Re: mildew question

Russ Bulluck (lrbulluc@unity.ncsu.edu)
Sat, 19 Jun 1999 10:27:04 -0400

Mildews (both powdery and downy) are _highly_ specific. If you have weeds
with a mildew, spraying the mildew will possibly cause the other weeds of that
species to become infested. However, little or no reaction will occur on
planted crops (unless closely related to the weed). Also, powdery and downy
mildew conidia (reproductive structures) are highly hydrophobic and therefore
difficult to get into solution.

this would be a good idea. No harm will come to your crop, and the sensitive
weed may succumb to mildew. . .Russ

Frits v/d Laan wrote:

> I would like to know anyone who tried something like this before.
> To prevent mildew I use some organic extractions and I would like to
> add mildew itself as a spray.
> because most plants have different types of mildew I would like to
> use mildew from one of the very sensitive weeds that grow and
> allready are white from the fungus and make a thea or spray from
> this.
> Then spray the cultivated plants with this and wait for the natural
> reaction from the plants or from other fungi that protect the plants
> by destroing the mildew.
> (Vaccination principle)
> Does someone know something about this.
>
> Frits v/d Laan
> Organic horticulture. Gouda - Netherlands
> http://web.inter.nl.net/users/F.vd.Laan/
> mail f.vd.laan@inter.nl.net
>
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--
Russ Bulluck
Ph.D. Candidate
Department of Plant Pathology
North Carolina State University
PO Box 7616
Raleigh, NC  27695-7616


http://www.cals.ncsu.edu/plantpath/Personnel/Students/webpage.htm


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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--Sir E. John Russell
The Micro-organisms of the Soil, 1923
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