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

arbo_retum(z5 ,WinchstrMA)September 26, 2009

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!



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brandon7 TN_zone(7)

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

    Bookmark   September 28, 2009 at 12:04PM
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arbo_retum(z5 ,WinchstrMA)

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

    Bookmark   October 11, 2009 at 12:25AM
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