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Effect of Biostimulants Containing Rhizobacteria on the Growth of Wheat, Barley, and Oilseed Rape Under Various Soil Moisture Conditions

cris.virtual.author-orcid#PLACEHOLDER_PARENT_METADATA_VALUE#
cris.virtual.author-orcid0000-0002-2584-9911
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cris.virtual.author-orcid0000-0001-5387-990X
cris.virtual.author-orcid0000-0002-6095-3167
cris.virtual.author-orcid0000-0003-1470-7026
cris.virtual.author-orcid0000-0002-1621-9184
cris.virtual.author-orcid0000-0002-9670-3231
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cris.virtualsource.author-orcid059a7097-c104-45fb-9494-ddc2ec07112a
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cris.virtualsource.author-orcidbf8c4a71-e56e-4364-baae-3f52ff0ceb6f
cris.virtualsource.author-orcidd580fec6-bbe3-4b0a-bc14-1d11cdac2fb6
cris.virtualsource.author-orcidef3ba40f-48c3-4890-9ae0-eb39c599191a
cris.virtualsource.author-orcid76c5c1f5-b5b8-4eba-b333-518a28b65268
cris.virtualsource.author-orcidd5bc5072-424b-49a4-92ce-2da11fa5d021
dc.abstract.enPreparations containing appropriate microorganisms stimulate plant growth and are increasingly used to alleviate plant stress, including water deficit stress. Despite the growing interest in PGPR, little is known about the post-emergence efficacy of formulations based on native strains under water stress. In this study, we tested the post-emergence efficacy of preparations based on Bacillus velezensis_KT27 and Bacillus subtilis + Pseudomonas simiae + Bacillus velezensis_S103 at doses of half a liter and one liter × 200 L × ha−1 in culture fluid or oil dispersion each at a final microbial cell concentration of 5 × 108 (CFU/mL) for the tested strains. Our hypothesis was that the different biostimulants may positively affect plants’ tolerance to water stress. To this end, analyses of plant height, fresh weight, dry weight, chlorophyll, flavonol and anthocyanin content, and chlorophyll fluorescence were conducted under greenhouse conditions for winter wheat, winter barley, and winter oilseed rape. The preparations promoted the growth and water-stress tolerance of the selected plants, with effectiveness depending on strain, plant, dose, and formulation. B. velezensis_KT27 (0.5 L in oil dispersion) increased the dry weight of winter wheat by 17% (optimal) and 14% (water deficit stress) and of winter barley by 17% and 28%. Bacillus spp. + Pseudomonas spp. (0.5 L in oil dispersion) increased winter oilseed rape dry weight by 13% in both conditions. These findings highlight the potential of Bacillus spp. and Pseudomonas spp. for post-emergence biostimulation under variable soil levels of moisture.
dc.affiliationWydział Rolnictwa, Ogrodnictwa i Biotechnologii
dc.affiliationWydział Nauk o Żywności i Żywieniu
dc.affiliation.instituteKatedra Agronomii
dc.affiliation.instituteKatedra Biotechnologii i Mikrobiologii Żywności
dc.contributor.authorFilipczak, Arkadiusz
dc.contributor.authorSobiech, Łukasz
dc.contributor.authorWita, Agnieszka
dc.contributor.authorMarecik, Roman
dc.contributor.authorBiałas, Wojciech
dc.contributor.authorGrzanka, Monika
dc.contributor.authorIdziak, Robert
dc.contributor.authorSzulc, Piotr
dc.date.access2026-02-09
dc.date.accessioned2026-02-09T08:49:23Z
dc.date.available2026-02-09T08:49:23Z
dc.date.copyright2026-02-06
dc.date.issued2026
dc.description.abstract<jats:p>Preparations containing appropriate microorganisms stimulate plant growth and are increasingly used to alleviate plant stress, including water deficit stress. Despite the growing interest in PGPR, little is known about the post-emergence efficacy of formulations based on native strains under water stress. In this study, we tested the post-emergence efficacy of preparations based on Bacillus velezensis_KT27 and Bacillus subtilis + Pseudomonas simiae + Bacillus velezensis_S103 at doses of half a liter and one liter × 200 L × ha−1 in culture fluid or oil dispersion each at a final microbial cell concentration of 5 × 108 (CFU/mL) for the tested strains. Our hypothesis was that the different biostimulants may positively affect plants’ tolerance to water stress. To this end, analyses of plant height, fresh weight, dry weight, chlorophyll, flavonol and anthocyanin content, and chlorophyll fluorescence were conducted under greenhouse conditions for winter wheat, winter barley, and winter oilseed rape. The preparations promoted the growth and water-stress tolerance of the selected plants, with effectiveness depending on strain, plant, dose, and formulation. B. velezensis_KT27 (0.5 L in oil dispersion) increased the dry weight of winter wheat by 17% (optimal) and 14% (water deficit stress) and of winter barley by 17% and 28%. Bacillus spp. + Pseudomonas spp. (0.5 L in oil dispersion) increased winter oilseed rape dry weight by 13% in both conditions. These findings highlight the potential of Bacillus spp. and Pseudomonas spp. for post-emergence biostimulation under variable soil levels of moisture.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if3,4
dc.description.number3
dc.description.points100
dc.description.versionfinal_published
dc.description.volume16
dc.identifier.doi10.3390/agronomy16030400
dc.identifier.issn2073-4395
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/7253
dc.identifier.weblinkhttps://www.mdpi.com/2073-4395/16/3/400
dc.languageen
dc.relation.ispartofAgronomy
dc.relation.pagesart. 400
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.enBacillus spp.
dc.subject.enPseudomonas spp.
dc.subject.enpost-emergence application
dc.subject.enwater deficit stress
dc.subject.enculture fluid
dc.subject.enoil dispersion
dc.subject.enplant pigments
dc.subject.enplant chlorophyll fluorescence
dc.titleEffect of Biostimulants Containing Rhizobacteria on the Growth of Wheat, Barley, and Oilseed Rape Under Various Soil Moisture Conditions
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue3
oaire.citation.volume16