[NAFEX] Grape vine attachments (Hal Love)
mIEKAL aND
dtv at mwt.net
Tue May 29 21:55:08 EDT 2007
I just discovered these the other day on my beach plums, but profuse,
some leaves solid with them. I just looked thru two different
disease books & didn't find them.
~mIEKAL
On May 29, 2007, at 2:59 PM, Shirley Murphy wrote:
> Thanks Hal for the suggestion but no, they do not look like the
> photo link.
> They are more elongated and pointed like spikes and have a reddish
> appearance which when magnified show streaks of red on green. They
> are
> fewer in number and do not seem to penetrate the leaf but merely sit
> attached to the surface.
> Shirley
>
>> Message: 8
>> Date: Tue, 29 May 2007 14:38:29 -0600
>> From: "Hal Love" <lovehd at comcast.net>
>> Subject: Re: [NAFEX] Grape vine attachments
>> To: "North American Fruit Explorers" <nafex at lists.ibiblio.org>
>> Message-ID: <001d01c7a231$517137a0$487281a0 at HayLabMicro>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>> Sounds like phylloxera galls, although they are usually on the
>> underside
>> of the leaves. The leaf galls are usually not a problem on
>> Catawba, which
>> is only mildly susceptible.
>>
>> Did they look like this?
>> http://www.ppdl.purdue.edu/PPDL/images/grape_phyllox-leaf_abax.jpeg
>>
>> Hal
>>
>> ----- Original Message -----
>> From: Shirley Murphy
>> To: nafex
>> Sent: Tuesday, May 29, 2007 1:08 PM
>> Subject: [NAFEX] Grape vine attachments
>>
>>
>> My Catawba grape vine appears to be healthy but new leaves have
>> 1/2cm
>> long vertical soft budlike attachments on the upper surface. Looking
>> through a loupe they appear green with red streaks. I cut one
>> open to
>> find that it is hollow inside. No insect activity is apparent. I
>> have
>> looked through some books including "The Grape Grower" and cannot
>> find any
>> such description. I am located in SW Tennessee. Does anyone have
>> any
>> thoughts on what they might be and any suggestions of what if
>> anything I
>> should do? If they are harmful I would like to control them with the
>> least toxic means. If they are beneficial I would like to
>> encourage them.
>> Shirley Murphy
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