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Patogenost P. terrestris na klijancima kukuruza

dc.creatorLević, Jelena
dc.creatorPetrović, Tijana
dc.creatorStanković, Slavica
dc.creatorIvanović, Dragica
dc.date.accessioned2019-05-16T12:15:08Z
dc.date.available2019-05-16T12:15:08Z
dc.date.issued2012
dc.identifier.issn1820-3949
dc.identifier.urihttp://rik.mrizp.rs/handle/123456789/453
dc.description.abstractPathogenicity of P. terrestris was determined by the Knop's medium slants method in test tubes. Isolates originated from the roots of maize (Zea mays L.), barley (Hordeum vulgare L.), Johnson grass (Sorghum halepense Pers.), sorghum (Sorghum bicolour (L.) Moench.), garlic (Allium sativum L.), onion (Allium cepa L.), barnyard millet (Echinochloa crus-galli (L.) P.Beauv.) and green foxtail (Setaria viridis (L.) P.B.). A fragment of a fungal colony, cultivated on PDA, was placed on the bottom of Knop's medium slant in each test tube and then sterilised a maize seed was placed 2 cm away from the inoculum. After 21-day inoculation of seeds, the intensity of the development of symptoms on maize seedlings was estimated. The reddish or dark pigment on the root, mesocotyl and/or coleoptyl of seedlings was an indicator for the infection by the fungus under in vitro conditions. Based on the pathogenicity test, the isolates were classified into the following three groups: slightly (3 isolates), moderately (6 isolates) and very pathogenic (6 isolates) to maize seedlings. The obtained results show that P. terrestris, originating from different hosts, can be a maize pathogen. These results can explain the high frequency and high incidence of this fungus on maize roots in Serbia.en
dc.description.abstractZa utvrđivanje patogenosti izolata P. terrestris korišćena je metoda sa zakošenom Knopovom podlogom u test-epruveti. Poreklo izolata je sa korena kukuruza (Zea mays L.), ječma (Hordeum vulgare L.), divljeg sirka (Sorghum halepense Pers.), gajenog sirka (Sorghum bicolour (L.) Moench.), belog luka (Allium sativum L.), crnog luka (Allium cepa L.), korovskog prosa (Echinochloa crus-galli L.) i zelenog muhara (Setaria viridis (L.) P.B.). Fragment kolonije gljive, gajene na PDA, je stavljen na donji deo zakošene Knopove podloge u epruveti i 2 cm iznad toga sterilisano seme kukuruza. Nakon 21 dana od inokulacije semena ocenjen je intenzitet razvoja simptoma na klijanacima kukuruza. Crvenkast ili mrki pigment na korenu, mezokotilu i/ili koleoptilu klijanaca je bio indikator za infekciju gljivom u in vitro uslovima. Na osnovu testa patogenosti izolati gljive su grupisani u sledeće tri kategorije: slabo (3 izolata), srednje (6 izolata) i jako patogeni (6 izolata) za klijance kukuruza. Dobijeni rezultati ukazuju da je P. terrestris, poreklom sa različitih domaćina, patogen za kukuruz. Ovi rezultati mogu objasniti učestalost i intenzitet pojave ove gljive na korenu kukuruza u Srbiji.sr
dc.publisherInstitut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/31068/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-sa/4.0/
dc.sourcePesticidi i fitomedicina
dc.subjectP. terrestrisen
dc.subjectmaize seedlingsen
dc.subjectpathogenicityen
dc.subjectP. terrestrissr
dc.subjectklijanci kukuruzasr
dc.subjectpatogenostsr
dc.titlePathogenicity of T. terrestris on maize seedlingsen
dc.titlePatogenost P. terrestris na klijancima kukuruzasr
dc.typearticle
dc.rights.licenseBY-SA
dc.citation.volume27
dc.citation.issue3
dc.citation.spage213
dc.citation.epage217
dc.citation.other27(3): 213-217
dc.citation.rankM51
dc.identifier.doi10.2298/PIF1203213L
dc.identifier.fulltexthttp://rik.mrizp.rs//bitstream/id/2386/451.pdf
dc.type.versionpublishedVersion


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