SWL-Mathematics and Natural Sciences

Permanent URI for this collection

https://repository.unri.ac.id/handle/123456789/2826

Browse

Browsing SWL-Mathematics and Natural Sciences by Subject "actinomycetes"

Now showing 1 - 3 of 3
  • No Thumbnail Available
    Item
    Antifungal Spectra of Activity of Actinomycetes Strains Against Rhizoctonia solani
    (2017-08-07) Linda, Tetty Marta; Martina, Atria; Sinaga, Juni
    Biological control offers an enviromentally friendly alternative to the use of antifungal for controlling damping off diseases. A collection of about 24 actinomycetes strains from peat soil Siak-Riau was screened for the ability to produce metabolites that inhibit R. solani growth in vitro. Seven isolate showed strong in invitro antagonistic against R. solani in agar disc and well-difussion methods by producing extra cellular antifungal metabolites.
  • No Thumbnail Available
    Item
    Isolasi Dan Aktivitas Antimikroba Aktinomisetes Asal Tanah Rizosfer Cagar Biosfer Giam Siak Kecil-Bukit Batu Riau
    (wahyu sari yeni, 2018-08-23) Roza, Rodesia Mustika; Linda, Tetty Marta; Martina, Atria; Haloho, Lindasari
    The aims of study are to isolate actinomycetes from rhizosphere soil, to determine the ability of actinomycetes to inhibit the growth of bacteria (Streptococcus pyogenes and Escherichia coli) and fungi (Fusarium oxysporum and Ganoderma BTA1). A total of 15 actinomycetes strains were recovered from rhizosphere soil samples using pour plate method with Starch Casein Agar (SCA). The results showed that 7 isolates (TBR1, TBR2, TBR3, MHGI1, MHG3, MHG4, FPR4) were active againts all microbial targets, 1 isolate (MHG2) was active againts S. pyogenes, F. oxysporum, and Ganoderma sp BTA1, 2 isolates (MHG5, FPR3) were active againts S. pyogenes, E. coli and F. oxysporum, and Ganoderma sp BTA1, 1 isolates (FPR1) was active againts S. pyogenes, E. coli and F. oxysporum, 1 isolate (FPR5) was only active againts Ganoderma sp BTA1, 2 isolates (TBR4, FPR2) were only active againts E. coli, and isolates (AKA1) was not active againts all microbial targets.
  • No Thumbnail Available
    Item
    Isolasi Dan Aktivitas Antimikroba Aktinomisetes Asal Tanah Rizosfer Cagar Biosfer Giam Siak Kecil-Bukit Batu Riau
    (2017-10-11) Roza, Rodesia Mustika; Linda, Tetty Marta; Martina, Atria
    The aims of study are to isolate actinomycetes from rhizosphere soil, to determine the ability of actinomycetes to inhibit the growth of bacteria (Streptococcus pyogenes and Escherichia coli) and fungi (Fusarium oxysporum and Ganoderma BTA1). A total of 15 actinomycetes strains were recovered from rhizosphere soil samples using pour plate method with Starch Casein Agar (SCA). The results showed that 7 isolates (TBR1, TBR2, TBR3, MHGI1, MHG3, MHG4, FPR4) were active againts all microbial targets, 1 isolate (MHG2) was active againts S. pyogenes, F. oxysporum, and Ganoderma sp BTA1, 2 isolates (MHG5, FPR3) were active againts S. pyogenes, E. coli and F. oxysporum, and Ganoderma sp BTA1, 1 isolates (FPR1) was active againts S. pyogenes, E. coli and F. oxysporum, 1 isolate (FPR5) was only active againts Ganoderma sp BTA1, 2 isolates (TBR4, FPR2) were only active againts E. coli, and isolates (AKA1) was not active againts all microbial targets.