Powdery Mildew - Rhus Glabra

Polly pmlaw at ulster.net
Sun Jul 23 11:56:50 EST 2000

In article <3979F972.BF17C222 at ix.netcom.com>, Maria Luna and Mark Bornfeld
<bobsey at ix.netcom.com> wrote:

>Could someone suggest appropriate treatment for powdery mildew on my
>sumac bushes? I'm not necessarily averse to use of chemicals, if
>I'm located in Brooklyn, NY, zone 7...
>Mark Bornfeld

Hi Mark.

Fortunately, the best treatment for PM is an organic one. Make a solution
of 2 gallons of water, a few tablespoons of baking soda, a small squirt of
dishwashing detergent; spray on the affected plants.

You should also make sure the plants are getting enough air circulation
and light -damp, poorly circulated air encourages PM.

Good luck from a former Brooklynite,

Polly M. Law/Thrums End Art Studio
in the beautiful Mid Hudson Valley of NY, USDA zone 5


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