North American Fruit Explorers mailing list at ibiblio

[jas39a@earthlink.net]

I have always applied dormant oil spray at this time.  It controls aphids by 
suffocating the eggs (assuming that it is applied properly...i.e., by 
spraying upwards so that the spray enters the downward-pointing cracks in the 
bark, which is where aphids lay their eggs).  Dormant oil can be applied at 
any time of the year when frost is not expected withing 48 hours.

Eddie Earles

-----Original Message-----
>From: adaggy@twcny.rr.com
>Sent: Mar 18, 2009 10:17 AM
>To: nafex@lists.ibiblio.org
>Subject: [NAFEX] Thoughts on Early Season Tree Spraying?
>
>I have been developing a spray schedule for my apple trees this year. In my 
>research, I have come across several university extension sites that 
>recommend dormant oil spray, bordeaux spray, or both at this time of the 
>year. I am curious what other people think about which option to choose. 
>Also, if doing both bordeaux and dormant oil, which would you apply first? 
>Are there temperature restrictions for bordeaux spray? The trees in question 
>are in Zone 5A.
>
>
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