Rapid spread and high prevalence of the gall rust pathogen Uromycladium falcatariae in stands of Falcataria falcata
Gall rust disease, caused by the pathogenic fungus Uromycladium falcatariae, has become a serious concern in sengon (Falcataria falcata (L.) Greuter & R. Rankin) [syn. Falcataria moluccana (Miq.) Barneby & J.W. Grimes, Paraserianthes falcataria (L.) Nielsen], the third most important commerc...
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2024-10-01
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| Series: | Forest Science and Technology |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/21580103.2024.2388607 |
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| author | Neo Endra Lelana Ujang Wawan Darmawan Hani Sitti Nuroniah Dwi Murti Puspitaningtyas Ragil Setio Budi Irianto |
| author_facet | Neo Endra Lelana Ujang Wawan Darmawan Hani Sitti Nuroniah Dwi Murti Puspitaningtyas Ragil Setio Budi Irianto |
| author_sort | Neo Endra Lelana |
| collection | DOAJ |
| description | Gall rust disease, caused by the pathogenic fungus Uromycladium falcatariae, has become a serious concern in sengon (Falcataria falcata (L.) Greuter & R. Rankin) [syn. Falcataria moluccana (Miq.) Barneby & J.W. Grimes, Paraserianthes falcataria (L.) Nielsen], the third most important commercial forest tree in Indonesia. The aims of the study were to determine how far the pathogen could spread from the inoculum source. We hypothesized that spores disperse over short distances, leading to a gradual infection from the inoculum source. In 2016, a research plot (100 × 500 m) was established adjacent to a four-year-old sengon plantation infected by gall rust to serve as an inoculum source. Five observation plots were established at 100 m intervals from the inoculum source. Disease prevalence monitoring was conducted 1, 2, 4, and 7 years after tree planting. The study found that disease prevalence increased over time, regardless of proximity to the inoculum source. Gall rust infection naturally and rapidly occurred and the spread could reach at least 500 m from the gall rust inoculum source. In the first year of observations, more than 53% of the trees were infected with gall rust disease. Gradual infection within that distance did not occur. In fact, plant infection occurred simultaneously. Natural plant barriers are ineffective at preventing the spread of gall rust over distances of 500 m, indicating that teliospores may play a crucial role in disease dissemination. |
| format | Article |
| id | doaj-art-85f63a0f9bf244dd9b3fa7e1f3ad4e18 |
| institution | Kabale University |
| issn | 2158-0103 2158-0715 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Forest Science and Technology |
| spelling | doaj-art-85f63a0f9bf244dd9b3fa7e1f3ad4e182024-12-13T19:56:40ZengTaylor & Francis GroupForest Science and Technology2158-01032158-07152024-10-0120430931510.1080/21580103.2024.2388607Rapid spread and high prevalence of the gall rust pathogen Uromycladium falcatariae in stands of Falcataria falcataNeo Endra Lelana0Ujang Wawan Darmawan1Hani Sitti Nuroniah2Dwi Murti Puspitaningtyas3Ragil Setio Budi Irianto4Research Center for Applied Microbiology, National Research and Innovation Agency, Bogor, IndonesiaResearch Center for Applied Zoology, National Research and Innovation Agency, Bogor, IndonesiaResearch Center for Applied Botany; National Research and Innovation Agency, Bogor, IndonesiaResearch Center for Applied Botany; National Research and Innovation Agency, Bogor, IndonesiaResearch Center for Applied Microbiology, National Research and Innovation Agency, Bogor, IndonesiaGall rust disease, caused by the pathogenic fungus Uromycladium falcatariae, has become a serious concern in sengon (Falcataria falcata (L.) Greuter & R. Rankin) [syn. Falcataria moluccana (Miq.) Barneby & J.W. Grimes, Paraserianthes falcataria (L.) Nielsen], the third most important commercial forest tree in Indonesia. The aims of the study were to determine how far the pathogen could spread from the inoculum source. We hypothesized that spores disperse over short distances, leading to a gradual infection from the inoculum source. In 2016, a research plot (100 × 500 m) was established adjacent to a four-year-old sengon plantation infected by gall rust to serve as an inoculum source. Five observation plots were established at 100 m intervals from the inoculum source. Disease prevalence monitoring was conducted 1, 2, 4, and 7 years after tree planting. The study found that disease prevalence increased over time, regardless of proximity to the inoculum source. Gall rust infection naturally and rapidly occurred and the spread could reach at least 500 m from the gall rust inoculum source. In the first year of observations, more than 53% of the trees were infected with gall rust disease. Gradual infection within that distance did not occur. In fact, plant infection occurred simultaneously. Natural plant barriers are ineffective at preventing the spread of gall rust over distances of 500 m, indicating that teliospores may play a crucial role in disease dissemination.https://www.tandfonline.com/doi/10.1080/21580103.2024.2388607BasidiosporeGall rust diseaseInoculum sourceMortalityTeliosporeUromycladium falcatariae |
| spellingShingle | Neo Endra Lelana Ujang Wawan Darmawan Hani Sitti Nuroniah Dwi Murti Puspitaningtyas Ragil Setio Budi Irianto Rapid spread and high prevalence of the gall rust pathogen Uromycladium falcatariae in stands of Falcataria falcata Forest Science and Technology Basidiospore Gall rust disease Inoculum source Mortality Teliospore Uromycladium falcatariae |
| title | Rapid spread and high prevalence of the gall rust pathogen Uromycladium falcatariae in stands of Falcataria falcata |
| title_full | Rapid spread and high prevalence of the gall rust pathogen Uromycladium falcatariae in stands of Falcataria falcata |
| title_fullStr | Rapid spread and high prevalence of the gall rust pathogen Uromycladium falcatariae in stands of Falcataria falcata |
| title_full_unstemmed | Rapid spread and high prevalence of the gall rust pathogen Uromycladium falcatariae in stands of Falcataria falcata |
| title_short | Rapid spread and high prevalence of the gall rust pathogen Uromycladium falcatariae in stands of Falcataria falcata |
| title_sort | rapid spread and high prevalence of the gall rust pathogen uromycladium falcatariae in stands of falcataria falcata |
| topic | Basidiospore Gall rust disease Inoculum source Mortality Teliospore Uromycladium falcatariae |
| url | https://www.tandfonline.com/doi/10.1080/21580103.2024.2388607 |
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