Existing and validated forecasting models for pests and diseases should be used and the use of adequate monitoring devices by groups of growers recommended.

Cutworms: Populations should be monitored (e.g. sex pheromone traps and visual inspection) and forecasting models should be taken into account.

Other lepidopterans (and Colorado potato beetle): Monitoring for eggs and first larval stages.

Tomato leaf miner Tuta absoluta: Monitoring and use thresholds when available.

Leaf miner, white flies: Monitoring with yellow sticky traps.

Frankliniella occidentalis as vector of TSWV: Monitoring with blue sticky traps.

Monitoring: Powdery mildew –  Oidium and Leveillulaby regular crop inspection.

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