Re: Re: River Birch

I'm told that's what's happening here. Winters aren't getting or staying cold enough to kill the borers.
----- Original Message ----- From: "Bonnie Holmes" <holmesbm@usit.net>
To: <gardenchat@hort.net>
Sent: Wednesday, August 09, 2006 1:32 PM
Subject: Re: [CHAT] Re: River Birch


What a shame!!! Is there anything that can stop/deter/reduce this borer.
I'm understanding from other things that I am reading that the continuing
warming will make it worse. We always have had the pine borer in the South
but cooler winters usually kept the numbers small. Not having a "normal"
winter in almost twenty years has resulted in unusually large insect
populations that are very difficult to keep under control.


[Original Message]
From: <Cersgarden@aol.com>
To: <gardenchat@hort.net>
Date: 8/9/2006 2:28:53 PM
Subject: Re: [CHAT] Re: River Birch

In a message dated 8/9/06 12:13:34 PM, holmesbm@usit.net writes:


> The new hybrid of paper birch that was mentioned in my workshop was
> "Heritage"
>

Bonnie, this is the better   one for our area also but not on the

recommended

list. Due to our heavy clay, birches have a iron chlorosis   problem

here.

I have a huge 3 trunked birch, not Heritage just a species & it is

beautiful

but certainly one of the messiest trees you can have.   My neighbor has 3

in

their landscape that suffer and look terrible.   They finally removed the

worst

one.   I love the bark!
     The information I rcd yesterday is the Emerald Ash Borer has killed
15
million ash trees in Michigan.   Pockets of damaging activity have also

been

found in Illinois, Indiana, Ohio & Windsor Ontario.   In 2005 visual

surveys

were conducted in all 99 counties in Iowa. More than 1300 ash trees in

238

sites were observed for the signs & sysmptoms of EAB.   Several instances

of

native boring insects were recorded but NO EAB were found.
     Ceres

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