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#1
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Autumn leaves
Despite the fall in temperature and the pretty severe gales we've had, oak
and beech trees around here still have many leaves on and plenty of them are still fairly green. What about other parts of the country? We still haven't had a frost here and today has got warmer but yes, it's lashing with rain again! -- Sacha www.hillhousenursery.co.uk South Devon (remove the weeds to email me) |
#2
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Autumn leaves
"Sacha" wrote in message .uk... Despite the fall in temperature and the pretty severe gales we've had, oak and beech trees around here still have many leaves on and plenty of them are still fairly green. What about other parts of the country? We still haven't had a frost here and today has got warmer but yes, it's lashing with rain again! -- Sacha www.hillhousenursery.co.uk South Devon (remove the weeds to email me) We've had only one morning when the windscreen of my car was frosted - and then it was fairly half hearted. Chris S in wet & windy Aberdeen |
#3
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Autumn leaves
In article , Sacha
writes Despite the fall in temperature and the pretty severe gales we've had, oak and beech trees around here still have many leaves on and plenty of them are still fairly green. What about other parts of the country? We still haven't had a frost here and today has got warmer but yes, it's lashing with rain again! At Norwich, it is a very mild day, windy and wet. Last night was dreadful, the roof creaked all night; I suppose it could be the vermin but after a glass of wine, I can't tell the difference. The trees have an enormous amount of greenery on them. However, I don't think it is anything to do with weather - correct me if I am being ignorant but don't trees drop their leaves when their produce abscic acid? I am not sure whether it is really known whether this is related to the spectrum of daylight or what - I expect Nick McLaren will know & I look forward to the reply. -- Judith Lea |
#5
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Autumn leaves
In article , Sacha
writes I'm sure Nick or David will be along to tell us - the autumn colour is something to do with sugars, IIRC but I find it interesting that the ash trees have lost their leaves, for example and the oaks and beeches are holding on to them. there's a big difference in the times when trees shed their leaves - whitebeam shed a long time ago, mulberry (which is always very late to come into leaf) is still in full leaf - though yellow up here. The sycamores opposite hold on to their leaves much longer than the horse chestnuts. -- Kay "Do not insult the crocodile until you have crossed the river" |
#6
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Autumn leaves
On 11/11/05 16:08, in article , "Kay"
wrote: In article , Sacha writes I'm sure Nick or David will be along to tell us - the autumn colour is something to do with sugars, IIRC but I find it interesting that the ash trees have lost their leaves, for example and the oaks and beeches are holding on to them. there's a big difference in the times when trees shed their leaves - whitebeam shed a long time ago, mulberry (which is always very late to come into leaf) is still in full leaf - though yellow up here. The sycamores opposite hold on to their leaves much longer than the horse chestnuts. Yes but we can remember 5th November parties when all leaves had gone. These days, they seem to hang on longer and longer! Our young mulberry tree is in the same phase, BTW. -- Sacha www.hillhousenursery.co.uk South Devon (remove the weeds to email me) |
#7
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Autumn leaves
In article , Sacha
writes On 11/11/05 16:08, in article , "Kay" wrote: In article , Sacha writes I'm sure Nick or David will be along to tell us - the autumn colour is something to do with sugars, IIRC but I find it interesting that the ash trees have lost their leaves, for example and the oaks and beeches are holding on to them. there's a big difference in the times when trees shed their leaves - whitebeam shed a long time ago, mulberry (which is always very late to come into leaf) is still in full leaf - though yellow up here. The sycamores opposite hold on to their leaves much longer than the horse chestnuts. Yes but we can remember 5th November parties when all leaves had gone. These days, they seem to hang on longer and longer! Our young mulberry tree is in the same phase, BTW. I think the sequence is much the same, it's just so much later - this year in particular (we've had no frost as yet, and still have healthy nasturtiums - usually the first to go), but most of the recent winters have been mild. -- Kay "Do not insult the crocodile until you have crossed the river" |
#8
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Autumn leaves
In article , Sacha
writes Despite the fall in temperature and the pretty severe gales we've had, oak and beech trees around here still have many leaves on and plenty of them are still fairly green. What about other parts of the country? We still haven't had a frost here and today has got warmer but yes, it's lashing with rain again! At Norwich, it is a very mild day, windy and wet. Last night was dreadful, the roof creaked all night; I suppose it could be the vermin but after a glass of wine, I can't tell the difference. The trees have an enormous amount of greenery on them. However, I don't think it is anything to do with weather - correct me if I am being ignorant but don't trees drop their leaves when their produce abscic acid? I am not sure whether it is really known whether this is related to the spectrum of daylight or what - I expect Nick McLaren will know & I look forward to the reply. -- Judith Lea |
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