Publications by authors named "Wensong Sun"
The agroforestry system with high biodiversity enhances ecosystem stability and reduces vulnerability to environmental disturbances and diseases. Investigating the mechanisms of interspecies allelopathic interactions for disease suppression in agroforestry offers a sustainable strategy for plant disease management. Here, we used Panax ginseng cultivated under Pinus koraiensis forests, which have low occurrences of Alternaria leaf spot, as a model to explore the role of allelochemicals in disease suppression.
View Article and Find Full Text PDFGinseng black spot, caused by , is one of the most common diseases of , which usually causes serious yield loss of ginseng plants. However, the pathogenic mechanism of has not been clarified clearly. Mycotoxins produced by phytopathogens play an important role in the process of infection.
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- Strain XJFL-1 was isolated in Liaoning Province, China, as a pathogen responsible for ginseng bacterial soft rot, using various testing methods including tissue separation and molecular analysis.
- Morphological traits confirmed that XJFL-1 belongs to the Pseudomonads genus, and molecular tests showed its close relation to P. glycinae.
- This study is significant as it identifies P. glycinae as the first reported pathogen causing bacterial root rot in ginseng in China, enhancing understanding of this plant disease.
American ginseng (Panax quinquefolium L.) is one of the most valuable herb crops because of its unique pharmacological effects. In 2019, American ginseng plants withered and root rot with incidences of 20-45% were observed in about 70000m2 of ginseng production field located in mountainous valley of Benxi city (41º23'32" N, 124º04'27" E), Liaoning Province in China.
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- - Gentiana scabra bunge, a traditional Chinese medicine crop, faced severe root rot in a field in Liaoning province, China, with about 25% of the plants affected, particularly those that were two years old.
- - Symptoms included wilting, darkening, and rotting of roots, leading to plant death, prompting researchers to analyze infected root tissue for fungal presence.
- - The fungus was identified as Fusarium oxysporum through morphological characteristics and molecular techniques, with genetic sequences confirmed and deposited in GenBank for further study.
Endophytic fungi from desert, arid, and grassland areas are an ecologically important but unique group with poor chemical investigation. During our ongoing study to mine bioactive secondary metabolites from unique fungal environments, a new shunt product spiciferone F (1) including two new analogs spiciferones G (2) and H (3) together with four known ones spiciferone A (4), spiciferol A (5), 6, and 7 were isolated from endophytic fungus Phoma betae inhabiting in plant Kalidium foliatum (Pall.) Moq from Ningxia Province of West China.
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