Research Keyword: apple disease

Valorization of Quercus suber L. Bark as a Source of Phytochemicals with Antimicrobial Activity against Apple Tree Diseases

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This research shows that waste cork from bottle stopper production contains natural compounds with strong antimicrobial properties. When combined with chitosan oligomers, these cork extracts effectively inhibit fungal and bacterial pathogens that damage apple trees. The natural antimicrobial activity was even more potent than some commercial synthetic fungicides, suggesting cork waste could provide an environmentally sustainable alternative for protecting fruit crops.

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Genome resource of Phlyctema vagabunda strain 19EL15, a pathogen of post-harvest bull’s eye rot of apple

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Scientists sequenced the complete genetic blueprint of a fungus called Phlyctema vagabunda that causes serious damage to apples and pears after harvest, particularly creating brown spots called bull’s eye rot. The fungus is found across Europe and North America and costs farmers significant money in crop losses. This genetic information will help researchers better understand how the fungus works and develop better ways to prevent or manage the disease.

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Integrated transcriptome and metabolome profiling reveals mechanisms underlying the infection of Cytospora mali in “Jin Hong” branches

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This research examined how apple trees defend themselves against a serious fungal disease called Valsa canker caused by Cytospora mali. Scientists used advanced genetic and chemical analysis techniques to identify which genes and protective compounds are activated when apple branches are infected. They found that healthy apple trees fight the infection by strengthening their cell walls, producing special protective enzymes, and accumulating defense chemicals like α-linolenic acid and betaine. These discoveries could help develop better ways to prevent or manage this destructive disease in apple orchards.

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Global Analysis of microRNA-like RNAs Reveals Differential Regulation of Pathogenicity and Development in Fusarium oxysporum HS2 Causing Apple Replant Disease

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Apple replant disease is caused by a fungus that damages apple tree roots and reduces fruit production. Researchers discovered that this fungus uses special regulatory molecules called microRNA-like RNAs to control its growth and disease-causing abilities, especially during the spore stage. These findings could help scientists develop new ways to control the disease using RNA-based treatments.

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