Dataset Information

First Report of Colletotrichum fructicola Causing Fruit Rot and Leaf-Tip Dieback on Pineapple in Northern Thailand.

ABSTRACT: Pineapple is one of the most economically important fruits in tropical countries, particularly in Thailand. Canned pineapple is currently Thailand's main exported commodity to many countries, including the United States, Russia, Germany, Poland, and Japan. Fungal diseases are considered a permanent threat to fruits in the pre- and post-harvest stages, leading to considerable economic losses. Fungal disease is one of the primary causes of massive yield losses in pineapples around the world. Colletotrichum species are the most common fungal pathogens affecting different tropical fruits. Although there are many reports regarding Colletotrichum species associated with pineapple, they do not have molecular data to confirm species identification. However, the occurrence of Colletotrichum species on pineapple has not been reported in Thailand so far. In this study, we isolated and identified Colletotrichum fructicola on pineapple in northern Thailand and have proven its pathogenicity to the host. This is the first report of the occurrence of Colletotrichum in pineapple, based on morpho-molecular approaches.

SUBMITTER: Armand A

PROVIDER: S-EPMC9966242 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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First Report of <i>Colletotrichum fructicola</i> Causing Fruit Rot and Leaf-Tip Dieback on Pineapple in Northern Thailand.

Armand Alireza A Hyde Kevin David KD Jayawardena Ruvishika Shehali RS

Plants (Basel, Switzerland) 20230220 4

Pineapple is one of the most economically important fruits in tropical countries, particularly in Thailand. Canned pineapple is currently Thailand's main exported commodity to many countries, including the United States, Russia, Germany, Poland, and Japan. Fungal diseases are considered a permanent threat to fruits in the pre- and post-harvest stages, leading to considerable economic losses. Fungal disease is one of the primary causes of massive yield losses in pineapples around the world. <i>Co ...[more]

PMID: 36840319

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Project description:Fruit rot of cucurbits caused by several pathogenic fungi has become an important postharvest disease worldwide. In 2022, fruit rot on watermelon (Citrullus lanatus) and muskmelon (Cucumis melo) was observed during the postharvest storage phase in the Chiang Mai and Phitsanulok Provinces of northern Thailand. These diseases can lead to significant economic losses. This present study was conducted to isolate the causal agent of fungi in lesions of fruit rot. A total of four fungal isolates were obtained, of which two isolates (SDBR-CMU422 and SDBR-CMU423) were obtained from rot lesions of watermelons, while the remaining isolates (SDBR-CMU424 and SDBR-CMU425) were obtained from rot lesions of muskmelons. All fungal isolates were identified using both morphological characteristics and molecular analyses. Morphologically, all isolated fungal isolates were classified into the genus Fusarium. Multi-gene phylogenetic analyses of a combination of the translation elongation factor 1-alpha (tef-1), calmodulin (cam), and RNA polymerase second largest subunit (rpb2) genes reveled that four fungal isolates belonged to the Fusarium incarnatum-equiseti species complex and were distinct from all other known species. Thus, we have described them as two new species, namely F. citrullicola (SDBR-CMU422 and SDBR-CMU423) and F. melonis (SDBR-CMU424 and SDBR-CMU425). A full description, illustrations, and a phylogenetic tree indicating the position of both new species have been provided. Moreover, pathogenicity tests were subsequently performed and the results showed that F. citrullicola and F. melonis caused symptoms of fruit rot on inoculated watermelon and muskmelon fruits, respectively. Notably, this outcome was indicative of the symptoms that appeared during the postharvest storage phase. To our knowledge, two new pathogenic fungi, F. citrullicola and F. melonis, are new causal agents of watermelon and muskmelon fruit rot, respectively. Importantly, these findings provide valuable information for the development of effective strategies for the monitoring and prevention of these diseases.

Dataset Information

First Report of Colletotrichum fructicola Causing Fruit Rot and Leaf-Tip Dieback on Pineapple in Northern Thailand.

Publications

First Report of <i>Colletotrichum fructicola</i> Causing Fruit Rot and Leaf-Tip Dieback on Pineapple in Northern Thailand.

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Dataset Information

First Report of Colletotrichum fructicola Causing Fruit Rot and Leaf-Tip Dieback on Pineapple in Northern Thailand.

Publications

First Report of &lt;i&gt;Colletotrichum fructicola&lt;/i&gt; Causing Fruit Rot and Leaf-Tip Dieback on Pineapple in Northern Thailand.

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OmicsDI is part of the ELIXIR infrastructure

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First Report of <i>Colletotrichum fructicola</i> Causing Fruit Rot and Leaf-Tip Dieback on Pineapple in Northern Thailand.