On Sun, 3 Feb 2008 23:52:06 -0800 (PST), Mycoloteur
gmail.com> wrote:
>On Feb 3, 10:35 pm, jack sprat nowhere.com> wrote:
>> On Sun, 18 Nov 2007 17:02:07 -0600, Mike Ross
>>
>>
>>
>>
>>
>> REMOVEcomcast.net> wrote:
>>>Due to the summer heat in my attic, I tried to initiate flowering
by
>> having
>>>the lights on 11 hrs at night, and off 13 hrs during the day,
hoping
>> to
>>>keep the peak temperatures down.
>>
>>>4 weeks of this lead to absolutely no flowering! They didn't even
>> begin
>>>flowering until 2 weeks after they went to the big bed, which is
on
>> 12 hrs
>>>during the day. Messed up my schedule big time.
>>
>>>The next batch was flowered with a normal day cycle, and flowered
>> well at 2
>>>weeks, so I'm lead to believe that light and heat periods should
be
>>>aligned, or that heat during the dark period prevents the
flowering
>>>hormones from developing. So make sure the cool period comes at
>> night.
>>
>>>-mikey
>>
>> I also use a night time lighting scheme to prevent overheating in
the
>> summer and underheating in the winter. It gets up to 100 in my
>> location in the summer. I've flowered s few plants in the last 32
>> years, and I've only seen two things prevent plowering. Once the
timer
>> broke, and the lights were on 24 hours: the other time, I had the
>> system on 6 hours on - six hours off to test if it was the length
of
>> the dark time, or the total of the dark hours, that cause
flowering.
>> Point being, as I discovered after doing that, the only thing that
>> prevents flowering is not enough continuous dark time. Heat won't
>> prevent flowering unless it kills your plants. I'd suggest either
your
>> timer was busted, or you had a large light leak, maybe for only a
few
>> minutes a day, but big enough to do the job. If the dark period is
cut
>> in two by a period of light, that is enough to stop flowering
>> completely.
>>
>> As the other poster mentioned, moonlight levels aren't enough. But
a
>> daytime sunshine leak in the roof that hit your light shielding in
>> just the right place to penetrate through a crack, that would do
it.
>
>Thanks for the observations.
>
>Your position closely aligns with mine. I have never seen it either,
>but I have heard of other suggestions that heat interferes. If
nothing
>else, high temps would - as a product of normal chemistry - increase
>the rate at which our light sensitive hormone is destroyed. So it
>might lower the threshold. If the strain is light picky, well. Seems
>plausible to help reconcile the differences.
>
>Love and Light
Well, I did keep a good fan going, pumping air through the setup, to
prevent bud rot, so, did the plants by any chance cease growing
completely?