RAMANA, T. P. S. S. J. E. K. V. (1996). Occurrence of Verticillium chlamydosporium Goddard in a black pepper (Piper nigrum L.) garden in Kerala, India. Journal of Spices and Aromatic Crops, 5(2), 143–147. Retrieved from https://updatepublishing.com/journal/index.php/josac/article/view/4384