plants that NEED an atmospheric pressure change??

Thu, 11 Sep 2008 16:40:36 PDT
----- Original Message ----- 
From: "Adam Fikso" <>
To: <>
Sent: Thursday, September 11, 2008 2:51 PM
Subject: [pbs] plants that NEED an atmospheric pressure change??

> Hello All,. Mary Sue's last post caught my eye re the above.  Is this a 
> known , for-sure fact for any plants?  It's totally new to me although I've 
> wondered about it from time to time. Any data-based responses are welcome. 
> Adam in Glenview, IL. USDA 5a (sort of) 

I think there may something to this.

In the past when we've discussed how rainfall prompts blooming in otherwise well-watered bulbs, I don't recall this element being mentioned. I do hope there is some research about this.

Another thought: After watching a program regarding rain, one thing that stood out to me was the fact that each raindrop forms around a bit of "dust" and that rain isn't necessarily pH neutral. Acid rain etc. Then I thought about the recommendation of foliar feeding of Crinums to help with blooming. Hmmm... Rain as a natural foliar feeding?


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