Foliar Application of Vegetal-Derived Bioactive Compounds Stimulates the Growth of Beneficial Bacteria and Enhances Microbiome Biodiversity in Lettuce

Frontiers in Plant Science
Francesca LuziatelliMaurizio Ruzzi

Abstract

Many studies on plant biostimulants and organic fertilizers have been focused on the ability of these products to increase crop productivity and ameliorate crop tolerance to abiotic stresses. However, little information is available on their effect on plant microbiota, whereas it is well known that microorganisms associated with plant play crucial roles on the health and productivity of their host. The aim of this study was to evaluate the effect of a vegetal-derived protein hydrolysate (PH), a vegetal-derived PH enriched with copper (Cu-PH), and a tropical plant extract enriched with micronutrients (PE) on shoot growth and the epiphytic bacterial population of lettuce plants and the ability of these products to enhance the growth of beneficial or harmful bacteria. The three plant-derived products enhanced shoot biomass of lettuce plants indicating a biostimulant effect of the products. Data obtained using culture-independent (Terminal Restriction Fragment Length Polymorphism and Next Generation Sequencing) and culture-dependent approaches indicated that foliar application of commercial products altered the composition of the microbial population and stimulated the growth of specific bacteria belonging to Pantoea, Pseudomonas, ...Continue Reading

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Citations

Nov 2, 2019·Microbiology Resource Announcements·Francesca LuziatelliMaurizio Ruzzi
Jun 26, 2021·Frontiers in Plant Science·Mirella SorrentinoKlára Panzarová
Jul 30, 2021·Environmental Science & Technology·Yuepeng SunXu Li
Aug 28, 2021·Biomolecules·Miguel BaltazarBerta Gonçalves

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Datasets Mentioned

BETA
MH329697
MH338201
MH341118
MH375452
MH375462
MH3755548
MH375601
MH375635
MH375453
MH376404

Methods Mentioned

BETA
environmental stress
Assay
genotyping
amplicon sequencing
PCA
PCR

Software Mentioned

SPSS
PAST
Quantitative Insights Into Microbial Ecology ( QIIME
MACROGEN
Clustal Omega
USEARCH
PEAR
PRIMER
iTOL
PHYLIP

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