Synopsis Diseases are one of the major constraints in the profitable cultivation of crops. The destructive role of plant diseases by preventing the realization of maximum yield has become quite difficult in recent years. This is perhaps due to high crop density obtained by using high rate of fertilizers and other agronomic practices is conducive for the multiplication of plant pathogens. The problem is particularly serious in monocropped area. This edited book entitled “Management of Threatening Plant Diseases of National Importance” contains 22 authoritative and thought provoking articles written by reputed plant pathologists of the country. It provides detailed information on the management of various diseases like foliar blights, of maize, ergot of pearl millet, rust and foliar spots of soybean, Phytophthora blight and common scab of potato, red rot of sugarcane, Phytophthora rot of black pepper, rhizome rot of ginger, Sclerotium root rot of sugarbeet, Alternaria blight and white rust of mustard, Macrophomina diseases of plants, fungal and bacterial diseases of mango, guava wilt, etc. The role of mycrrhiza in the control of soil-borne pathogens has been dealt in great detail.