PHYTOCHEMICAL REMEDIAL REACTION OF BLACK PEPPER (Piper nigrum) EXTRACT AGAINST FUNGAL TUBER ROT PATHOGEN OF SWEET POTATO (Ipomoea batata). FJS [Internet]. 2025 Apr. 30 [cited 2025 Sep. 17];9(4):1-5. Available from: http://162.254.38.185/index.php/fjs/article/view/3529