In Vitro Effects of Some Ethanolic Crude Extracts of Medicinal Plants against Colletotrichum gloeospoioides, The Pathogen of Antharacnose Disease in Chilli

Sawatdikarn Sanit

International Journal of Sciences, 2020, vol. 9, issue 10, 17-24

Abstract: The anthracnose disease is one of the major economic diseases in chilli production of Thailand. The present study was aims to test and evaluate the fungicidal activity of the ethanolic crude extracts from thirty-four medicinal plants were tested against Colletotrichum gloeosporioides (the pathogen of anthracnose disease in chilli of Thailand) by poisoned food technique at 0, 2,000, 4,000, 6,000, 8,000 and 10,000 ppm. The inhibition of mycelial growth was evaluated. From the testing, All the used of thirty-four crude extracts showed significant antifungal activity against C. gloeosporioides. The result showed that the Curcuma aromatica, Zingiber zerumbet, Piper betle, Kaempferia galanga, Rosmarinus officinalis and Origanum vulgare crude extracts showed 100% inhibition of mycelial growth at all concentrations, whereas, the Wedelia trilobata and Polygonum odoratum crude extracts at 10,000 ppm gave the lowest inhibition of 70 and 82%, respectively. The study noted that the crude extracts namely C. aromatica, Z. zerumbet, P. betle, K. galanga, R. officinalis and O. vulgare showed the completely control of mycelial growth against C. gloeosporioides (the pathogen of anthracnose disease in chilli). These research pointed the oppurtunities for screening and application of some ethanolic crude extracts for a eco-friendly environmental management and exploited method as the biological control in chilli production.

Keywords: Fungicidal Activity; Anthracnose Disease; Colletotrichum Gloeosporioides Medicinal Plants; Ethanolic Crude Extracts; Chilli (search for similar items in EconPapers)
Date: 2020
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DOI: 10.18483/ijSci.2310

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