Build up its resistance in plant; water the plant regularly; if possible, provide afternoon shade; fertilize on schedule using a low-nitrogen, high-phosphorus fertilizer; prune off dead and dying branches.
Use an integrated approach, including increasing the irrigation intervals and less irrigation, use of biochar and vermicompost and application of fungicide and increasing plant resistance with minerals nutrition (K, Ca, N, B, Zn).
For affected vegetables, remove and dispose of the plant; don't compost it. For landscape plants, prune out affected branches and dispose of them immediately. Do not use infected wood for chips for landscape mulch. https://www.gardentech.com/disease/verticillium-wilt
Don't plant the plants such as cotton, potato, tomato in olive orchard. Don't irrigate by farrow. Feed the plants with fertilizers specially potassium.