Re: Re: CULT: Shriveled Stem Anomaly

Linda

I find that some cultivars, regularly give me problems. Tends to happen at 
times of rapid bloom stalk growth, wind and sudden temperature changes (i.e. 
spring) but I would say that one of the worst offenders is Scented Bubbles.

Colleen Modra
Adelaide Hills
South Australia

colleen@impressiveirises.com.au
www.impressiveirises.com.au
----- Original Message ----- 
From: "Linda Mann" <lmann@volfirst.net>
To: "iris- talk" <iris@hort.net>
Sent: Monday, May 15, 2006 9:22 PM
Subject: [iris] Re: CULT: Shriveled Stem Anomaly


> With my gravelly soil, drought stress is also a chronic problem here.
>
> How about a combination of drought and cold injury?  Depending on stage
> of development, cold damages the ability of the stem to conduct moisture
> needed for growth?  Maybe sometimes buds are hit, sometimes stems,
> depending on cultivar and timing of events.
>
> Miniaturized stalks and blooms is a more typical response to drought
> stress here, but I will try to pay more attention to the shriveled stems
> & see if they occur more often on cultivars that <don't> produce
> miniaturized stalks and blooms.  Possibly different strategies/responses
> for different cultivars, and if it is, that's something I'd like to be
> aware of when making crosses.
>
> Any of you have shriveled stems and blasted buds available now to see if
> they are on the same cultivars or if a particular cultivar consistently
> has one or the other?
>
> --
> Linda Mann east Tennessee USA zone 7/8
> East Tennessee Iris Society <http://www.korrnet.org/etis>
> American Iris Society web site <http://www.irises.org>
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