Each boom configuration had four fan nozzles (No. 10) located 30 cm apart to allow for coverage of the soil from the edge
of the tree canopy to the trunk and one flood jet nozzle (No. 8-OC) mounted on the tip of each boom to cover
the area (0.8-m strip) extending from the tree trunk toward the outer (opposite to applicator) margin of the
tree. The filters were removed from all spray nozzles during application. The liquid formulation of S. riobrave
was poured directly into the sprayer holding