The present manual is of immense importance for the researchers, teachers and scholars in the field of biological sciences.It will also prove of great importance to the industrialists for developing an effective mycorrhizal cultures on commercial scale.The mycorrhizal fungi are playing a multipurpose role in the crop improvement programmes by improving the plant health through the acquisition of many micro and macro nutrients.The use efficiency of different nutrient elements is also enhanced by AM fungi. Mycorrhizae provide protection to the plant roots against many soil borne...