This might explain it. Does kumulus (wp sulfur) also have similar sticker
spreader?
thanks
Sarge

"gwoolam" > wrote in message
om...
> Mancozeb probably came in the form of a wettable powder or a flowable (a
> prewetted powder) these formulations usually use a talc or a clay as a
> carrier. The chemical its self is boken down in time by sunlight and
heat.
> What you are seeing is most likely the carrier residue.
> "Ken Anderson" > wrote in message
> ...
> > The Mancozeb I use can't be applied 63 days before harvest. Yet when I
> > was
> > picking my grapes, I could still see the yellow residue on the bottom of
> > the
> > grapes. It was where the original drop formed and dried. Seemed to
have
> > just
> > stayed stuck there. So does the 63 day rule indicate that, although the
> > fungicide still appears to be present, it's actually now inert and
> > harmless?
> > Or does it mean our government bureaucracy may have yet bungled again?
I
> > suspect the latter, but have also read that Mancozeb has low toxicity.
> > Hopefully they've got THAT right.
> > Ken
> >
> >
>
>