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The Response of Maize to Inoculation withArthrobactersp. andBacillussp. in Phosphorus-Deficient, Salinity-Affected Soil
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SYSNO ASEP 0532718 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title The Response of Maize to Inoculation withArthrobactersp. andBacillussp. in Phosphorus-Deficient, Salinity-Affected Soil Author(s) Vanissa, T.T.G. (DE)
Berger, B. (AT)
Patz, S. (DE)
Becker, M. (DE)
Turečková, Veronika (UEB-Q) RID, ORCID
Novák, Ondřej (UEB-Q) RID, ORCID, SAI
Tarkowská, Danuše (UEB-Q) RID, ORCID
Henri, F. (CM)
Ruppel, S. (DE)Number of authors 9 Article number 1005 Source Title Microorganisms. - : MDPI
Roč. 8, č. 7 (2020)Number of pages 18 s. Language eng - English Country CH - Switzerland Keywords growth-promoting bacteria ; plant-growth ; salt tolerance ; quantitative-analysis ; gibberellins ; varieties ; stress ; impact ; acids ; bacterial inoculation ; P deficiency ; salinity stress ; maize ; plant growth ; phytohormone production Subject RIV EB - Genetics ; Molecular Biology OECD category Biochemical research methods R&D Projects EF16_019/0000738 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA18-10349S GA ČR - Czech Science Foundation (CSF) Method of publishing Open access Institutional support UEB-Q - RVO:61389030 UT WOS 000556751500001 EID SCOPUS 85090745077 DOI 10.3390/microorganisms8071005 Annotation Salinity and phosphorus (P) deficiency are among the most serious soil factors constraining crop productivity. A proposed strategy for alleviating these stresses is supporting plants by inoculation with growth-promoting rhizobacteria (PGPR). Here, a comparison of the ability of two maize composite and two F1 hybrid varieties to tolerate a P deficiency in either a saline or a non-saline environment showed that the uptake of nutrients by all four entries was significantly reduced by the imposition of both soil salinity and P deficiency, and that their growth was compromised to a similar extent. Subsequently, the ameliorative effect of inoculation with three strains of eitherArthrobactersp. orBacillussp. in an environment, which suffered simultaneously from salinity and P deficiency, was investigated. Inoculation with each of the strains was found to limit the plants' uptake of sodium cations, to increase their uptake of potassium cations, and to enhance their growth. The extent of the growth stimulation was more pronounced for the composite varieties than for the F1 hybrid ones, although the amount of biomass accumulated by the latter, whether the plants had been inoculated or not, was greater than that of the former varieties. When the bacterial strains were cultured in vitro, each of them was shown as able to produce the phytohormones auxin, abscisic acid, gibberellins, and cytokinins. The implication is that since the presence in the rhizospere of bothArthrobactersp. andBacillussp. strains can support the growth of maize in salinity-affected and P deficient soils in a genotype-dependent fashion, it is important to not only optimize the PGPR strain used for inoculation, but also to select maize varieties which can benefit most strongly from an association with these bacteria. Workplace Institute of Experimental Botany Contact David Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469 Year of Publishing 2021 Electronic address http://doi.org/10.3390/microorganisms8071005
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