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Effectiveness of carboxylic acids from Pichia membranifaciens against coffee rust Ciência e Agrotecnologia
Melchor,Rosa Laura Andrade; Rosales,Violeta Galaviz; Pérez,Maria Concepción Garcia; Fernández,Silvia Piñero; Álvarez,Gabriela Olmedo; Mastache,Jose Manuel Narváez.
ABSTRACT Coffee rust is a fungal disease that has affected every coffee-producing region in the world. Given that the effectivity of the protectant and systemic fungicides applied routinely to control the spread of the causative agent of the disease (Hemileia vastatrix) has gradually diminished, besides are harmful to mammals and ecosystems, the objective of this work was to search for a mixture of harmless natural compounds with the potential to be applied in the field. So, a yeast strain producing a battery of long-chain carboxylic acids (CA) with fungicide properties was isolated from soil of coffee crop and identified as Pichia membranifaciens by ITS sequencing. Culture conditions of the yeast were optimized and the CA in the solution were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Natural compounds; Yeast identification; Field studies; Antagonism..
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542018000100042
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