Re: CULT: TB: Leaf operation question


Connie,

I am not sure that plants collect water through their leaves. I'm no 
botanist, but I thought that the leaves actually released water into the 
air that was collected in the roots and pumped up to the foliage.

Bill Wells





Connie George wrote:

> Hi Listers,
>
>       I have been following the thread about the different size of the 
> rhizomes
> on the West coast verses those we are able to grow here on the East 
> coast. I
> have an hypothesis as to the reason. The idea comes from the following 
> facts
> that I have picked up from you and books on plants.
>
>       1. East is more humid than the West.
>       2. Humidity at night in East reaches close to 100% by dawn.
>       3. Humidity drops during the day to around 30 or 25% and begins 
> to increase
> with the setting of the sun.
>       4. Moisture of the soil is higher in the shaded areas.
>       5. Plants collect food during the day and do most of their 
> growing at
> night.
>       6. Outer leaves fall over during the growth cycle as the inner 
> leaves
> increase in size.
>       7. Bearded Iris are desert surviving plants.
>
>       Conclusions:
>       1. Plants use roots to collect water from the soil and the leaves to
> collect water from the air.
>       2. Plants go dormant in the summer heat, based upon how much 
> water they are
> able to collect during the daily growth cycles.
>       3. If the plant is able to collect more water through the leaves 
> than
> through the roots, then the rhizome does not need to store as much 
> water for
> the nightly growth cycle.
>
>       Hypothesis:
>       The availability of air moisture as well as soil moisture in the 
> east,
> suggests that the plant does not need to store as much water in the leaves
> for survival. Thus, the size of the rhizome is in direct correlation 
> to the
> amount of moisture available in the air verses the soil.
>
>       Also, do the bearded irises seem to have more problems with rot 
> if they are
> watered in the evening versus the morning either by us or nature?
>
>       What do you think?
> Connie
> z7 Chesterfield VA
> member AIS, RIS, and CVIS
>
>
>
>
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