Stem wilt disease caused by Ceratocystis fimbriata is one of the most devastating diseases of duku (Lansium domesticum) plants, causing up to 100% mortality in various production centers in South Sumatra. This study aimed to determine the effectiveness of Potassium Phosphate (K₃PO₄) as a resistance-inducing agent in suppressing disease development and enhancing the physiological response …
ABSTRACT This study aims to determine the effectiveness of chitosan compounds in controlling Ceratocystis disease in langsat plants (Lansium domesticum Corr.) through in vitro and in vivo approaches. The study used a Completely Randomized Design (CRD) with six chitosan concentration treatments and included two controls (0; 0 mg/L + 0.1% acetic acid; 0.5; 5; 50; and 500 mg/L) with 10 replication…