CULT: Re: Leaf Rot not Spot
- To: i*@egroups.com
- Subject: CULT: Re: Leaf Rot not Spot
- From: l* M*
- Date: Wed, 05 Apr 2000 07:19:30 -0400
Kitty Loberg in California said:
> There are two
> kinds of rot, one in the rhizome, and one that affects the leaves, called
> crown rot, so this may be it.
This sounds like what we always have a lot of with certain cultivars
during hot weather, especially when it's been dry for several weeks,
followed by a lot of rain. Many cultivars seem to be extremely
vulnerable to this form of rot and simply won't grow here - the
pathogens are abundant always. Others (SONG OF NORWAY sticks in my
memory) only seem to become vulnerable when they are in a large gorgeous
well-established clump :<
While it starts in the leaves, it will definitely damage the rhizome if
not tended to. For cultivars that are only slightly bothered by it,
stripping off the rotting leaves and getting some air to the rhizome is
usually enough to stop it, if the weather will cooperate with some sun
and dry.
Linda Mann east Tennessee USA zone 7/8
upper 20's F today, more normal weather for this time of year - a few
more SDBs blooming
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