Browsing by Author "Perez, Rasthmien A."
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Publication Control of anthracnose disease caused by Colletotrichum Sp. in postharvest tomato using different plant derived extracts(Don Mariano Marcos Memorial State University- North La Union Campus, 2023-06) Perez, Rasthmien A.PEREZ, RASTHMIEN A. (2023). Control of Anthracnose Disease Caused by Colletotrichum sp. in Postharvest Tomato Using Different Plant Derived Extracts. Bachelor of Science in Agriculture Major in Crop Protection. Don Mariano Marcos Memorial State University, North La Union Campus, College of Agriculture, Department Of Crop Protection, Bacnotan, La Union. Adviser: Angeles, Yolanda B. This study aimed to investigate the occurrence of Colletotrichum in postharvest tomatoes sold in La Union markets using manual morphological characterization. Additionally, the study evaluated the efficacy of plant-derived extracts from oregano leaves, citronella leaves, and turmeric rhizomes in controlling Colletotrichuminfections in tomatoes. A total of 90 tomato samples were collected from one market in La Union. The samples were examined for the presence of Colletotrichum by surface sterilization and plating on Potato Dextrose Agar (PDA). The resulting fungal isolates were characterized based on their colony morphology, conidial morphology, and other morphological features. The results revealed that 75% of the tomato samples were infected with Colletotrichum sp. These findings suggest that postharvest tomato sold in the La Union markets are at risk of fungal infection by Colletotrichum sp. Therefore, appropriate measures should be taken to reduce the risk of postharvest losses and ensure the safety and quality of tomato products. Plant-derived extracts, particularly oregano, citronella, and turmeric, can be utilized as a potential biocontrol strategy to prevent fungal growth and enhance the shelf life of tomatoes.