One of the main objectives of growers nowadays is to reach the productive ceiling of his crop by optimizing the resources available. When thinking about cotton culture, one of the most important operations is the application of growth regulators to effectively manage the balance between vegetative and reproductive growth for efficient cotton production. And to obtain the maximum yield for each field, it is necessary to identify the different conditions and stages of the plants within the same plot and to adapt the application (dosage/flow rate) of growth regulator according to each zone in the field.