Re: Heritage River Birch Pests

I don't think so. It gets  lots of water. It's next to where I do my
planting/potting so there is always run-off. I'm hoping Daryl is right and
it's a young tree thing. It's really irritating. I can't walk under it
without getting a bug on me!


Andrea H
Beaufort, SC 


> [Original Message]
> From: Cathy Carpenter <cathy.c@insightbb.com>
> To: <gardenchat@hort.net>
> Date: 7/6/2005 8:45:26 PM
> Subject: Re: [CHAT] Heritage River Birch Pests
>
> Could the birch be stressed? While B. nigra is more heat tolerant  
> than others, did you have unusually hot, or dry summers the past  
> couple years? Pests and diseases seem to have a sixth sense for  
> compromised hosts.
>
>
> Cathy, west central IL, z5b
>
> On Jul 6, 2005, at 6:08 PM, Daryl wrote:
>
> > No on the hort oil.  I found this interesting bit on the web
> > http://entweb.clemson.edu/cuentres/eiis/pdfs/TO17.PDF   I didn't  
> > know that
> > aphids ever had and alternate host.
> >
> > Once the plant matures a bit, the problem seems to go away, at  
> > least it did
> > for me. I'm sure it helped that I encouraged the good guys  
> > (ladybugs and
> > such)
> >
> >
> > d
> >
> >
> > ----- Original Message -----
> > From: "A A HODGES" <hodgesaa@earthlink.net>
> > To: <gardenchat@hort.net>
> > Sent: Tuesday, July 05, 2005 7:55 PM
> > Subject: Re: [CHAT] Heritage River Birch Pests
> >
> >
> >
> >> Yes, I've seen several on the tree. I always thought they looked  
> >> like tiny
> >> alligators, except the color. I had these things last year too.  
> >> Should I
> >> attempt to spray this winter you think?
> >>
> >>
> >> Andrea H
> >> Beaufort, SC
> >>
> >>
> >>
> >>> [Original Message]
> >>> From: Daryl <pulis@mindspring.com>
> >>> To: <gardenchat@hort.net>
> >>> Date: 7/5/2005 8:06:12 AM
> >>> Subject: Re: [CHAT] Heritage River Birch Pests
> >>>
> >>> Some stages of Aphids have wings, and Aphids and sawflies seem to  
> >>> be the
> >>> major pests of birches around here, along with a few weeks of  
> >>> Japanese
> >>> Beetles.  In most cases, the infestations are self-limiting.
> >>>
> >>> Do you know what baby ladybugs look like? If you've got ladybugs,
> >>>
> > they'll
> >
> >>> probably take care of the aphids for you.
> >>>
> >>> d
> >>>
> >>>
> >>> ----- Original Message -----
> >>> From: "A A HODGES" <hodgesaa@earthlink.net>
> >>> To: "gardenchat" <gardenchat@hort.net>
> >>> Sent: Monday, July 04, 2005 6:34 PM
> >>> Subject: [CHAT] Heritage River Birch Pests
> >>>
> >>>
> >>>
> >>>> Anyone ever had a problem with pests on a River Birch? This is  
> >>>> Betula
> >>>> Nigra 'Heritage.' This year, and last I had major problems with  
> >>>> what
> >>>> something that has wings, is tiny and is a piercing, sucking  
> >>>> insect.
> >>>> Truthfully, they look like aphids with wings to me. I've tried
> >>>>
> > blasting
> >
> >>>> them, and the tree also has quite a few ladybugs, but they are  
> >>>> really
> >>>>
> > a
> >
> >>>> serious problem. My tree probably has half the leaves it should.
> >>>>
> >>>>
> >>>> There also seem to be some kind of beetles that look like a  
> >>>> vegetable
> >>>>
> >>> pest, maybe potato or cucumber beetles.
> >>>
> >>>>
> >>>> What do I do? The tree was planted at the back of the house in a  
> >>>> very
> >>>> wet area, near where I do my repotting, etc. It's about 15 feet  
> >>>> tall
> >>>> now, and is growing rapidly, but probably not a rapidly as it  
> >>>> should.
> >>>>
> > I
> >
> >>>> planted it to create summer shade which is desperately needed at  
> >>>> the
> >>>> back.
> >>>>
> >>>>
> >>>> Should I wait until this winter and then get on a ladder and  
> >>>> blast it
> >>>> with hort oil? I've never tried to systemically poison a tree  
> >>>> before.
> >>>>
> >>>> Suggestions?
> >>>>
> >>>>
> >>>> Andrea H
> >>>> Beaufort, SC
> >>>>
> >>>
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