The present study aimed at evaluating the antibacterial activity of methanolic extract of Murraya paniculata (leaves and stem) against Xanthomonas citri using agar well diffusion method on different concentration. Murraya paniculata commonly known as orange jasmine or honey bush, in Hindi this plant is popular as “Kamini”. There are numerous uses of Murraya paniculata in traditional medicine for the treatment of different diseases of plants and animals. In India most of the plant pathogenic diseases were caused by bacteria. In the Gwalior-Chambal division of Madhya Pradesh so many plant diseases are caused by different species of Xanthomonas. In this research work our main aim is to develop the natural bactericides. In this study some effective results have observed by the use of methanolic extract of Murraya paniculata. The results of inhibitory activity of the methanolic plant extract compare with the standard antibiotic Kanamycin. The zone of inhibition of extract of Murraya paniculata at the concentration of 200 µg/ml was 25 mm (leaves) and the zone of inhibition of the standard antibiotic Kanamycin was 32 mm. Hence, the result of Murraya paniculata (leaves) is so closer to the standard antibiotic. Therefore, there is a scope to use Murraya paniculata (leaves) extract against Xanthomonas citri as bactericides.

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