Antibacterial activity of the seeds, roots and shoots of Lotus populations

In this study the antibacterial activity of the ethanol, ethyl acetate and chloroform extracts from the seeds, roots and shoots of Lotus aegaeus, Lotus angustissimus, Lotus corniculatus, Lotus gebelia, Lotus palustris populations grown naturally in Turkey were investigated by using the disc diffusion and agar dilution method, against main plant pathogenic bacteria (Clavibacter michiganensis, Agrobacterium tumefaciens, Erwinia caratovora, Pseudomonas phaseolicola). According to results, the shoot ethyl acetate extract of L. aegaeus and shoot extracts of L. corniculatus against C. michiganensis and shoot extracts of all solvents of L. angustissimus against P. phaseolicola showed high antibacterial activity. This is the first report of antibacterial activity of the Lotus species against plant pathogens. In the study these stated effective extracts showed higher antibacterial effects by comparison with used chemical preservatives against sensitive bacteria. This study offers that active compounds present in Lotus species could play a big role in naturally plant preservation against plant diseases.