I believe derris has recently been withdrawn in the UK.pumpy wrote:Derris powder, so i'm told by others.

I have used enviromesh on brassica crops and never had a caterpillar on them. (Slugs snails and whitefly, yes, but no caterpillars.

I believe derris has recently been withdrawn in the UK.pumpy wrote:Derris powder, so i'm told by others.
http://chateaumoorhen.blogspot.com/boboff wrote:Oh and just for MMM,(thanks)