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Antifungalna aktivnost autohtonog izolata Bacillus sp. Q3 na mikopopulaciju belog sleza

dc.creatorJošić, Dragana
dc.creatorPivić, Radmila
dc.creatorPavlović, Snežana
dc.creatorStojanović, Saša
dc.creatorAleksić, Goran
dc.creatorStarović, Mira
dc.date.accessioned2019-04-04T15:55:38Z
dc.date.available2019-04-04T15:55:38Z
dc.date.issued2011
dc.identifier.issn0352-4906
dc.identifier.urihttps://plantarum.izbis.bg.ac.rs/handle/123456789/184
dc.description.abstractMarshmallow is a host of a number of saprophytic and parasitic fungi in Serbia. The seeds of marshmallow are contaminated with fungi from different genera, especially Alternaria and Fusarium, which significantly reduced seed germination and caused seedling decay. In this study we investigate antagnonism of indigenous Bacillus sp. isolate Q3 against marshmallow mycopopulation. Bacillus sp. Q3 was isolated from maize rhizosphere, characterized by polyphasic approch and tested for plant growth promoting treats. Bacillus sp. Q3 produced antifungal metabolites with growth inhibition activity against numerous fungi in dual culture: 61.8% of Alternaria alternata, 74.8% of Myrothecium verrucaria and 33.6% of Sclerotinia sclerotiorum. That effect could be caused by different antifungal metabolites including siderophores, hydrolytic enzymes, organic acids and indole acetic acid (IAA). Suppression of natural marshmallow seed infection by Q3 isolate was observed. The seeds were immersed in different concentrations of bacterial suspension during 2h and their infections by phytopathogenic fungi were estimated. The results showed significant reduction of seed infection by Alternaria spp. The presented results indicate possible application of this isolate as promising biological agent for control of marshmallow seed pathogenic fungi.en
dc.description.abstractBeli slez gajen u Srbiji je domaćin mnogim saprofitnim i parazitskim gljivama. Seme je zaraženo gljivama iz različitih rodova, naročito Alternaria i Fusarium, ko je značajno redukuju klijavost semena i izazivaju sušenje. U ovom radu ispitivan je antagonizam autohtone bakterije Bacillus sp. izolata Q3 i mikopopulacije belog sleza. Bacillus sp. Q3 je izolovan iz rizosfere kukuruza, karakterizacija je izvršena polifaznom metodologijom i testirane su osobine odgovorne za stimulaciju rasta biljaka. Bacillus sp. Q3 produkuje antifungalne metabolite sa izraženom aktivnošću protiv fitopatogenih gljiva sa različitim procentom inhibicije rasta u dvojnoj kulturi: 61.75% kod Alternaria alternata, 74.80% kod Myrothecium verrucaria i 33.63% kod Sclerotinia sclerotiorum. Ovaj efekat je posledica produkcije različitih antifungalnih metabolita, uključujući siderofore, hidrolitičke enzime, organske kiseline i indolsirćetnu kiselinu (IAA). Ustanovljeno je suzbijanje prirodne infekcije semena belog sleza primenom izolata Bacillus Q3. Semena su potapana u različite koncentracije bakterijske suspenzije tokom 2 h i praćen je stepen infekcije fitopatogenim gljivama. Rezultati su pokazali značajan stepen redukcije infekcije semena belog sleza gljivom Alternaria spp. Ovi rezultati ukazuju na moguću primenu ovog izolata kao potentnog biološkog agensa za kontrolu infekcije semena belog sleza fitopatogenim gljivama.sr
dc.publisherMatica srpska, Novi Sad
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceZbornik Matice srpske za prirodne nauke
dc.subjectmarshmallowen
dc.subjectAlternariaen
dc.subjectBacillus sp.en
dc.subjectantagonismen
dc.subjectmycopopulationen
dc.titleAntifungal activity of indigenous bacillus sp. isolate Q3 against marshmallow mycobiotaen
dc.titleAntifungalna aktivnost autohtonog izolata Bacillus sp. Q3 na mikopopulaciju belog slezasr
dc.typearticle
dc.rights.licenseBY-NC-ND
dc.citation.epage120
dc.citation.issue120
dc.citation.other(120): 111-120
dc.citation.rankM51
dc.citation.spage111
dc.type.versionpublishedVersion
dc.identifier.doi10.2298/ZMSPN1120111J
dc.identifier.fulltexthttps://plantarum.izbis.bg.ac.rs//bitstream/id/1347/182.pdf


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