Subbiah, A Ramesh Kumar, S Sathiamoorthy, A. “Effect of Plant Growth Regulators on Yield Parameters, Yield and Quality of Black Pepper (Piper Nigram L.) Variety Panniyur-1”. Journal of Spices and Aromatic Crops 11, no. 2 (December 25, 2002): 125–128. Accessed October 31, 2025. https://updatepublishing.com/journal/index.php/josac/article/view/4729.