North American Fruit Explorers mailing list at ibiblio

["Bob Hartman" <hartmansfruit@msn.com>]

Bob,

 

When I responded the first time I was concentrating on the damage that the copper could do to the leaves.  After rereading your original message I think that your problem that you have on your pear is either the pear blister mite or the pear rust mite.  The dormant spray should take care of those but if you still have problems take a look at the following link:

http://agsci.psu.edu/tfpg/part2/insects-mites-web/pear-blister-mite-and-pear-rust-mite.  You can also do a Google search on the two and see if these fit your description.  You will also see remedies at these websites.

 

Bob

Western Washington

From: rmckee3070@aol.com

Sent: Friday, September 03, 2010 3:01 PM

To: nafex@lists.ibiblio.org

Subject: Re: [NAFEX] Bartlett Pear tree

Bob,

Thanks for this information. It appears I may have burned my Bartlett Pear. I will use a Bordeaux mixture this fall to protect the pear tree over the winter. Would this be the correct approach in your view? And, secondly, if I find myself in a similar situation next summer, is there anything I can use to protect the Bartlett from further damage?

Thanks for your help.

-Bob from Long Island NY

-----Original Message-----
From: Bob Hartman <hartmansfruit@msn.com>
To: North American Fruit Explorers <nafex@lists.ibiblio.org>
Sent: Tue, Aug 31, 2010 9:37 pm
Subject: Re: [NAFEX] Bartlett Pear tree

Most of the reading that I have done about copper sprays says that it is great to use as a dormant spray but generally it is not recommended to be used when the tree is leafed out.  I use copper during the dormant season but never use it when the leaves are out.  I know someone who used copper on his tree this season when the leaves were growing and burned the leaves, doing the opposite of what he wanted.

 

Bob

Western Washington

From: RMckee3070@aol.com

Sent: Tuesday, August 31, 2010 5:18 PM

To: nafex@lists.ibiblio.org

Subject: [NAFEX] Bartlett Pear tree

I have a Bartlett Pear tree now for 3 years. It hasn't bloomed yet as it is still young. I am having trouble with some sort of disease I can't identify. The leaves of the tree are wilting, although I have watered it well.  I sprayed it with liquid flowable copper spray from Gardens Alive with poor results. Some of the leaves have brown bulbous markings, others have black tips. All the leaves appear to be folding inward on themselves from the bottom of each leaf to the top so that the rich green tops of the leaves can no longer see the sun.

Meanwhile my Keifer pear tree is growing by leaps and bounds. Nothing seems to affect it.

Anybody have any experience with Bartletts? I had hoped for fruit next year, but maybe not.

-Bob

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