Xref: kermit uk.rec.gardening:205441

Rosie wrote:
Why does this work?

I sprayed some water from my washing-up onto my roses and instead of being
covered in greenfly they are now covered in black(dead)greenfly.

How does that work then?

ROSIE



My guess is that it coats their spiracles with detergent so they can't
respire.

Jason

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