Re: CULT: TB: Leaf operation question
- Subject: Re: [iris-talk] CULT: TB: Leaf operation question
- From: W* W*
- Date: Thu, 01 Aug 2002 06:52:28 -0500
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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