Hope This Isn't a 'Why is There Air?' question

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Posted by arbo_retum z5 ,WinchstrMA (My Page) on

Sat, Sep 26, 09 at 19:22

I have no botany training and after coming up with this question many years ago, I am now finally daring to ask it
in public.I have noticed over the years that certain varieties of cut flowers keep flowering MUCH longer than other varieties in the same arrangement. I am thinking of alstromaeria, daisies, hypericum berries.Is there a known reason for this?a particular vascular system or stem makeup, place of origin?
I know this could be a "Why is There Air?" type question but I am secretly holding out hope for an answer.

Th much for your help/tolerance with this one!
best,
mindy

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RE: Hope This Isn't a 'Why is There Air?' question

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Posted by brandon7 6b (like 7b now) TN (My Page) on
Mon, Sep 28, 09 at 12:04

The answer(s) can be quite complex depending on how in depth you want to go, but, very generally speaking, genetic programming (genes, hormones, etc) is the key factor. Below is a link to the results of one study that will shed a little light on some of the factors. Much more can be found by googling 'flower senescence'.

Here is a link that might be useful: Bulb-type Flower Senescence Study

brandon

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Posted by arbo_retum z5 ,WinchstrMA (My Page) on
Sun, Oct 11, 09 at 0:25

brandon, thanks so much for this. i now have on my research hat, thanks to you!
best,
mindy

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