Identification and Characterization of Colletotrichum Species Associated with Bitter Rot Disease of Apple in South Korea

Oo, May Moe; Yoon, Ha-Yeon; Jang, Hyun A; Oh, Sang‐Keun

doi:10.5423/ppj.ft.10.2018.0201

Cited by 29 publications

(15 citation statements)

References 21 publications

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“…Although all the tested isolates caused bitter rot on the apple fruits, the degree of pathogenicity As a result, the cross-infection and polyphagous character of the pathogen were confirmed. Oo et al (2018) showed, in their pathogenicity testing, that all the tested isolates from the Colletotrichum species were pathogenic to wounded apples. The authors found that isolates belonging to the CGSC produced larger lesions than did the isolates belonging to the CASC.…”

Section: Discussionmentioning

confidence: 99%

Susceptibility of apple fruits from selected cultivars to the Colletotrichum acutatum species complex

Jílková¹,

Víchová²

2022

Plant Prot. Sci.

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The pathogenicity of five isolates of Colletotrichum acutatum species complex (CASC) was tested on artificially injured apple fruits of the cultivar ‘Golden Delicious’ under laboratory conditions. Then, ten apple cultivars were tested for their relative susceptibility to CASC. Differences in the pathogenicity of the CASC isolates were confirmed in the test. The highest degree of pathogenicity was showed by the isolates from the strawberry and DCSBPM J1 from the apple. No cultivars were resistant to the pathogen. The disease incidence ranged from 57.5% to 100%. The individual cultivars showed different susceptibility to the tested isolates. The cultivars ‘Braeburn’, ‘Jonagold’ and ‘Rubinola’ showed the least susceptibility to the pathogen, while the cultivars ‘Jonagored’ and ‘Otava’ were recorded as the most susceptible to CASC. All the tested isolates were confirmed, by the conventional PCR method, to belong to CASC. The sequences of isolates DCSBPM J1 and DCSBPM 1209 were deposited in the GenBank.

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Section: Discussionmentioning

confidence: 99%

Susceptibility of apple fruits from selected cultivars to the Colletotrichum acutatum species complex

Jílková¹,

Víchová²

2022

Plant Prot. Sci.

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“…Methods such as chemical, culture, biological and use of resistant varieties have been employed in the management of anthracnose disease. A major challenge confronting the management of anthracnose disease caused by Colletotrichum is how to properly identify closely related species of the pathogen causing the disease, since some of the Colletotrichum species have similar morphological characteristics and show similar symptoms on infected plants [56,57]. To avoid the issue of improper identification, several studies have advocated the use of molecular methods for accurate identification of Colletotrichum species [54,56,57].…”

Section: Colletotrichum: Current Status and Future Directions 61 Coll...mentioning

confidence: 99%

Anthracnose Disease of Mango: Epidemiology, Impact and Management Options

Kankam¹,

Larbi-Koranteng²,

Adomako³

et al. 2023

Current and Emerging Challenges in the Diseases of Trees

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Mango is one of the frequently cultivated seasonal fruit crops in several tropical and subtropical regions. It is consumed as whole fruits apart from serving as raw materials for most industries that are into mineral production. Mango production is, however, constrained by diseases, pests, and poor post-harvest handling of fruits. Anthracnose disease, caused by Colletotrichum gloeosporioides Penz and Sacc, is one of the most important yields limiting constraint in mango production across the globe. The disease occurs in both the field and post-harvesting. In the field, it affects aboveground parts, such as the stem, branches, leaves, flowers, and fruits. Anthracnose disease reduces the shelve life and marketability of mango fruit. In Ghana, anthracnose disease is responsible for about 30% yield/fruit loss. Most farmers do not control it, although some have resorted to the application of various fungicides not registered for mango anthracnose disease management in Ghana. This chapter will highlight on the importance of the disease on the mango industry in Ghana, control strategies currently employed thereby reducing the over-reliance on chemical control option and propose ways to minimize the effect of the disease in the country.

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“…was prepared as an inoculum to be mixed with sterilized distilled water at a concentration of 10 6 spores/ml. The remained paddy was sprayed with an inoculated fungal solution and left to be cured for 24 hr according to the method of Oo et al (2018). The inoculated paddy dried by ambient air ventilation was used as positive reference while the other paddy was subjected to drying and coating procedures at different conditions.…”

Section: Fungus Growth Analysismentioning

confidence: 99%

Optimization modeling of fluid bed drying and coating technique to control fungal growth and aflatoxin content in paddy

Junka

Rattanamechaiskul

2021

Food Processing Preservation

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Fluid bed drying with temperatures of 70–130°C, together with a coating system based on a zinc oxide nanoparticle (n‐ZnO) solution, was investigated for control of fungal growth in paddy before storage. A mathematical model to find suitable conditions for this process was developed. The installation of the coating system into the drying system was possible and the amount of n‐ZnO in paddy, as detected by an X‐ray diffractometer, related to the operating time. Total phenolic content decreased by 9.4% when a hot air temperature of 130°C was used. The percentage of fungal growth decreased with an increase in hot air temperature and operating time. This decrease could be expressed by a first‐order rate reaction. Specific energy consumption decreased to 72.5% as hot air temperature increased. The mathematical model could predict suitable process conditions to completely control fungal growth and aflatoxin content while maintaining total phenolic content. Novelty impact statement Sangyod rice is a high‐value variety of rice cultivated in Thailand, which is abundant in total phenolic content, including anthocyanins. However, since this species can only be cultivated once a year, the rice is stored in storehouses for long durations of time, where there is the risk of fungal infection. This study reports a novel coating method adapted for the fluid bed drying technique, and its optimization using both experiments and mathematical modeling. The data obtained from this research will have applications for the rice industry.

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Identification and Characterization of Colletotrichum Species Associated with Bitter Rot Disease of Apple in South Korea

Cited by 29 publications

References 21 publications

Susceptibility of apple fruits from selected cultivars to the Colletotrichum acutatum species complex

Susceptibility of apple fruits from selected cultivars to the Colletotrichum acutatum species complex

Anthracnose Disease of Mango: Epidemiology, Impact and Management Options

Optimization modeling of fluid bed drying and coating technique to control fungal growth and aflatoxin content in paddy

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