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2014, vol. 65, br. 2, str. 56-63
Antifungalna aktivnost Pseudomonas chlororaphis Q16 prema Sclerotinia sclerotiorum poreklom sa različitih lekovitih biljaka
aVojnomedicinska akademija, Institut za epidemiologiju, Beograd
bInstitut za zaštitu bilja i životnu sredinu, Beograd
cInstitut za zemljište, Beograd

e-adresajosicdragana@yahoo.com
Projekat:
Novi autohtoni izolati bakterija Lysobacter i Pseudomonas kao važan izvor metabolita korisnih za biotehnologiju, stimulaciju rasta biljaka i kontrolu bolesti bilja: od izolata do preparata (MPNTR - 46007)

Sažetak
Fitopatogena gljiva Sclerotinia sclerotiorum je veoma destruktivni patogen stabla brojnih vrsta lekovitih biljaka. Kako u proizvodnji lekovitih biljaka nije dozvoljena upotreba pesticida, prisustvo ovog patogena prouzrokuje ozbiljne štete. Primena PGP (Plant Growth Promoting) bakterija, kao antagonista S. sclerotiorum, omogućuje zaštitu lekovitih biljaka. U ovim istraživanjima je ispitana aktivnost soja Pseudomonas chlororaphis Q16, pripadinka vrste koja spada među najefikasnije antagoniste S. sclerotiorum. Antifungalna aktivnost različitih frakcija kulture P. chlororaphis Q16 ispitivana je na 6 reprezentativnih izolata S. sclerotiorum poreklom sa različitih lekovitih biljaka: koprive, kima, belog sleza, odoljena i 2 vrste Echinacea. Najefikasnija je bila primena termostabilnih antifungalnih metabolita, frakcije koja je inhibirala porast micelije od 52,75% (izolata sa belog sleza) do 83,36% (izolata sa E. purpurea). Najujednačenija inhibicija porasta micelije ispoljena je primenom kultura starih 24h: od 60,28% (izolata sa kima) do 76,47% (izolata sa koprive).
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O članku

jezik rada: srpski
vrsta rada: naučni članak
DOI: 10.5937/zasbilj1402056L
objavljen u SCIndeksu: 21.05.2015.

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