K V Ramana, Santhosh J Eapen, B Beena,. 2008. “Evaluation of Fungal Bioagents for Management of Root-Knot Nematodes in Ginger and Turmeric Fields”. Journal of Spices and Aromatic Crops 17 (2):122-27. https://www.updatepublishing.com/journal/index.php/josac/article/view/4904.