This book contains two types of studies on the neglected and underutilized tropical tuber crop called Edible Canna or Queensland Arrowroot(Canna edulis Ker., Cannaceae). In the first phase, the mycorrhizal status of the crop in the different soil types of Kerala, India has been evaluated.AM fungal species in the rhizosphere have been isolated and identified. In the second phase, morphological and phytochemical response of the crop to inoculation with the mycorrhizal fungus Glomus microcarpum var. microcarpum was evaluated.