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Plant growth promoting potential of endophytic Aspergillus niger 9-p isolated from native forage grass in Pantanal of Nhecolândia region, Brazil by Galeano, Rodrigo Mattos Silva (author);Franco, Daniel Guerra (author);Chaves, Patrícia Oliveira (author);Giannesi, Giovana Cristina (author);Masui, Douglas Chodi (author);Ruller, Roberto (author);Corrêa, Bianca Obes (author);da Silva Brasil, Marivaine (author);Zanoelo, Fabiana Fonseca (author) is a Agricultural and Biological Sciences article available to read on EtoBox.

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The use of plant growth-promoting fungi (PGPF) is a more environmentally friendly strategy than the use of fertilizers and pesticides in the field. These beneficial fungi have direct and indirect mechanisms that promote plant growth and protection. This study aimed to biochemically characterize the fungal Aspergillus niger 9-P isolated from native forage grass in the Pantanal of Nhecolândia region, concerning the production of plant growth-promoting (PGP) traits. The production of indole-3-acetic acid (IAA) was determined in relation to different physical-chemical parameters, phosphate solubilization, and production of siderophores by qualitative and quantitative methods. In addition, we investigated the production of ammonia, 1-aminocyclopropane-1carboxylate (ACC) deaminase, and enzymes such as phosphatases, proteases, and other hydrolases (amylase, CMCase, pectinase, and xylanase) of agricultural interest. A pot experiment using common bean plants was carried out in a greenhouse for 30 days to evaluate the effect of the isolate on promoting plant growth. Briefly, the fungus showed the production of IAA (32.65 ± 1.26 μg mL -1 ), siderophores (88% of siderophore units after 10 days

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Author

Galeano, Rodrigo Mattos Silva (author);Franco, Daniel Guerra (author);Chaves, Patrícia Oliveira (author);Giannesi, Giovana Cristina (author);Masui, Douglas Chodi (author);Ruller, Roberto (author);Corrêa, Bianca Obes (author);da Silva Brasil, Marivaine (author);Zanoelo, Fabiana Fonseca (author)

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)