F.N. Femina, S.S.Veena, S. Karthikeyan and G.L. Sreelatha 2022. Growth Promotion in Elephant Foot Yam (Amorphophallus paeoniifolius (Dennst.) Nicolson) Consequent to Colonization by the Root Endophytic Fungus, Piriformospora indica. JOURNAL OF ROOT CROPS. 46, 2 (Oct. 2022), 94–100.