Re: CULT: vernalization


Bill Shear wrote:
> 
>>
> >Hi Bill,
> >
> >Could you amplify what is meant by vernalization please.
> 
> 
> In the particular application to I. versicolor, it may be (repeat, may be)
> that there is such a requirement.  Thus plants of versicolor or any other
> iris kept growing and warm all winter would not flower the following
> spring, having missed their chilling period.

My I. versicolor bloomed this spring after a very warm 
(even for Los Angeles) winter.

> You may have had the experience of buying chyrsanthemum plants in the
> spring and having them flower almost immediately.  I'm not sure I remember
> the correct explanation for this, but it seems to be related to
> vernalization.  Can anyone help on the chrysanthemum question?

My impression is that they need cool nights and a 
certain length of daylight.

Gerry, who won't mention seeing a picture of the sea bird 
mentioned a lot in this list recently landing on one of 
those things floating in the ocean to mark sea lanes. 
It was titled "Buoy Meets Gull"
-- 
gcsnyd@loop.com    AIS Region 15
Warm, winterless Los Angeles
President of San Fernando Valley Iris Society
My work?  Helping generate data for http://www.jpl.nasa.gov/galileo



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