It immediately stops the transition of viron particles from the infected to the healthy plants after 1st spray On 2nd application the results are more pronounced on the reproductive stage that is the flower and fruit shows better symptoms of recovery in comparison to leaves On 3rd time application controls the flower drop to 80%, remaining 20% will be controlled slowly and Irregular or shape out fruits will be become very good structured/shape & greenish. Generally virus affected plants does not produce flowers and fruits. But if you spray Immuno + Enviro + Cyto plus and Rootex through drip it can produced healthy flowers and fruits with good growth.