Disease: wilting

A review and case study of Rhododendron moulmainense highlights the feasibility and adaptation of evergreen Rhododendron plants to current environmental challenges

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This study examines Rhododendron moulmainense, a beautiful alpine flowering plant being adapted for urban gardens. Researchers discovered that special soil fungi living in the plant’s roots help it survive stress like drought and heat. The study details multiple ways to grow new plants through cuttings, tissue culture, and seeds, with success rates over 90%. Understanding this plant’s adaptation mechanisms provides strategies for introducing more alpine rhododendrons to lower-altitude cities while improving their resilience to climate challenges.

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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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Researchers discovered that a wood-decay fungus called Trametes hirsuta is causing serious damage to avocado trees in Michoacán, México, the world’s largest avocado-producing region. The fungus infects tree trunks and branches, causing white rot that eventually kills the trees. About 60% of surveyed avocado trees showed signs of infection. Laboratory experiments confirmed that this fungus, previously known only as a decomposer of dead wood, can actively infect and destroy living avocado trees through wounds in the bark.

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Whole-genome sequencing of Fusarium oxysporum K326-S isolated from tobacco

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Scientists have sequenced the complete genetic code of a fungus called Fusarium oxysporum that infects tobacco plant roots, causing them to wilt and turn brown. This fungus is a major problem for tobacco farmers because it lives in soil and is difficult to control. By mapping out all 17,272 genes in this fungus, researchers now have detailed information that will help them develop better ways to prevent and manage this disease.

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The Toxin-Producing Ability of Fusarium Proliferatum Strains Isolated from Grain

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Scientists studied a common fungus called Fusarium proliferatum that contaminates grain crops like wheat, oats, and maize. They identified 12 different strains of this fungus and tested how much toxic substances they could produce. All of the strains produced dangerous toxins called fumonisins and other harmful compounds that can make the grain unsafe to eat. The findings show farmers and grain producers need to monitor their crops carefully to prevent this fungal contamination.

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The Heterogeneity of Ornamental Plants in Nurseries Increases the Chance of Finding New Hosts for Phytophthora

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Ornamental plant nurseries in Mexico are frequently affected by Phytophthora pathogens that cause rotting, wilting, and dieback in flowers and ornamental plants. This study identified seven different Phytophthora species infecting 13 types of ornamental plants in Mexican nurseries, including two species never before reported as hosts for the pathogen anywhere in the world. The diversity of plants grown together in nurseries increases the likelihood that the pathogen will spread to new host plants and escape to home gardens and natural ecosystems.

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