Research Keyword: molecular identification

Twenty-nine new host records of powdery mildew fungi (Erysiphaceae) in Taiwan with an updated checklist

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Researchers updated Taiwan’s list of powdery mildew fungi, which are harmful plant pathogens affecting crops and trees worldwide. By collecting specimens from various locations and analyzing them using genetic sequencing and microscopy, they identified 29 new host-fungus combinations, with six Erysiphaceae species documented in Taiwan for the first time. The updated checklist now includes approximately 109 powdery mildew species known to affect 246 different host plant species across 75 plant families in Taiwan.

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Fusarium suttonianum Identified as the Causal Agent of Root Rot in Plukenetia volubilis in Peru

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Scientists in Peru discovered that a fungus called Fusarium suttonianum is causing root rot disease in sacha inchi plants, an important crop known for its omega-3 rich seeds. Using both traditional microscopy and modern DNA testing, researchers confirmed this fungus as the culprit and demonstrated it can cause the same disease symptoms in healthy plants. This discovery is important for farmers because it provides the first scientific identification of this disease threat in Peru, enabling the development of better disease prevention and control strategies.

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First Report of Trametes hirsuta, Causal Agent White Rot in Avocado Trees Grown in the State of Michoacán, México

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Scientists in Mexico discovered a wood-rotting fungus called Trametes hirsuta infecting avocado trees for the first time. The fungus causes white rot disease that damages tree wood and can kill trees within 3-5 years. Researchers found the fungus on 60% of avocado trees in Michoacán orchards and confirmed its destructive effects through laboratory tests. Treatment options include pruning infected areas and applying antifungal chemicals or biological control agents.

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