Re: CULT: no root growth (was Bald Rhizomes - negativity)
- Subject: Re: [iris] CULT: no root growth (was Bald Rhizomes - negativity)
- From: Laurie Frazer l*@localnet.com
- Date: Wed, 7 Sep 2005 12:32:18 -0500
- List-archive: <http://www.hort.net/lists/iris/> (Web Archive)
On Sep 7, 2005, at 11:59 AM, Ellen Gallagher wrote:
I hate to be the trend-breaker here, but I've had a number of rzs lose their roots for whatever unidentifiable reason and slowly die away. The first indication of trouble is generally slow deterioration of the leaf fan. There is no rot, and the rz remains firm and healthy looking. After watching the fan slowly die and seeing no new growth emerge, I'll dig the rz to find it barren of all viable roots.The no-roots situation (we would call them dead and toss them) is not seen here in Zone 3 so Arnold is (essentially) correct.
I've always just chalked it up to the enigmatic "scorch".
Laurie
---------------
lauriefr@localnet.com
http://www.geocities.com/lfandjg
http://www.angelfire.com/mn3/shadowood/irisintro.html
USDA zone 3b, AHS zone 4 - northern Minnesota
normal annual precipitation 26-27"
slightly acid, potassium deficient, clay soil
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