Re: CULT: Causes of Rot
> Dennis, I have had rot in a few Louisianas which I think was
>caused by insects (grasshoppers, crickets) biting into the rhizomes
>during a period of dormancy in the summer.
Me too, Walter. The rot appears to invade secondary to sunburn of rhizomes
exposed on the surface. I think Louisianas should always be well-mulched.
>
> Spurias can rot, too, from a variety of reasons - very few of
>which do well here. SULTAN'S SASH seems to be the best grower and
>bloomer I have. There is too much summer rain for them here and they
>rot without your knowing it because there are no leaves to tell you
>they are rotting. When fall comes and no new growth is seen, you can
>dig for the rhizomes and find mush underground. Sometimes, the only
>thing left of a spuria is the 'skin.'
Our spuria problems are similar though more varieties seem to do
well--particularly if they tend to hold their leaves through the summer,
and SULTAN'S SASH is one of those. My big problem with spurias is
mustard-seed fungus, which is very difficult to control here. A good bit
of organic matter in the soil seems to help.
Bill Shear
Department of Biology
Hampden-Sydney College
Hampden-Sydney VA 23943
(804)223-6172
FAX (804)223-6374
email<wshear@email.hsc.edu>
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