Aphids on tecophilaea

Peter Taggart petersirises@gmail.com
Mon, 04 Feb 2013 11:09:54 PST
As I said... Aphids are often an indication that plants are somehow stressed
Peter (UK)

On Mon, Feb 4, 2013 at 3:20 PM, Mary Sue Ittner <msittner@mcn.org> wrote:

> This is the message from Mark Mazer that has come in blank:
> For a cool greenhouse in NJ to have an infestation of brown citrus?
> aphids at his time of year is an indication,
> in my experience, of too much nitrogen fertilizer and that a systemic
> insecticide application in the entire greenhouse might be prudent.

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