Provisional advice
Thrips
PreventativeUse Hypoaspis aculeifer for slabs or pots.Set out 4000 Amblyseius swirskii slow-release bags per hectare one to two weeks prior to flowering.If no thrips or whitefly are present, the introduction should be repeated after five to six weeks.
Curative (after detection of thrips)
Upon finding the first thrips, 0.5 Orius laevigatus per m2 should be introduced in order to combat the adult thrips.
Whitefly
Preventative
Introduce Amblyseius swirskii slow-release bags one to two weeks prior to flowering: 4000 bags per hectare.
If no thrips or whitefly are present, the introduction should be repeated after five to six weeks.
Curative
Release three to six parasitic wasps per m² (Encarsia formosa and Eretmocerus eremicus) on a weekly basis as soon as the first whitefly is spotted.