Colletotrichum truncatum Causing Anthracnose of Tomato (Solanum lycopersicum L.) in Malaysia

Saleh Ahmed Shahriar and Asmaul Husna and Terna Tersoo Paul and Most. Nurjahan Khatun Eaty and Md Quamruzzaman and Abu Bakar Siddique and Md Abdur Rahim and Abu Noman Faruq Ahmmed and Jasim Uddain and Shafiquzzaman Siddiquee (2023) Colletotrichum truncatum Causing Anthracnose of Tomato (Solanum lycopersicum L.) in Malaysia. microorganisms, 11. pp. 1-13.

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Tomato (Solanum lycopersicum L.) is a popular nutritious vegetable crop grown in Malaysia and other parts of the world. However, fungal diseases such as anthracnose pose significant threats to tomato production by reducing the fruit quality and food value of tomato, resulting in lower market prices of the crop globally. In the present study, the etiology of tomato anthracnose was investigated in commercial tomato farms in Sabah, Malaysia. A total of 22 fungal isolates were obtained from anthracnosed tomato fruits and identified as Colletotrichum species, using morphological characteristics. The phylogenetic relationships of multiple gene sequence alignments such as internal transcribed spacer (ITS), β-tubulin (tub2), glyceraldehyde 3-phosphate dehydrogenase (gapdh), actin (act), and calmodulin (cal), were adopted to accurately identify the Colletotrichum species as C. truncatum. The results of pathogenicity tests revealed that all C. truncatum isolates caused anthracnose disease symptoms on inoculated tomato fruits. To our knowledge, the present study is the first report of tomato anthracnose caused by C. truncatum in Malaysia. The findings of this study will be helpful in disease monitoring, and the development of strategies for effective control of anthracnose on tomato fruits.

Item Type: Article
Keyword: Anthracnose ; Colletotrichum truncatum ; Solanum lycopersicum ; morphology ; molecular identification ; pathogenicity
Subjects: Q Science > QH Natural history > QH301-705.5 Biology (General) > QH426-470 Genetics
Q Science > QK Botany > QK1-989 Botany > QK504-(638) Cryptogams
Department: INSTITUTE > Biotechnology Research Institute (BRI)
Date Deposited: 04 Aug 2023 16:25
Last Modified: 04 Aug 2023 16:25

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