<![CDATA[Chili is one of Indonesia's leading commodities with high economic value. The primary cause of instability in chili production in Indonesia is anthracnose disease infection. This study aims to observe the visual appearance of infrared thermography using a thermal camera and to analyze the post-harvest quality of healthy red chili fruits until anthracnose disease is detected. The study was conducted at the Agrotechnology Laboratory, Gunadarma University, from July to September 2025. Fresh red chilies, specifically cayenne (S1), curly (S2), and large (S3), were used. These three types of red chilies were divided into two groups: those without Colletotrichum inoculation (C0) and those with Colletotrichum inoculation (C1). Data were analyzed using Analysis of Variance (ANOVA) with a significance level of α = 5% (P < 0.05), followed by Duncan’s Multiple Range Test (DMRT). The results showed that the visual appearance and infrared thermography images obtained with a thermal camera can indicate a decline in quality and symptoms of anthracnose infection caused by Colletotrichum inoculation on the eighth day after inoculation. The post-harvest quality of healthy red chilies, even after anthracnose disease was detected following Colletotrichum inoculation, tended to fluctuate, with sharp changes observed on the second day after inoculation. Weight loss increased, and vitamin C content decreased with longer storage duration.]]>
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