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Holly Infestation

Steve Hinkson sphinkson at worldnet.att.net
Tue Jul 6 17:59:11 EST 1999

All true.  Federal law and all.  You do, however sound like an extension
agent.  LOL.
You  ignored the safer natural and/or mechanical removal methods that
won't hurt the holly, the gardener, nor the environment.

Frank Reilly wrote:

>  This absolutely the WRONG approach.  Read below for the right
> approach.
> Lou Dog wrote:
>> Maria Luna and Mark Bornfeld <bobsey at ix.netcom.com> wrote in message
>> news:377D7956.9B1BB8D3 at ix.netcom.com...
>> >
>> > My holly bush is totally infested with something I cannot
>> identify. The
>> > underside of almost every leaf has multiple white silky deposits
>> of
>> > consistent shape and size: about 1 centimeter long, 3 millimeters
>> wide
>> > and ½ millimeter thick. Some of the plaques have a black spot at
>> one
>> > end. Although it has not caused a large proportion of the leaves
>> to be
>> > damaged, some are dropping off, completely brown (I don't know if
>> the
>> > leaf damage is related to the white stuff).
>> >
>> > Any ideas as to what may be the problem and how to eradicate it?
>> It sounds like you are having the same problem that I'm having.  I
>> have
>> these small white bugs that I find all over a green foliage plant.
>> One
>> thing I've tried is a pesticide that I got at a local department
>> store (Bi
>> Mart).  I haven't noticed anything yet, but it supposedly works up
>> through
>> the roots to kill bugs.  Also, there is a spray you can spray on
>> your
>> leaves.  It works ok.  Let me know if you have any success.
> 1.)  Applying a pesticide to a plant for which it is not approved (you
> have to read the label, and the label MUST say that it is approved for
> use on Hollies) is a violation of Federal Law.  It is also not
> environmentally sound, and it may result in the death of the Holly or
> the death of other things near the holly.
> 2.)  Applying a pesticide to control a pest for which it is not
> approved (you have to identify the insect) is also a violation of
> Federal Law.  It is not environmentally sound, and it may result in
> the death of the wrong insect.  It may cause other, more harmful
> insects to increase in population.
> 3.)  The RIGHT approach is to positively identify the insect./  You
> can get help here (for free) by contacting your local Extension Agent
> (Check the Blue Pages in the Telephone book), Master GArdeners, or
> even the staff at a GOOD Garden Center).  After you identify the
> insect, learn if it is a friend or a foe to your plant.  Ask yourself,
> Is this insect harming the plant?  Ask yourself, Is this insect
> harmful to me or my children or pets?  If the answer is anything like
> "No its just a bug, or I just don't like the looks of the bug"
> consider doing nothing about the bug on your Holly.  Finally, ask
> yourself, "Is the pesticide I am planning to use going to hurt me or
> my children or pets?"
> Before spraying for pests always:
>    * identify the pest
>    * ensure that it is really a pest
>    * identify a control method with the least toxicity (e.g. pick or
>      brush the bugs away, or spray them away with water etc.)
>    * decide if the cost of the control is worth the damage the pest is
>      causing (Remember to consider all of the costs like disposal of
>      the chemical after the pest is controlled, or the potential
>      danger to you, your children, or your pets).
>    * Finally, if you decide that the pest is damaging your plants, and
>      you must use a chemical control, choose a chemical control.  To
>      choose one, pick one that is specifically for the pest you have
>      already identified, and the plant that is being damaged.  Make
>      sure that your application is being done at the right time (by
>      the time most gardeners notice the pest, the effective treatment
>      date is long past).  Buy only what you need.  Avoid going to the
>      store and buying a lifetime supply of the chemical.  Buy a small
>      amount that is pre-mixed.
> --
> Frank Reilly
> Extension Associate
> King George Extension Office
> POB 410, King George, VA 22485
> 540-775-3062, Fax 540-775-5645

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