EXPLORATION OF RHIZOPHORACEAE AGAINST Ralstonia solanacearum AS NATURAL PESTICIDES
DOI:
https://doi.org/10.35334/iciksa.v0i0.203Abstract
The Rhizophoraceae family dominates the mangrove forest. The mangroves employed in this study were found in Tarakan city, North Kalimantan, in the mangrove and proboscis monkey conservation area. The aim of this research is to identify mangrove species that have the potential to be natural pesticides against wilt disease in plants. The following mangroves were used in this study Bruguiera parviflora (Roxb.) Wight & Arn. ex-Griff., Bruguiera cylindrica (L.) Blume, Ceriops tagal (Perr.) C.B.Rob., Rhizophora apiculata Blume, Rhizophora mucronata Poir. The three parts of the samples were extracted leaf, wood and bark with n-hexane, ethyl acetate and Methanol. The agar-well method was employed in this investigation against Ralstonia solanacearum. The ethyl acetate extract of the stems of B. parviflora had the highest activity of 57.7% at a concentration of 2000 ppm, while the ethyl acetate extract of the stems of B. cylindrica had the highest activity of 45% at a concentration of 2000 ppm among the five mangrove plants. More research is needed to obtain pure chemicals that has inhibition to the bacteria.References
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