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Application of the Maryblyt Model for the Infection of Fire Blight on Apple Trees at Chungju, Jecheon, and Eumsung during 2015-2020
Mun-Il Ahn, Sung Chul Yun 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 6호 5 543-554 (12 pages)
To preventively control fire blight in apple trees and determine policies regarding field monitoring, the Ma- ryblyt ver. 7.1 model (MARYBLYT) was evaluated in the cities of Chungju, Jecheon, and Eumseong in Korea from 2015 to 2020. The number of blossom infection alerts was the highest in 2020 and the lowest in 2017 and 2018. And the common feature of MARYBLYT blossom infection risks during the flowering period was that the time of BIR-High or BIR-Infection alerts was the same regardless of... -
Microbial Community Dysbiosis and Functional Gene Content Changes in Apple Flowers due to Fire Blight
Hyun Gi Kong, Hyeonheui Ham, Mi-Hyun Lee, Dong Suk Park, Yong Hwan Lee 한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 4호 10 404-412 (9 pages)
Despite the plant microbiota plays an important role in plant health, little is known about the potential interactions of the flower microbiota with pathogens. In this study, we investigated the microbial community of apple blossoms when infected with Erwinia amylovora. The long-read sequencing technology, which significantly increased the genome sequence resolution, thus enabling the characterization of fire blight- induced changes in the flower microbial community. Each sample showed a unique... -
Identification of Plant Viruses Infecting Pear Using RNA Sequencing
Nam-Yeon Kim, Hyo-Jeong Lee, Hong-Sup Kim, Su-Heon Lee, Jae-Sun Moon, Rae-Dong Jeong 한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 5 258-267 (10 pages)
Asian pear (Pyrus pyrifolia) is a widely cultivated and commercially important fruit crop, which is occasion- ally subject to severe economic losses due to latent viral infections. Thus, the aim of the present study was to ex- amine and provide a comprehensive overview of virus populations infecting a major pear cultivar (‘Singo’) in Korea. From June 2017 to October 2019, leaf samples (n = 110) of pear trees from 35 orchards in five major pear-producing regions were collected and subjected to... -
Current Classification of the Bacillus pumilus Group Species, the Rubber- Pathogenic Bacteria Causing Trunk Bulges Disease in Malaysia as Assessed by MLSA and Multi rep-PCR Approaches
Ainur Ainiah Azman Husni, Siti Izera Ismail, Noraini Md. Jaafar, Dzarifah Zulperi 한국식물병리학회 The Plant Pathology Journal 15 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 4 243-257 (15 pages)
Bacillus pumilus is the causal agent of trunk bulges dis- ease affecting rubber and rubberwood quality and yield production. In this study, B. pumilus and other closely related species were included in B. pumilus group, as they shared over 99.5% similarity from 16S rRNA analysis. Multilocus sequence analysis (MLSA) of five housekeeping genes and repetitive elements-based poly- merase chain reaction (rep-PCR) using REP, ERIC, and BOX primers conducted to analyze the diversity and systematic... -
Genetic and Pathogenic Characterization of Bacterial Wilt Pathogen, Ralstonia pseudosolanacearum (Ralstonia solanacearum Phylotype I), on Roses in Korea
Ingyeong Lee, Yeong Son Kim, Jin-Won Kim, Duck Hwan Park 한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 5호 6 440-449 (10 pages)
The purpose of this study was to analyze the genetic and pathogenic characteristics of Ralstonia pseudosolanacearum in roses in Korea, and to examine the similarities and differences between Korean isolates and the first-reported European strains. Between 2017 and 2019, seventeen isolates from rose plants were identified as R. pseudosolanacearum using Ralstonia-specific primers. All 17 isolates were identified as race 1 using race-specific primers, and were confirmed as biovar 3 due to their... -
Mixed Infection of Sugarcane Yellow Leaf Virus and Grassy Shoot Phytoplasma in Yellow Leaf Affected Indian Sugarcane Cultivars
Kadirvel Nithya, Balasubramaniam Parameswari, Rasappa Viswanathan 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 4호 7 364-377 (14 pages)
Sugarcane is an important sugar crop contributes more than 80% of world sugar production. Mosaic, leaf fleck, and yellow leaf (YL) are the major viral diseases af- fecting sugarcane, amongst YL occurrence is widely reported in all the sugarcane growing countries. It is caused by Sugarcane yellow leaf virus (SCYLV) and detailed works were done on complete genome charac- terization, transmission, and management. However, in countries like Egypt, South Africa, Cuba, Mauritius and Hawaii, the... -
Bacteriophage Usage for Bacterial Disease Management and Diagnosis in Plants
Nguyen Trung Vu, Chang-Sik Oh 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 3호 2 204-217 (14 pages)
In nature, plants are always under the threat of pests and diseases. Pathogenic bacteria are one of the ma- jor pathogen types to cause diseases in diverse plants, resulting in negative effects on plant growth and crop yield. Chemical bactericides and antibiotics have been used as major approaches for controlling bacterial plant diseases in the field or greenhouse. However, the appearance of resistant bacteria to common antibiot- ics and bactericides as well as their potential negative effects... -
Natural Variation in Virulence of Acidovorax citrulli Isolates That Cause Bacterial Fruit Blotch in Watermelon, Depending on Infection Routes
Yu-Rim Song, In Sun Hwang, Chang-Sik Oh 한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2020, 36권 1호 3 29-42 (14 pages)
Acidovorax citrulli causes bacterial fruit blotch in Cucurbitaceae, including watermelon. Although A. citrulli is a seed-borne pathogen, it can cause diverse symptoms in other plant organs like leaves, stems and fruits. To determine the infection routes of A. citrulli, we examined the virulence of six isolates (Ac0, Ac1, Ac2, Ac4, Ac8, and Ac11) on watermelon using several inoculation methods. Among six isolates, DNA polymorphism reveals that three isolates Ac0, Ac1, and Ac4 belong to Clonal... -
Characterization of Nivalenol-Producing Fusarium asiaticum That Causes Cereal Head Blight in Korea
Ja Yeong Jang, Seul Gi Baek, Jung-Hye Choi, Sosoo Kim, Jeomsoon Kim, Da-Woon Kim, Sung-Hwan Yun, Theresa Lee 한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 6호 1 543-552 (10 pages)
Fusarium asiaticum of the F. graminearum species complex causes head blight in small-grain cereals. The nivalenol (NIV) chemotypes of F. asiaticum is more common than the deoxynivalenol (DON) chemotypes of F. asiaticum or F. graminearum in Korea. To understand the prevalence of F. asiaticum–NIV in Korean cereals, we characterized the biological traits of 80 cereal isolates of F. asiaticum producing NIV or 3-acetyl-deoxynivalenol (3-ADON), and 54 F. graminearum with 3-ADON or... -
Biocontrol of Citrus Canker Disease Caused by Xanthomonas citri subsp. citri Using an Endophytic Bacillus thuringiensis
Nurul Islam, Sarafat Ali, Seong-Jin Choi, Jae-Wook Hyun, Kwang-Hyun Baek 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 5호 9 486-497 (12 pages)
Citrus canker is a devastating disease of citrus caused by Xanthomonas citri subsp. citri (Xcc). A total of 134 endophytic bacteria were isolated from various gymnospermic and angiospermic plants. They were screened for their antagonistic activities against three wild-type and six streptomycin-resistant Xcc strains. TbL-22 and TbL-26, both later identified as Bacillus thuringiensis, inhibited all the wild and resistant Xcc strains. TbL-22 exerted the highest antagonistic activity against XccW3...
