Exosex YSBTab dispensers should be set out uniformly in a basic grid formation, about 11m apart throughout the paddy field. Start at the corner of the field with the first dispenser about 7m in from the corner
Pheromones are most effective when used in fields of 2ha and above. If the field is less than 2ha, guard barriers should be put in place - add a second row of dispensers on the external perimeter.
Additional dispensers should be placed in areas likely to experience higher pest pressure.