Maize Downy Mildew (Peronosclerospora neglecta) in Cambodia, Lao PDR, and Thailand
Article
Sudsanguan, Manorat, Shivas, Roger G., Tan, Yu Pei, Doungsa-ard, Chanintorn, Chittarath, Khonesavane, Heng, Chhun Hy and Nalumpang, Sarunya. 2024. " Maize Downy Mildew (Peronosclerospora neglecta) in Cambodia, Lao PDR, and Thailand." Chiang Mai Journal of Science. 51 (4). https://doi.org/10.12982/CMJS.2024.062
Article Title | Maize Downy Mildew (Peronosclerospora neglecta) in Cambodia, Lao PDR, and Thailand |
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ERA Journal ID | 512 |
Article Category | Article |
Authors | Sudsanguan, Manorat, Shivas, Roger G., Tan, Yu Pei, Doungsa-ard, Chanintorn, Chittarath, Khonesavane, Heng, Chhun Hy and Nalumpang, Sarunya |
Journal Title | Chiang Mai Journal of Science |
Journal Citation | 51 (4) |
Article Number | e2024062 |
Number of Pages | 9 |
Year | 2024 |
Publisher | Chiang Mai University |
Place of Publication | Thailand |
ISSN | 0125-2526 |
1513-489X | |
Digital Object Identifier (DOI) | https://doi.org/10.12982/CMJS.2024.062 |
Web Address (URL) | https://epg.science.cmu.ac.th/ejournal/journal-detail.php?id=11840 |
Abstract | Peronosclerospora species cause downy mildew diseases on maize (Zea mays) worldwide. Maize leaves with symptoms of downy mildew were collected from field crops in Cambodia, Lao PDR, and Thailand, during surveys between 2018 and 2022. Initial determination of the presence of downy mildew on specimens was determined microscopically by the presence of conidiophores and/or oospores in leaf tissue. Phylogenetic analyses of the cytochrome c oxidase subunit II (cox2) gene sequences showed that all specimens were Peronosclerospora neglecta. Reference specimens from Thailand were deposited at the Thai Plant Pathology Herbarium, Bangkok, Thailand, while those from Cambodia and Lao PDR were deposited at the Queensland Plant Pathology Herbarium, Australia. Peronosclerospora neglecta was widespread in field crops of maize in Cambodia, Lao PDR, and Thailand during the survey period. This is the first time that P. neglecta has been reported in Cambodia and Lao PDR. |
Keywords | crops surveyed; disease; downy mildew; grasses; phylogeny |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 310705. Mycology |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions, but may be accessed online. Please see the link in the URL field. |
Byline Affiliations | Chiang Mai University, Thailand |
Department of Agriculture, Thailand | |
Centre for Crop Health | |
Department of Agriculture and Fisheries, Queensland | |
Department of Agriculture, Laos | |
Department of Plant Protection, Cambodia |
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