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nafex - Re: [NAFEX] Pruning and Dormant Spray

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  • From: "William C. Garthright" <billg@inebraska.com>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Pruning and Dormant Spray
  • Date: Tue, 19 Feb 2008 16:34:02 -0600


the sulfur your notes refer to is micronized sulfur a powder not the same
thing as lime sulfur

Summer sprays cannot combine oil and sulphur (or lime-sulphur) since the
combination is phytotoxic. But there are no leaves in the winter so they can
be combined then.


Got it. There seems to be a bit of disagreement here, but the end result is the same (at least for dormant spraying) - that I don't have to worry about combining lime sulfur and dormant oil. Thanks much!


I am curious about how people time their dormant sprays. I do only one spray and feel like it is
best to spray as late as possible, just before the leaves come, so the bugs have started to wake
up a bit and will be more vulnerable. I think I read something to this effect at some point and
it sounded convincing. I think this stage is called "bud swell", before "green
tip".


That would sound good to me, too. As I mentioned, I'm mainly concerned that I don't encourage the breaking of dormancy - and the resultant blooming - any earlier than I have to.

Bill
Lincoln, NE (zone 5)

--
A girl phoned me the other day and said "Come on over, there's nobody home." I went over. Nobody was home. - Rodney Dangerfield




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