Wherever a control measure is deemed necessary, a biological or biotechnical control method must be used if available and effective.
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.
Priority must be given to mechanical weed control.
Pre-emergence herbicides are only permitted as band applications.
Growth regulators only permitted in early crops to concentrate harvesting time.