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 Re: Global Warming and Cane
Author: SunnyDaze 
Date:   2022-01-02 02:32

Hi Claus,

That's a really interesting question. I don't actually know if big grasses have annual rings as I've never studied grass anatomy in particular. I could google and find out though.

I had a quick look just now and found several references looking at the effect on Arundo donax of being blown about be the wind.

In this reference here:

https://books.google.co.uk/books?id=-os1kvkFbS0C&pg=PA489&lpg=PA489&dq=annual+rings+in+their+stems+arundo+donax&source=bl&ots=zqob1V_lKE&sig=ACfU3U1eQh8OzvbY-5R_L5x4FHJJcnwG-Q&hl=en&sa=X&ved=2ahUKEwjfifS-yZH1AhVHXsAKHejdDwkQ6AF6BAgtEAM#v=onepage&q=annual%20rings%20in%20their%20stems%20arundo%20donax&f=false


It says a whole bunch about it in the paragraph starting "We now know"

I can't cut and paste from it and it is quite long and detailed, so I'll just leave the link for folks to follow. The summary is that the good stiff reeds have fewer vascular bundles, but that those vascular bundles have a higher proportion of fibrous cells round about them which stiffen the reed. It says that having more vascular bundles is not an advantage.

Vascular bundles are the clumps of drinking-straw-like pipes that run through the grass plant stem. The xylem is the water pipes which allow water from the roots to go up to the leaves. The phloem is the sugar pipe, through which sugar travels down from the leaves to the roots.

This paper here:

https://www.jstor.org/stable/56447

is a study that looks at how much Arundo donax plants get bent when the wind blows and attempts to quantify it. That's a pretty specific kind of project isn't it?
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 Topics Author  Date
 Global Warming and Cane  new
SecondTry 2021-12-31 07:46 
 Re: Global Warming and Cane  new
SunnyDaze 2021-12-31 08:31 
 Re: Global Warming and Cane  new
ruben 2021-12-31 14:13 
 Re: Global Warming and Cane  new
Bob Bernardo 2021-12-31 10:16 
 Re: Global Warming and Cane  new
ruben 2021-12-31 14:04 
 Re: Global Warming and Cane  new
SunnyDaze 2021-12-31 15:56 
 Re: Global Warming and Cane  new
ruben 2021-12-31 17:39 
 Re: Global Warming and Cane  new
SunnyDaze 2021-12-31 15:58 
 Re: Global Warming and Cane  new
seabreeze 2021-12-31 20:39 
 Re: Global Warming and Cane  new
el gitano 2022-01-01 21:20 
 Re: Global Warming and Cane  new
SunnyDaze 2021-12-31 21:52 
 Re: Global Warming and Cane  new
ruben 2022-01-01 02:25 
 Re: Global Warming and Cane  new
SunnyDaze 2021-12-31 21:58 
 Re: Global Warming and Cane  new
seabreeze 2021-12-31 22:55 
 Re: Global Warming and Cane  new
kdk 2022-01-01 03:56 
 Re: Global Warming and Cane  new
seabreeze 2022-01-01 07:56 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-01 12:28 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-01 12:33 
 Re: Global Warming and Cane  new
Slowoldman 2022-01-01 20:14 
 Re: Global Warming and Cane  new
SecondTry 2022-01-01 22:21 
 Re: Global Warming and Cane  new
seabreeze 2022-01-01 22:36 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-02 02:17 
 Re: Global Warming and Cane  
SunnyDaze 2022-01-02 02:32 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-02 02:33 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-02 03:47 
 Re: Global Warming and Cane  new
SecondTry 2022-01-02 08:53 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-02 10:56 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-02 14:21 
 Re: Global Warming and Cane  new
SecondTry 2022-01-02 21:25 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-02 23:42 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-02 23:58 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-03 00:03 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-03 13:55 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-04 14:28 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-04 22:58 
 Re: Global Warming and Cane  new
seabreeze 2022-01-05 00:04 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-05 11:09 
 Re: Global Warming and Cane  new
SecondTry 2022-01-05 21:03 
 Re: Global Warming and Cane  new
seabreeze 2022-01-06 02:05 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-06 02:35 
 Re: Global Warming and Cane  new
SecondTry 2022-01-06 06:04 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-06 15:49 
 Re: Global Warming and Cane  new
ruben 2022-01-06 16:44 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-06 16:47 
 Re: Global Warming and Cane  new
Johan H Nilsson 2022-01-10 14:21 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-11 11:42 
 Re: Global Warming and Cane  new
Bob Bernardo 2022-01-17 08:10 
 Re: Global Warming and Cane  new
SunnyDaze 2022-01-17 19:58 


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