Re: Re: CULT: Growing Iris South Florida
iris@hort.net
  • Subject: Re: Re: CULT: Growing Iris South Florida
  • From: P* <4*@rewrite.hort.net>
  • Date: Thu, 13 Nov 2014 19:50:58 -0500
And overdue thanks Chuck. I'll read that article too.

Shaub Dunkley

On 11/10/2014 7:04 PM, Chuck Chapman wrote:
Look at my article "Plant Maturity, Temperature, and Rebloom" in April 2010 AIS Bulletin.
The increase on your germanica occur after central fan dies. It represses growth of increases while it is vegetative state. Can't repress after it dies. Called apical dominance. With your example, this is a maladaptive state. Unable to receive appropriate and needed environmental signals.
Many of your questions can't yet be answered. But no connection between rebloom and plant survival. signals precede rebloom, where environment enables them.
There are people breeding for rebloom in warm climates, Linda was talking about who has been active in discussion.
No photoperiod triggers in iris, just cold signals. Aphylla has endo-dormancy, almost all others have eco-dormancy. 

Chuck Chapman






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