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Surveying the capacity to inhibit colletotrichum spp. fungus causing anthropathy on dragon fruits, prevention and treatment with plant extracts
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Abstract
Biological studies on the ability of induced resistance of four kinds of fresh or wilted leaf extracts, including neem (Azadirachta indica), onion (Allium cepa), eucalyptus (Eucalyptus camaldulensis), and garlic (Allium sativum). The extracts were tested at concentrations of 25%, 30% and 35% against anthracnose disease on dragon fruit caused by Colletotrichum sp. under laboratory conditions at Dong Thap University. The aim was to evaluate the resistance-inducing potential of the four plant extracts based on disease reduction and inhibition of spore formation. The results showed that two types of extracts, neem leaf and eucalyptus leaf extracts at a concentration of 35%, effectively inhibited mycelial growth at 1 day post-treatment, but its effect decreased over time. Regarding spore formation inhibition, treatments with neem extract at concentrations of 30% and 35% exhibited high effectiveness (93.78% and 92.12%, respectively). Treatments with plant extracts on the fruit showed significant inhibitory effects on fungal growth at 7 and 8 days post-treatment.
Keywords
Anthracnose, Allium cepa, Azadirachta indica, Eucalyptus camaldulensis
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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
References
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