Rotten Mites

J.E. Shields jshields at STARBAND.NET
Mon Oct 8 18:11:48 CEST 2001

Perhpas you are seeing bulb mites, which attack Lilium and other bulbs, and
even Hemerocallis (daylilies).  If you have bulb mites, you can expect
problems.  They either follow rot or they introduce rot to tubers and bulbs
they feed on.

Miticides that are good include Avid, to spray on.  Avid has a mildly
systemic effect, and it is approved for ornamentals in
greenhouses.  Kelthane is another generally used miticide.  Dimethoate,
sold here as Cygon, is a very potent systemic insecticide which has some
miticide activity.

Good luck!
Jim Shields
in central Indiana

At 05:51 PM 10/8/2001 +0200, Pascal wrote:
>Spider mites can be a (minor) problem on Arisaema leaves, especially when
>pot-grown. I have never had any major damage om my plants but it sometimes
>happens in my collection after a period of hot weather and low air humidity.
>Mites on tubers is also new to me but maybe the mites Robin is talking about
>are related to the mites that attack the pseudobulbs of Pleione-orchids?

Jim Shields             USDA Zone 5     Shields Gardens, Ltd.
P.O. Box 92              WWW:
Westfield, Indiana 46074, USA                              Tel. +1-317-896-3925

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