Y R SARMA JAMAKVR. A simple method for indexing Phytophthora and nematode infections in black pepper (Piper nigrum L.). J Spices Arom Crops [Internet]. 1996 Jun. 23 [cited 2025 Sep. 24];5(1):68-71. Available from: https://www.updatepublishing.com/journal/index.php/josac/article/view/4375