Endophytic Seed-Associated Bacteria as Plant Growth Promoters of Cuban Rice (Oryza sativa L.)
| Primer Autor |
Hernandez, Ionel
|
| Co-autores |
Taule, Cecilia
Perez-Perez, Renee
Battistoni, Federico
Fabiano, Elena
Villanueva-Guerrero, Angela
Napoles, Maria Caridad
Herrera, Hector
|
| Título |
Endophytic Seed-Associated Bacteria as Plant Growth Promoters of Cuban Rice (Oryza sativa L.)
|
| Editorial |
MDPI
|
| Revista |
MICROORGANISMS
|
| Lenguaje |
en
|
| Resumen |
Cuban rice cultivars INCA LP-5 and INCA LP-7 are widely distributed in Cuba and Caribbean countries. Although there are studies about rhizospheric bacteria associated with these cultivars, there are no reports about their seed-associated bacteria. This study aimed to isolate endophytic bacteria from rice seeds and select those with the greatest plant growth-promoting traits. A total of nineteen bacterial strains from the genera Pantoea, Bacillus, Paenibacillus, and Pseudomonas were isolated from the husk and endosperm of rice seeds. The strains Pantoea sp. S5-1, Pseudomonas sp. S5-38, and Pseudomonas sp. S7-1 were classified as the most promissory to increase rice growth as they demonstrated the presence of multiple plant growth-promoting traits such as the production of auxins, phosphate, and potassium solubilization, the production of siderophores, and the inhibition of the phytopathogen Pyricularia oryzae. The inoculation of strains of Pantoea sp. and Pseudomonas spp. in rice improves the height, root length, fresh weight, and dry weight of the shoot and root after 21 days post-inoculation in hydroponic assays. This study constitutes the first report on Cuban rice cultivars about the presence of endophytes in seeds and their potential to promote seedling growth. Pantoea sp. S5-1, Pseudomonas sp. S5-38, and Pseudomonas sp. S7-1 were selected as the more promising strains for the development of bio-stimulators or bio-inoculants for Cuban rice crops.
|
| Fecha Publicación |
2023
|
| Tipo de Recurso |
artículo original
|
| doi |
10.3390/microorganisms11092317
|
| Formato Recurso |
PDF
|
| Palabras Claves |
biocontrol
endophytes
Pantoea
plant growth promotion
Pseudomonas
symbiosis
|
| Ubicación del archivo | |
| Categoría OCDE |
Microbiología
|
| Materias |
biocontrol
endófitos
Pantoea
promoción del crecimiento de las plantas
pseudomonas
simbiosis
|
| Identificador del recurso (Mandatado-único) |
artículo original
|
| Versión del recurso (Recomendado-único) |
versión publicada
|
| License |
CC BY 4.0
|
| Condición de la licencia (Recomendado-repetible) |
CC BY 4.0
|
| Derechos de acceso |
acceso abierto
|
| Access Rights |
acceso abierto
|
| Id de Web of Science |
WOS:001076780500001
|
| Tipo de ruta |
verde# dorado
|
| Categoría WOS |
Microbiología
|
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