Various Applications of Active Materials Trichoderma sp. RC 3 Isolate for Antracnosa Disease Control Caused by Colletotrichum gloeosporoides In Chilli
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Abstract
Anthracnose, caused by the fungal pathogen Colletotrichum gloeosporioides, poses a significant threat to chili plant cultivation, resulting in yield losses and environmental concerns. This study aimed to obtain the best active ingredients from Trichoderma sp. RC3 isolates to control anthracnose diseases caused by C. gloesporoides in chilies. The research used a Randomized Block Design (RBD) with four treatments and three replications, each repetition consisting of 9 chilies. The treatments used were Control (sterile aquadest/ without isolates), administration of liquid culture, conidia suspension, and filtrate from Trichoderma sp. RC3 isolate. The variables observed were the incubation period, the percentage of fruit attacked, and the intensity of anthracnose disease in chilies. The results showed that the active ingredient was a filtrate containing secondary metabolites from Trichoderma sp. RC3 isolate was the best treatment with an effective disease intensity of 58.45%, the percentage of fruit attacked by 44.45%, and slowed the appearance of the first symptoms (incubation period) for 13 days. These findings underscore the potential of Trichoderma sp. RC3 isolates are an eco-friendly solution for anthracnose management in chili plants, offering promise for sustainable disease control in agriculture
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