CULT: Borers? Fungus? Help!
- To: iris-talk@onelist.com
- Subject: CULT: Borers? Fungus? Help!
- From: N* J*
- Date: Sat, 08 May 1999 11:58:25 -0600
From: "Nancy Jentzsch" <jentzsch@csn.net>
Dear Friends,
I've been gone from this list for over a year. I found all of you most
knowledgeable and need your help with a problem.
Our irises in Colorado are just beginning to bloom. Several of the plants I
have tenderly nurtured are displaying a problem that is new to me. I've been
battling aphids in this bed for several years. I caught it early this year
and treated with Malathion. Now, as the buds are appearing and getting ready
to break, I find that several irises have buds that have turned light brown,
the outer cover is dry, the flower itself appears 'rotted', the stem seems
pithy, and the surrounding leaves are yellowing and browning from the tip
down.
I have checked my books, particularly The Iris Book by Molly Price, and none
of the descriptions of iris problems seems to fit.
I have 'poked' around the rhisome and it seems healthy.
Any hint you can give me about what is happening and the course of treatment
I ought to pursue would be most welcome. I have at least 20 new irises in
this bed and the entire bed was reworked two years ago (including the
alfalfa tip from this list). The bed was cleaned of all debris last fall and
has been recleaned this spring.
Thank you for any help you can offer.
Nancy Jentzsch
Pueblo, CO
Zone 4 (?)
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