|
![](/i/fill.gif) |
John VanSickle nous illumina en ce 2008-09-13 23:30 -->
> Jim Holsenback wrote:
>> Howdy,
>>
>> Yikes ..... summer just didn't seem long enough. Last evening temp got
>> down to 3.8C and the Canada geese are on the move. We've had a REALLY
>> damp summer so maybe the fall colors will give us some extra eye candy.
>
> You get extra fall colors from lots of sugar (glucose, really) in the
> leaves just as they die for the winter. You get lots of glucose in the
> leaves from lots of sunlight.
>
> If it's not sunny when the leaves start their annual change, they won't
> be too colorful.
>
> Regards,
> John
The fall leaves colour also depend on the mineral salts present in them.
--
Alain
-------------------------------------------------
Zen Buddhism: Shit is, and is not.
Post a reply to this message
|
![](/i/fill.gif) |