disease management – Page 3

Tackling Conifer Needle Cast and Ash Dieback with Host-Derived Microbial Antagonists Exhibiting Plant Growth-Promoting Traits

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Scientists discovered native bacteria from European ash and Scots pine trees that can fight two destructive forest diseases: ash dieback and needle cast. These bacteria not only inhibit the disease-causing fungi but also help trees grow better by improving nutrient uptake. This natural approach offers an eco-friendly alternative to fungicide sprays for protecting forests.

Complete genome sequence analysis of Boeremia exigua, a fungal pathogen causing leaf spot disease of Panax notoginseng

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Panax notoginseng, a valuable traditional Chinese medicinal plant, has been affected by a fungal leaf spot disease caused by Boeremia exigua. Researchers sequenced the complete genome of this fungal pathogen for the first time, discovering important genes responsible for its ability to infect plants, including enzymes that break down plant cell walls and proteins that help it evade plant defenses. This genetic information provides a foundation for developing better strategies to protect these valuable medicinal plants from disease.

Harnessing Walnut-Based Zinc Oxide Nanoparticles: A Sustainable Approach to Combat the Disease Complex of Meloidogyne arenaria and Macrophomina phaseolina in Cowpea

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Researchers created tiny particles made from walnut leaves and zinc oxide that can fight harmful plant diseases caused by root-knot nematodes and fungal infections in cowpea plants. When applied to diseased plants, these natural nanoparticles significantly reduced pest populations, improved plant growth and health, and helped plants recover from stress without harming beneficial bacteria in the soil. This green technology offers farmers an environmentally friendly alternative to traditional chemical pesticides.

Editorial: Unraveling pathogen-plant-microbiome interactions in horticultural crops through omics approaches

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This editorial presents a collection of research on how diseases affect valuable crops like tomatoes, tea, and potatoes. Scientists used advanced genetic and molecular techniques to understand how pathogens infect plants and how the beneficial microbes around plant roots can help fight disease. The studies suggest that managing crop diseases sustainably requires understanding the complex interactions between pathogens, plants, and their microbial communities.

First Report of Diaporthe goulteri on Soybean in Germany

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Researchers in Germany discovered a fungal disease called Diaporthe goulteri infecting soybean plants for the first time. This fungus, previously known only from sunflowers in Australia, was isolated from a soybean seed and confirmed through genetic testing. Laboratory experiments showed the fungus can infect soybean stems and cause dark discoloration and tissue damage. This finding is important for soybean farmers as it indicates a new disease threat that may need to be monitored and managed.

In vitro antifungal activity of plant extracts against fungal pathogens of onion (Allium cepa L.) and red pepper (Capsicum annum L.) in selected districts of Western Hararghe, Ethiopia

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Onion and pepper farmers in Ethiopia lose significant crops to fungal diseases, and chemical fungicides are expensive and harmful. This study tested plant extracts from garlic, neem, and African wintersweet against disease-causing fungi. Acokanthera schimperi (African wintersweet) was most effective at stopping fungal growth, offering farmers an affordable, natural, and environmentally safe alternative to chemical fungicides.

Pathogen identification and biological fungicides screening for Plumbago auriculata blight in China

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Researchers in China identified a fungal disease affecting Plumbago auriculata (cape leadwort), a popular ornamental plant. The disease was caused by Fusarium ipomoeae, a fungus that causes yellowing and death of plant tissue. Scientists tested seven biological pesticides and found that osthole, a natural compound, was most effective at controlling the fungus and preventing disease.

Green Synthesized Copper-Oxide Nanoparticles Exhibit Antifungal Activity Against Botrytis cinerea, the Causal Agent of the Gray Mold Disease

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Scientists have developed tiny copper particles using environmentally friendly methods with beneficial fungi to fight gray mold, a devastating disease in vineyards and crops. These green-synthesized nanoparticles were more effective at stopping the fungus than commercial fungicides currently in use. The research shows this approach could be a sustainable alternative that reduces harmful chemicals used in agriculture while protecting crops more effectively.

The dark side of avocados: a review of anthracnose and stem-end rot in postharvest fruit

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Avocados are a valuable global fruit crop, but two fungal diseases—anthracnose and stem-end rot—cause major economic losses by making fruit unmarketable. These fungi infect avocados in the orchard but remain hidden until the fruit ripens, making them difficult to detect and control. Recent advances in detection technology and disease management strategies, including biological controls and natural treatments, offer promising solutions to reduce losses and keep avocados fresh from farm to table.

Non-wounding contact-based Inoculation of fruits with fungal pathogens in postharvest

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Researchers developed a new laboratory method to test how fungal molds spread between fruits during storage without damaging the fruit surface. Using oranges, tomatoes, and apples infected with common storage molds, they showed that disease can successfully spread through simple contact between fruits. The method achieved infection rates of 80% or higher and even detected infections before visible mold appeared using special imaging technology.

Research Topic: disease management