IUBio

red spiders on greenhouse maize

Marty Sachs msachs at uiuc.edu
Sat Feb 20 14:15:57 EST 1999


I'm assuming that what you mean by "red spiders" is actually spider mites.
Our Greenhouse folks use Kelthane against spider mites.  This seems to be
effective and doesn't appear to harm our plants.

	-Marty Sachs

At 12:01 PM -0700 2/20/99, Steve Stack wrote:
>To maize cooperators,
>We are having a serious problem with red spiders on the maize plants
>that we are growing in the greenhouse.  Our pest manager has been trying
>oil, soap, and Pyrethrin.  The first two aren't particularly effective,
>while Pyrethrin is, but Pyrethin severely damages the plants.  Has
>anyone else solved the problem of  red spiders in the greenhouse?  If
>so, I would surely appreciate learning what to do about them without
>seriously damaging the maize plants.
>Stephen Stack
>
>--
>Stephen M. Stack
>Department of Biology
>Colorado State University
>Fort Collins, CO 80523-1878
>TEL (970) 491-6802
>FAX (970) 491-0649
>Email sstack at lamar.colostate.edu


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