Re: Baking Soda/Powdery Mildew
Hi Wayne,
Could you please let me know the active substances (the chemical names) of these two products? They might be available here in Germany too but under other names than "quadris" or "Nova".
Thanks and best wishes,
Martin
<Pumkinguy@aol.com> schrieb:
> Rebecca,
> Another approach, if you are not opposed to using chemicals, is to go to
> your local ag extension office and inquire into training and the test to
> become a private applicator in your state. Commercial farmers have private
> applicators licences which gives them training and access to restricted use
> fungicides. In Connecticut you must read a couple books and take the test
> which is mostly common sense questions. A private applicator can only spray
> his own crops, or can spray for other farmers for trade of services.You can't
> spray for hire....that is a more rigorous training and testing program to
> receive a commercial applicators licence. The training is very valuable. It
> probably wouldn't take more than a couple weeks to obtain a licence, although
> it may vary in some states. Once you have your licence, you will be more
> knowledgeable with pesticide use and applying it properly. My opinion is that
> two of the most effective fungicides you can buy for powdery mildew
> (registered for pumpkins) is quadris( comes in gallons)extremely expensive
> but highly effective(apx $340 per gallon). It will treat apx 12 acres so you
> would have a lifetime supply. The other is called Nova (wettable powder).
> Alternating these two fungicdes according to label instructions will
> virtually knock out powdery mildew. They are slightly systemic so 100%
> coverage of leaf undersides is not absolutely essential. The best procedure
> is to not apply until you see the very first signs of the mildew on the
> undersides of the older leaves. If you overuse these, you may develope some
> resistance. These chemicals have a mild curative effect too. In our area, I
> can usually wait until late july or early august before first application.
> Most field pumpkins are hit harder by PM than the atlantic giants, although
> they both get it. These two fungicides are a relatively newer class of
> chemicals that are probably less toxic than captan and daconil and are much
> more effective. They are,however, still restricted use chemicals and must be
> handled with the utmost respect and care. I grow 25 acres of field pumpkins
> and grow a few AGs as time permits.
> Wayne Hackney (pumkinguy)
>
> ---------------------------------------------------------------------
> Pumpkin-growing archives: http://www.hort.net/lists/pumpkins/
> To sign-off this list, send email to majordomo@hort.net with the
> message text UNSUBSCRIBE PUMPKINS
---------------------------------------------------------------------
Pumpkin-growing archives: http://www.hort.net/lists/pumpkins/
To sign-off this list, send email to majordomo@hort.net with the
message text UNSUBSCRIBE PUMPKINS
