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Ratarstvo i povrtarstvo
2015, vol. 52, br. 1, str. 1-6
jezik rada: engleski
vrsta rada: izvorni naučni članak
doi:10.5937/ratpov51-7177


Brojnost mikroorganizama u rizosferi lekovitih i aromatičnih biljnih vrsta u konvencionalnom i organskom sistemu proizvodnje
Naučni institut za ratarstvo i povrtarstvo, Novi Sad

e-adresa: dusan.adamovic@nsseme.com

Projekat

Unapređenje proizvodnje kukuruza i sirka u uslovima stresa (MPNTR - 31073)
Farmakološki aktivne supstance i proizvodi na bazi lekovitog/aromatičnog bilja za primenu u farmaciji (MPNTR - 31013)

Sažetak

Cilj istraživanja bio je da se uporedno ispita brojnost mikroorganizama u rizosferi četiri lekovite i aromatične biljne vrste (bosiljak, pitoma nana, mirođija i neven) koje su gajene na konvencionalan i organski način na zemljištu černozem na eksperimentalnom polju u Bačkom Petrovcu (Institut za ratarstvo i povrtarstvo, Novi Sad, Srbija). Uzorci za mikrobiološku analizu uzeti su u dva termina (1. jun i 18. jul 2012. godine). Brojnost mikroorganizama bila je veća u organskom sistemu u odnosu na konvencionalni, ali je značajna razlika zabeležena samo za rizosferu mirođije. Razlike u broju mikroorganizama koji pripadaju različitim grupama zavisile su kako od biljne vrste tako i od termina uzorkovanja. Tako je na primer kod pitome nane zabeležen visoko značajno veći broj azotobaktera i gljiva, dok je broj amonifikatora bio značajno manji. Dobijeni rezultati ukazuju da organski način gajenja više utiče na brojnost mikroorganizama u rizosferi ispitivanih vrsta, posebno u drugom terminu uzorkovanja.

Ključne reči

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