First report of fruit rot on cantaloupe caused by Fusarium equiseti in Thailand

Nuangmek, Wipornpan; Aiduang, Worawoot; Suwannarach, Nakarin; Kumla, Jaturong; Kiatsiriroat, Tanongkiat; Lumyong, Saisamorn

doi:10.1007/s10327-019-00841-1

Cited by 18 publications

(24 citation statements)

References 24 publications

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“…Th e pathogenicity test in the present study confi rmed that melon fruits must be naturally wounded (mechanical injury) for the pathogen inoculations to be eff ective (Figure 2), as was also noted by Wonglom and Sunpapao (2020). Nuangmek et al (2019) suggested that cutting the fruit peduncles during harvesting could be the source of infections in the field. Another determining factor could be the texture of the surface tissues of some commercial melon varieties, with natural cracking facilitating pathogen infections.…”

Section: Discussionsupporting

confidence: 80%

Fusarium annulatum causes Fusarium rot of cantaloupe melons in Spain

PARRA

GÓMEZ

AGUILAR³

et al. 2022

Phytopathol. Mediterr.

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During the summer of 2018, there was high incidence of fruit rots of cantaloupe melons (Cucumis melo var. cantalupensis) in Murcia province, south-eastern Spain. The fruits showed development of whitish mycelium and pulp softening. Morphological and molecular analysis of the internal transcribed spacer (ITS), translation elongation factor 1-α (TEF1-α) and the second largest subunit of RNA polymerase (RPB2) genes confirmed Fusarium annulatum as the causal agent of the disease. A phylogenetic study indicated that F. annulatum is in the Fusarium fujikuroi species complex (FFSC). Pathogenicity of the isolate was determined on healthy fruit verifying Koch’s postulates. The first symptoms of fruit rot were observed 3 d after inoculations at 28ºC. Fruit infections only occurred in artificially wounded melons, and F. annulatum was re-isolated from the wounds. This disease appeared after fruit harvesting, and could generate substantial economic losses mainly in fruit destined for foreign markets due to long transportation times. This is the first report of melon fruit rot caused by F. annulatum in Spain.

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Section: Discussionsupporting

confidence: 80%

Fusarium annulatum causes Fusarium rot of cantaloupe melons in Spain

PARRA

GÓMEZ

AGUILAR³

et al. 2022

Phytopathol. Mediterr.

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“…Postharvest rots caused by Fusarium species have been reported in different production areas worldwide, and are considered one of the most important diseases limiting commercialization of melon (Mahdikhani & Davoodi, 2016). Species of the Fusarium incarnatum‐equiseti species complex (FIESC) have been recently reported as the causal agent of postharvest rot in melon from Thailand (Nuangmek et al, 2019; Wonglom & Sunpapao, 2020) and China (Li et al, 2019). In Brazil, isolates collected from fruits with initial symptoms of water‐soaked lesions were identified as members of the FIESC based on the evaluation of morphological characters, and recently F. sulawesiense , as well as another phylogenetic species, have been identified (Dias & Terao, 2006; Lima et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

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confidence: 99%

Fusarium rot of melon is caused by severalFusariumspecies

et al. 2020

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Fusarium rot of melon, caused by species of the genus Fusarium, has become an important postharvest disease for many Brazilian producers. Due to the delayed onset of symptoms, this disease is often only detected when fruits arrive at the importing country, thus generating economic loss for the exportation of the fruit. This study was developed with the aim of investigating which Fusarium species cause fruit rot in melon and to evaluate any differences in aggressiveness and development of symptoms. Species were identified through phylogenetic analysis of two loci and morphological markers. The 28 isolates obtained from diseased melon fruits of different commercial cultivars were identified as Fusarium falciforme (FSSC), F. sulawesiense, F. pernambucanum (FIESC), and F. kalimantanense (FOSC). Three isolates belong to a new phylogenetic lineage within the F. fujikuroi species complex (FFSC). All isolates were tested for pathogenicity, and first symptoms of rot in Canary melon were observed 2 days after inoculation. Isolates of F. falciforme and F. sulawesiense were shown to be more aggressive. Our results extend information on Fusarium species that cause fruit rot in melon and support the development of management strategies, as there is currently no efficient control for this disease. To our knowledge, this is the first report of the occurrence of species of the FSSC, FOSC, and FFSC from muskmelon fruits in Brazil.

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“…Two fungal pathogens, S. cucurbitacearum SDBR-CMU292 ( Nuangmek et al, 2018 ) and F. equiseti SDBR-UP-PA002 ( Nuangmek et al, 2019 ), were used in this study. Both fungal strains were obtained from the Sustainable Development of Biological Resources (SDBR) Laboratory, Faculty of Science, Chiang Mai University.…”

Section: Methodsmentioning

confidence: 99%

Evaluation of a Newly Identified Endophytic Fungus, Trichoderma phayaoense for Plant Growth Promotion and Biological Control of Gummy Stem Blight and Wilt of Muskmelon

et al. 2021

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Gummy stem blight and wilt are known to cause enormous losses to the global production of muskmelon (Cucumis melo). In this study, the potential of endophytic fungi isolated from leaves of Siam weed (Chromolaena odorata) was investigated for the inhibition of mycelial growth of Stagonosporopsis cucurbitacearum and Fusarium equiseti. Twenty-one fungal isolates were obtained. The results indicated that a fungal isolate UP-L1I3 displayed the highest percentage in terms of inhibition of the mycelial growth of F. equiseti and S. cucurbitacearum at 90.80 and 81.60%, respectively. Consequently, this isolate was selected for its potential ability to promote plant growth and control gummy stem blight and wilt in muskmelon seedlings. Morphological and multilocus phylogenetic analyses revealed that the isolate UP-L1I3 was a new species that has been described herein as Trichoderma phayaoense. Pathogenicity test confirmed that F. equiseti and S. cucurbitacearum were the cause of gummy stem blight and wilt disease in muskmelon seedlings, respectively. However, no disease symptoms were observed in seedlings inoculated with T. phayaoense. It was found that T. phayaoense could be used preventively in muskmelon seedlings that were inoculated with F. equiseti and S. cucurbitacearum, which could then reduce the impact on the disease severity index. T. phayaoense was also effective in improving plant development by increasing plant height, as well as shoot and root dry weight values. Moreover, T. phayaoense could effectively increase weight, diameter, and the circumference and total soluble solid of fruit without having a negative effect on fruit quality parameters. Additionally, T. phayaoense was able to tolerate a commonly applied fungicide (metalaxyl) in recommended dosages for field applications.

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First report of fruit rot on cantaloupe caused by Fusarium equiseti in Thailand

Cited by 18 publications

References 24 publications

Fusarium annulatum causes Fusarium rot of cantaloupe melons in Spain

Fusarium annulatum causes Fusarium rot of cantaloupe melons in Spain

Fusarium rot of melon is caused by severalFusariumspecies

Evaluation of a Newly Identified Endophytic Fungus, Trichoderma phayaoense for Plant Growth Promotion and Biological Control of Gummy Stem Blight and Wilt of Muskmelon

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