UJI EFEKTIVITAS BAKTERI PELARUT FOSFAT PENGHASIL ASAM SIANIDA ASAL TANAH GAMBUT RIAU SEBAGAI PENGENDALI GULMA BABADOTAN PADA TANAMAN JAGUNG (Zea mays L.)

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dc.contributor.authorNestika, Revillia
dc.contributor.authorZul, Delita
dc.contributor.authorMayta Novaliza, Isda
dc.date.accessioned2016-01-30T03:06:21Z
dc.date.available2016-01-30T03:06:21Z
dc.date.issued2016-01-30
dc.description.abstractThis research aims to analyze the effectiveness of Phosphate Solubilizing Bacteria (PSB) which are able to produce cyanide acid (HCN) in controlling of predominant weed in the corn plantation. This research was conducted from September to December 2014 in the Laboratory of Microbiology, Faculty of Mathematics and Natural Sciences, University of Riau. The effectiveness of PSB in controlling the growth of Ageratum conyzoides was performed by inocullating 26-selected PSB isolates into pre-germinated of those weeds based on the Kremer and Soussi with modification. The seed were sterilizedby soaking it in a solution of 95% ethanol before being inoculated with 26- selected PSB isolates. The sterilized seed were pre-germinated on the media of 1% agarose. Seeds which has been germinated were dropped with bacterialsuspension of PSB as much as 1 ml. The parameters observed were root length and shoot length of weed seedlings. The results suggested that all of PSB isolates were generally able to selectively inhibiting the growth of roots and shoots on weeds. Isolates BB-BK4 and BB-HP29 werethe most effective in controlling weed because the percentage of its reduction is 60-80%.en_US
dc.description.sponsorshipFakultas Matematika dan Ilmu Pengetahuan Alam Universitas Riauen_US
dc.identifier.otherwahyu sari yeni
dc.identifier.urihttp://repository.unri.ac.id/xmlui/handle/123456789/7834
dc.language.isoenen_US
dc.subjectAgeratum conyzoidesen_US
dc.subjectCornen_US
dc.subjectCyanide aciden_US
dc.subjectPhosphatSolubilizing Bacteria (PSB)en_US
dc.titleUJI EFEKTIVITAS BAKTERI PELARUT FOSFAT PENGHASIL ASAM SIANIDA ASAL TANAH GAMBUT RIAU SEBAGAI PENGENDALI GULMA BABADOTAN PADA TANAMAN JAGUNG (Zea mays L.)en_US
dc.typestudent Paper Post Degreeen_US

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