For better disease management, it is always advisable to remember the maxim – PREVENTION IS ALWAYS BETTER THAN CURE. Generally the sprays of Merger should start before the appearance of disease or at disease initiation. Repeat the applications at 7-12 days interval depending on climatic conditions and disease severity. For blast control in paddy where both leaf and panicle blast exists, two applications are normally required, first at the time of appearance of lesions on leaves and second from late boot to 5 % panicle emergence. If bad weather persist, it is advisable to go for another application at 50 to 75 % of panicle emergence but before the panicle neck gets exposed to air. It is advised that the user must read the label and leaflet attached to the container for details.It is advisable to use the product as per the local recommendations of agricultural institutes.