9_3_strict_veg_tomatoes

Wherever a control measure is deemed necessary, a biological or biotechnical control method must be used if available and effective.

Pests

Agriotes spp.: Soil insecticides only applied as placed (band) treatments. Problems should be avoided by proper site selection.

Lepidopterans: Application of selective products (e.g. Bt, IGR) where available and effective, instead of broad-spectrum products. is mandatory.

Thrips: Treatments are permitted only if viruses are cause problems in the area.

Weeds

Priority must be given to mechanical weed control.

Pre-emergence herbicides are only permitted as band applications.

PGR

Growth regulators only permitted in early crops to concentrate harvesting time.