Using this method, I made a 2lb konjac grow into a 7lb monster
in one season. The next year it gave me a perfect flower of specimen
quality. Which Ive posted pictures of here in the past.
year Im doing this too all my tubers
On Fri, 7/31/09, ExoticRainforest
[Aroid-l] gGbberellic acid and inflorescence production
"Discussion of aroids" <firstname.lastname@example.org>
July 31, 2009, 9:34 AM
Marc! I'm always glad to see your posts on Aroid
Marc Gibernau wrote:
Yes gibberellic acid has been "intensively" used to induce the
production of an inflorescence with aroid. See all the work of henny
I wanted to try but never have time, so please
keep me informed.
Here is the list of some papers by
J. 1980. Gibberellic acid (GA3) induces flowering in
Dieffenbachia maculata 'Perfection'. HortScience 15(5): 613.
Henny, R. J. 1981. Promotion of
flowering in Spathiphyllum 'Mauna Loa' with Gibberellic
Acid. HortScience 16(4): 554-555.
Henny, R. J. 1983. Stimulation
of flowering in Aglaonema with gibberellic acid (GA3).
Aroideana 6(3): 71-72.
Henny, R. J. 1983. Flowering of
Aglaonema commutatum 'Treubii' following treatment with
gibberellic acid. HortScience 18(3): 374.
Henny, R. J. and W. C.
Fooshee. 1983. Flowering of Aglaonema with gibberellic acid
(GA3). A follow-up report. Aroideana 6: 135-136.
Henny, R. J. and
R. L. Hamilton. 1992. Flowering of Anthurium following
treatment with gibberellic acid. HortScience 27(12): 1328.
R. J. 1999. Gibberellic acid-induced flowering of Syngonium
podophyllum Schott 'White Butterfly'. HortScience 34(4):
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