North American Fruit Explorers mailing list at ibiblio

[R F Hollaus <hollaus@comcast.net>]

Anybody heard of the spray brand product "ethryl"? 
Another trade name appears to be "ethrel". Pete of Prarie Perfect 
orchards has used this after his cherry crop is finished to increase 
the hardiness in his orchard. It should work on peaches since they 
are (according to him) spraying cherries and peaches in BC Okanogan 
district. In this case the product is registered for advancing fruit 
maturity to hit the market window but at least we know it works on 
peach trees to the extent it advances ripening. 

Therefore Last Question:
Anybody heard of it used to gain hardiness in peaches?

Rupert. 


On 27/03/2011 10:58 PM, Mark and Alisha Fehringer wrote:
> The question was asked about using Prunus americana, native 
>native plum roots 5-6 years ago with mixed results.  Each year they 
>put on a nice growth of 2-4'.  The grafts seem plenty strong as they 
>hold up against our high winds.  However they probably have had at 
>least 90% dieback each winter.  Last summer I mounded some earth up 
>around them to try to get the peach to self-root and they appear to 
>have overwintered very well this time, but of course I'm not sure 
>there's a connection.  I was going to remove them this spring if they 
>had severe dieback, but it looks like they might be pardoned another 
>year.
>
> Mark
> Northeast Colorado
> zone 4 and windy