Antibacterial activity of Piper sarmentosum against rice pathogens - Syed Ab Rahman, Sharifah Farhana;Sijam, Kamaruzaman;Omar, Dzolkhifli
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Piper sarmentosum is a cultivated plant that is also found wild in South East Asia. It is well known due to its medicinal properties and a variety of active chemical constituents. The potential of the plant extract against bacterial leaf blight and sheath brown rot of rice caused by Pseudomonas fuscovaginae and Xanthomonas oryzae, respectively, were evaluated in this study. The antibacterial activities of the methanolic leaf extract of P. sarmentosum were screened for potential use as a biological control agent against rice pathogenic bacteria.The P. sarmentosum leaf extract possessed killing…mehr

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Produktbeschreibung
Piper sarmentosum is a cultivated plant that is also found wild in South East Asia. It is well known due to its medicinal properties and a variety of active chemical constituents. The potential of the plant extract against bacterial leaf blight and sheath brown rot of rice caused by Pseudomonas fuscovaginae and Xanthomonas oryzae, respectively, were evaluated in this study. The antibacterial activities of the methanolic leaf extract of P. sarmentosum were screened for potential use as a biological control agent against rice pathogenic bacteria.The P. sarmentosum leaf extract possessed killing effects against both bacterial strains tested. Between the two bacteria isolates, X. oryzae appeared to be most susceptible to the extract. The phenolic compounds present in the leaf and fruit extracts of P. sarmentosum were further identified using HPLC analysis.The results obtained from this study suggest that the leaf and fruit extracts of P. sarmentosum have potential to be developed as a novel bactericide.
Autorenporträt
Author has completed her undergraduate studies at the Universiti Putra Malaysia with a BSc and MSc in Agricultural Science in 2012 and 2015, respectively. She is now pursuing her PhD at the University of Queensland, Australia. Her current research interest is on the plant-microbes interaction to develop new techniques for plant-pathogens detection.