Re: CULT: Nebraska summer rot resistance?

Hi Linda,

Rot has not been a big problem for me here in Nebraska.  Of course, it
does occur here, but not often, at least in my experience, so its
difficult to tell which cultivars are more resistant than others.  But,
with all this rain, I will be checking to see if anything succumbs to it
in the next few weeks.  The bigger problem for us here in Nebraska is
Scorch.  This year has been much better (less scorch) than last year,
though.  Last year, I lost about 50 clumps to scorch, even including
about 4 beardless iris clumps.  This year, I have only lost very few to
scorch.  And, with scorch, it appears to be completely at random.  We
have had one clump of a cultivar succumb to Scorch, with another clump
of the same cultivar a few yards away continue growing perfectly
normally.

There are a couple of hybridizers of Tall Beardeds in the Lincoln area.
One is Allan Ensminger.  Allan is well known for his introductions of
variegated (broken color) irises such as Batik and Brindled Beauty and
several others.  He has also done a lot of work in SDB, BBs, and IBs,
and several of those introductions are well known also.  What many
people don't realize is that Allan also introduces wonderful Tall
Bearded irises that are not broken color irises.  Some recent
introductions of these are JOY JOY JOY - white S, royal purple F with a
white rim, GLADYS MY LOVE - a near pink amoena, SOLOMON'S SEAL - a
lovely pale blue S, white F, long violet beards, SINGS SO SOFTLY - S
peach, F amethyst violet & red B.   And Allan is introducing 2 new TBs
this year;  JOHN PAUL JONES - a red, white & blue iris-S blue-violet, F
white, B red and QUITE THE SAME.   QTS is a tongue in cheek name for an
iris that is definitely not quite the same.  It has tri-colored foliage
and a large beautiful blue amoena flower.  It is quite an iris.

Allan believes that his mix of fertilizer is what had nearly eliminated
rot in his beds.  He mixed 10-10-10 fertilizer with equal part of Gypsum
and added some other ingredients for trace elements, etc.  I don't
remember the other additives at the moment.  But he felt that the high
sulfur content in this mix, mostly coming from the Gypsum was what
prevented rot in his beds.  Allan is now 90 years old and has a much
smaller garden, but is still actively hybridizing.

Gary White, Lincoln NE    zone 5


Linda Mann wrote:

>  Gary, it sounds like a hybridizer's paradise <g>.  Great stress test
> for
> rot resistance!
>
> Can you recommend any recent TBs that fluourish under those conditions
>
> (without cheating and treating for rot)?  Any TB hybridizers in the
> Lincoln area who are practicing 'tough love' with their seedlings?
>
> <Gary White Lincoln, Nebraska.  zone 5 where we have had 7" of rain in
>
> the last week after nearly 2 months with only about 1" of water.  When
>
> it rains, it pours!  ;-)>
>
> --
> Linda Mann east Tennessee USA zone 7/8
>
> Tennessee Whooping Crane Walkathon:
> <http://www.whoopingcranesovertn.org>
> American Iris Society web site <http://www.irises.org>
> iris-talk/Mallorn archives: <http://www.hort.net/lists/iris-talk/>
> iris-photos/Mallorn archives: <http://www.hort.net/lists/iris-photos/>
>
>
>
>
>
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