In article ,
"Instep" writes:
| Can anyone help with whitefly eradication?
|
| I have asked in the past, and was given a tip to soak nettles in a bucket
| and spray with the liquid, but this has not worked.
|
| I can use Provado on the flower plants, but not tomato plants etc. in the
| greenhouse.
|
| It is getting a bit desperate.

If you stop using toxic chemicals, and spray with soft soap or
washing up liquid and methylated spirits only, you will be able
to introduce Encarsia formosa in a couple of months. It keeps
whitefly under control very well.


Regards,
Nick Maclaren.