The strategy of the National Program Lobesia Botrana (PNLb) in Chile for the 2020-2021 season, describes the essential elements of this official control: Surveillance through pheromones traps, Property and Urban Control, Control of Internal Quarantine measures and Supervision and support to research plans.
DISTRIBUTION OF SEXUAL CONFUSIONS
For The Predial and Urban Control, the distribution of sexual confusions according to sector for next season, is as follows:
To premises with surfaces less than or equal to 4 ha, emitters shall be provided to cover the entire area under control. Sites over 4 have entered the Shared Sharing System, where the SAG will deliver issuers to cover a percentage of the control area and the producer will buy the difference. For this season the allocation has been defined considering area ranges of property and area (fruit or winemaking).
More details HERE