plant pathology – Page 8

Characterization and Biological Characteristics of Alternaria, Botryosphaeria, Pestalotiopsis, and Trichothecium Species Associated with Postharvest Loquat Fruit Rot in Yunnan, China

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Researchers in China identified four types of fungal pathogens responsible for loquat fruit rot after harvest. These fungi cause different symptoms ranging from ring-shaped spots to soft decay, with infection rates between 4-12%. The study confirmed each pathogen’s ability to cause disease and found that some are more aggressive than others. This research helps growers understand what causes loquat spoilage and suggests that careful handling and cool storage can reduce losses.

Investigating the activity of Bacillus subtilis and Trichoderma harzianum to mitigate Fusarium wilt disease of diverse cultivars of Vicia faba

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Fava beans are damaged by a fungus called Fusarium that causes wilting and crop loss. Scientists tested two beneficial microorganisms—Trichoderma harzianum and Bacillus subtilis—as natural alternatives to chemical fungicides. Trichoderma worked better, reducing disease by over 70% while also boosting plant health and bean production in two different fava bean varieties.

Bio-stimulants for plant growth promotion and sustainable management of Rhizoctonia Solani causing black scurf of potato tubers

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Researchers tested natural treatments called bio-stimulants to help potato plants fight black scurf disease caused by a fungus called Rhizoctonia solani. They found that combining mycorrhizal fungi with seaweed extract was the most effective at reducing disease and improving potato quality. These natural treatments can enhance plant growth and tuber yield while reducing the need for chemical fungicides, making them valuable for sustainable potato farming.

Isolation, Identification, and In Vitro Fungicide Screening of the Pathogen Associated with Pear Dry Blight

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Pear dry blight is a serious fungal disease affecting pear orchards in China. Researchers identified the fungus Diaporthe fukushii as the cause and tested various fungicides to find the most effective treatments. The study found that thiophanate-methyl and difenoconazole mixed with propiconazole work best, while some other fungicides are less effective. The research provides farmers with evidence-based strategies to manage this devastating disease.

Complete mitochondrial genome of the fungal pathogen Fusarium oxysporum f. sp. palmarum responsible for fusarium wilt of palms

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Scientists sequenced the complete genetic material found in the mitochondria of a fungus called Fusarium oxysporum that causes a disease in palm trees. This fungus, which was collected from a sick Mexican fan palm in Florida, destroys palm fronds and can kill the tree. By mapping out this genetic information, researchers now have a better tool to quickly identify and track this harmful pathogen, which will help protect ornamental palm trees.

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.

Didymellaceae species associated with tea plant (Camellia sinensis) in China

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Researchers identified 25 different fungal species from the Didymellaceae family that can infect tea plant leaves in China, including six previously unknown species. By testing how harmful these fungi are to tea plants, they found that some species cause severe damage while others are harmless. These findings help tea farmers understand and manage leaf blight disease that threatens tea crop production.

Phylogenetic diversity of Colletotrichum species (Sordariomycetes, Glomerellales, Glomerellaceae) associated with plant diseases in Thailand

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Researchers in Thailand studied a common fungal plant pathogen called Colletotrichum that causes diseases like anthracnose and leaf spots on various plants. They identified eight different species of this fungus and discovered two previously unknown species. The study helps farmers and plant scientists better understand and identify these disease-causing fungi to protect their crops.

Biocontrol of Fusarium oxysporum f. sp. cepae on Indonesian Local Garlic Plants (Lumbu Hijau) Using a Consortium of Bacillus amyloliquefaciens B1 and Arbuscular Mycorrhizal Fungi

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Researchers developed an effective biological solution to protect Indonesian garlic plants from a destructive fungal disease called Fusarium wilt. Using a combination of beneficial bacteria (Bacillus amyloliquefaciens) and fungi (arbuscular mycorrhizal fungi), they reduced disease damage by 39% while making plants grow larger and stronger. This natural approach offers a safer alternative to chemical fungicides and could help garlic farmers maintain healthy crops.

Novel genus and species of Diaporthostomataceae (Diaporthales) in China

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Researchers discovered a new genus of fungi called Tiania with three new species in Chinese forests. These fungi cause branch canker and leaf spot diseases on oak and stone oak trees. The study used DNA analysis and microscopy to identify and describe these rare fungi, which had never been fully documented before.

Research Topic: plant pathology