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Developing a nano-treatment to help save mangroves from deadly disease

Date: 31.7.2024 

Mangroves and palm trees are hallmarks of the Sunshine State not just for their beauty but for their immense importance to Florida's coastlines. Mangroves are crucial because they naturally protect coastal shores from storm damage and serve as vital wildlife habitats around the world.

Kredit: Antoine Hart.Scientists at the University of Central Florida are working to preserve mangroves in Florida and across the world from an increasingly prevalent disease-causing variety of fungi that lies dormant but becomes active when the tree is exposed to stressors such as temperature fluctuation, pests or other diseases.

The disease does not yet have an official name, but it is being referred to by scientists as "Mangrove CNP." It is caused by a group of fungal pathogens, including Curvularia, Neopestalotiopsis, and Pestalotiopsis, that cause yellowing and spots, and gradually weaken the mangrove until it ultimately dies.

The researchers are treating the mangroves by soaking them in a nutrient solution called "Mag Sun" (MgSuN), which is comprised of magnesium and sulfur nanoparticles. The mixture is a refinement of a previous graduate student's formula that destroyed bacteria on tomatoes.

During lab tests, the researchers say they observed growth inhibition of up to 95% when treated with MgSuN at varying concentrations compared to the untreated control. The formula acts as a sort of antibiotic and multivitamin, and it has shown great potential in bolstering the health of infected mangroves at nurseries across Florida.

Image source: Antoine Hart.

 


 

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