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2022-12-21T20:47:00.0000000Z
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Researchers analyze performance of bacterium in combating coffee rust

Phys.Org

by Ricardo Muniz, FAPESP
A new study has analyzed the potential of a bacterium for biological control of the fungus Hemileia vastatrix, which causes coffee rust, a major challenge for Brazilian coffee growers. An article on the study is published in the journal BMC Microbiology.

The symptoms of coffee rust are yellow spots like burn marks on the leaves of the plant. The disease impairs photosynthesis, making foliage wither and preventing bean-producing cherries from growing until the tree resembles a skeleton. It is typically controlled by the use of copper-based pesticides, which can have adverse effects on the environment.

"This was a basic science study, in which we set out to understand the behavior of bacteria that inhabit the leaves of coffee trees. First of all, there are several compounds that are harmful to bacteria and can be used to attack them," said Jorge Maurício Costa Mondego, last author of the article.

Read on: https://phys.org/news/2022-12-bacterium-combating-coffee-rust.html

Biocontrol
Coffee
Hemileia_vastatrix

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