Research Topic: disease identification

Identification of a pathogen causing fruiting body rot of Sanghuangporus vaninii

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Sanghuang, a valuable medicinal mushroom grown in China, was suffering from a disease that damaged fruiting bodies and reduced production. Researchers identified the cause as a green mold fungus called Trichoderma virens. The fungus grows best at 25°C and strongly inhibits the mushroom’s growth. Understanding this pathogen is the first step toward developing better ways to prevent the disease and protect this important medicinal crop.

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Unveiling Species Diversity of Plectosphaerellaceae (Sordariomycetes) Fungi Involved in Rhizome and Root Rots of Ginger in Shandong Province, China

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Researchers in China identified four fungal species that cause serious diseases in ginger plants, destroying the underground rhizomes and roots. Two of these species are newly discovered and named after the ginger host and the region where they were found. These fungi are major threats to ginger farming in China’s largest ginger-producing region, causing crop losses ranging from 20-100%.

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Clonostachys rosea, a Pathogen of Brown Rot in Gastrodia elata in China

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Researchers in China identified a fungus called Clonostachys rosea as the cause of brown rot disease affecting Gastrodia elata (Tian Ma), an important medicinal orchid plant. The disease causes brown spots on tubers that expand and darken, significantly reducing crop yield and quality. The study involved detailed examination of the fungus under microscopes, genetic analysis, and confirmation that the fungus could cause disease in healthy plants. These findings will help farmers prevent and control this disease through proper soil management and selection of healthy seed tubers.

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First Report of Fusarium avenaceum Causing Blight on Juniperus formosana in China: Morphological and Molecular Characterization

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Juniperus formosana is a beautiful ornamental plant used in landscaping. In October 2024, researchers discovered that a fungus called Fusarium avenaceum was causing a blight disease on these plants in Kaili City, China, making the needles turn yellow and wither. Through detailed examination of the fungus under a microscope and DNA testing, scientists confirmed this is the first time this particular fungus has been found causing this disease on Juniperus formosana in China.

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Botryosphaeriaceae Species Causing Stem Blight and Dieback of Blueberries in Serbia

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Researchers in Serbia studied fungal diseases affecting blueberry plants and identified four different disease-causing fungi. They found that Lasiodiplodia iraniensis, a fungus previously unknown on blueberries worldwide, is now infecting Serbian blueberry orchards. The study shows that the ‘Duke’ blueberry variety is more susceptible to infection than other varieties, and that the disease likely spreads through infected planting materials used to establish new orchards.

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