Publications by authors named "A LARACH"

In Chile and worldwide, walnut () production faces significant losses due to crown and root rot caused by the phytopathogen . Currently, control methods have proven insufficient or unfavorable for the environment, increasing the need for sustainable alternatives. This research evaluates nanoemulsions based on extracts of medicinal plants endemic to Chile to control in walnut crops.

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Grapevine trunk diseases (GTDs) attack the vine's wood, devastating vineyards worldwide. Chile is the world's fourth-largest wine exporter, and Cabernet Sauvignon is one of the most economically important red wine varieties. Botryosphaeria dieback is an important GTD, and is one of the main pathogenic species.

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Article Synopsis
  • - Postharvest losses of avocados are primarily due to anthracnose disease from the fungus Colletotrichum gloeosporioides, leading to a search for healthier alternatives to chemical fungicides.
  • - Chitin nanocrystals were modified to enhance their effectiveness and combined with silk fibroins, essential oils, melatonin, and phenylalanine to create active coatings that showed promising antifungal properties.
  • - The best-performing coating, O-NCChit/SF/MT, reduced anthracnose severity by 45%, matching the effectiveness of a commercial fungicide, while maintaining avocado quality during storage.
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Botryosphaeria dieback (BD) occurs in young and old plants. In the field, the prevalence and severity of the disease increase proportionally with the age of vineyards. Among the pathogens that cause BD, is the most prevalent species in Chile and other countries with a Mediterranean climate.

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