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dc.contributor.author
Yarte, Mauro Enrique  
dc.contributor.author
Santos, María Paula  
dc.contributor.author
Gismondi, Maria Ines  
dc.contributor.author
Llorente, Berta Elizabet  
dc.contributor.author
Larraburu, Ezequiel Enrique  
dc.date.available
2023-09-29T18:31:12Z  
dc.date.issued
2022-12  
dc.identifier.citation
Yarte, Mauro Enrique; Santos, María Paula; Gismondi, Maria Ines; Llorente, Berta Elizabet; Larraburu, Ezequiel Enrique; Evaluation of native plant growth-promoting rhizobacteria in Handroanthus impetiginosus micropropagation; Springer; Trees; 37; 3; 12-2022; 641-652  
dc.identifier.issn
0931-1890  
dc.identifier.uri
http://hdl.handle.net/11336/213657  
dc.description.abstract
Key message: Stenotrophomonas, Advenella, Sphingobacterium, Brevundimonas, and Bacillus strains isolated from the H. impetiginosus rhizosphere improve rooting percentages, biometric parameters, and biochemical features of in vitro pink lapacho plants. Abstract: Handroanthus impetiginosus ‘pink lapacho’ (Bignoniaceae) is a woody plant native from South America with high ornamental and medicinal value. Plant growth-promoting rhizobacteria (PGPR) are widely described to promote plant growth by improving nutrient acquisition and secreting phytohormones, among other mechanisms. Although in vitro culture is widely recommended for woody plant propagation, it usually presents difficulties in rooting and subsequent acclimatisation. This fact causes significant economic losses in commercial production. The aim of this work was to isolate and characterize native rhizospheric bacteria from pink lapacho and evaluate their plant growth promotion abilities during in vitro rooting. Six bacterial strains identified as Stenotrophomonas L20, Advenella sp L21, Sphingobacterium sp. L22, Brevundimonas L23, and Bacillus L24 and L25 were isolated from the H. impetiginosus rhizosphere. Most of them were able to grow in nitrogen-free medium, solubilize phosphate and zinc compounds, and produce indolic compounds. Advenella sp. L21, Sphingobacterium sp. L22, and Bacillus sp. L25 significantly increased (over 32%) rooting percentages of non-induced plants. The combination of IBA induction and bacterization with Advenella sp. L21, Sphingobacterium sp. L22, Brevundimonas sp. L23, and Bacillus sp. L24 increased the number of rooted plants between 15 and 20% compared to the control shoots. In addition, Advenella sp. L21 and Bacillus sp. L25 caused the greatest increases in all root development parameters and fresh and dry shoot weights. Our results support that the use of microorganisms in micropropagation could prevent plant loss and reduce the high costs of production by minimising synthetic auxins requirements.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Springer  
dc.rights
info:eu-repo/semantics/restrictedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
BIOCHEMICAL CHANGES  
dc.subject
BIOMETRIC PARAMETERS INDEX  
dc.subject
HANDROANTHUS IMPETIGINOSUS  
dc.subject
IN VITRO ROOTING  
dc.subject
PLANT GROWTH-PROMOTING RHIZOBACTERIA  
dc.subject.classification
Agronomía, reproducción y protección de plantas  
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Agricultura, Silvicultura y Pesca  
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CIENCIAS AGRÍCOLAS  
dc.title
Evaluation of native plant growth-promoting rhizobacteria in Handroanthus impetiginosus micropropagation  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2023-07-08T00:21:49Z  
dc.journal.volume
37  
dc.journal.number
3  
dc.journal.pagination
641-652  
dc.journal.pais
Alemania  
dc.journal.ciudad
Berlín  
dc.description.fil
Fil: Yarte, Mauro Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Luján. Departamento de Ciencias Básicas; Argentina  
dc.description.fil
Fil: Santos, María Paula. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Luján. Departamento de Ciencias Básicas; Argentina  
dc.description.fil
Fil: Gismondi, Maria Ines. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Agrobiotecnología y Biología Molecular. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Agrobiotecnología y Biología Molecular; Argentina. Universidad Nacional de Luján. Departamento de Ciencias Básicas; Argentina  
dc.description.fil
Fil: Llorente, Berta Elizabet. Universidad Nacional de Luján. Departamento de Ciencias Básicas; Argentina  
dc.description.fil
Fil: Larraburu, Ezequiel Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Luján. Departamento de Ciencias Básicas; Argentina  
dc.journal.title
Trees  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/10.1007/s00468-022-02372-3  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00468-022-02372-3