Anti-bacterial activity of cow urine extract of neem against Xanthomonas Okyzae-the causative agent of bacterial leaf blight disease of paddy

Subbarayan Shanthi, Nallusamy Sivakumar, K. Rajapandian, Annamalai Panneerselvam, Natarajan Radha

Research output: Contribution to journalArticle

Abstract

Bactericidal effects of different extracts of cow urine and neem (Azadirachta indica A. Juss) was studied against Xanthomonas oryzae pv oryzae, the causative agent of bacterial leaf blight disease of paddy. Fresh, incubated, condensed and chloroform extracts of cow urine were tested against X. oryzae pv oryzae. Similarly aqueous, hexane, chloroform, ethyl acetate, methanol, alcohol and cow urine extracts of A. indica were tested for their anüxanthomonas activity. Cow urine extract of A. indica was more effective than the other extracts. Maximum antibacterial activity of cow urine extract of A. indica against X. oryzae pv oryzae was observed at 1600 μg concentration. Phytochemical analysis of incubated cow urine extract of A. indica showed the presence of flavonoids, quinines, alkaloids, coumarin, tannin, saponin and phenol. The GC-MS and FT-ER studies revealed the presence of oxiranes, dibutyl thalate, phenol, benzene dicarboxylic acid which could be the possible essential antimicrobial principles against X. oryzae.

Original languageEnglish
Pages (from-to)167-175
Number of pages9
JournalAsian Journal of Microbiology, Biotechnology and Environmental Sciences
Volume17
Issue number1
Publication statusPublished - 2015

Fingerprint

Xanthomonas
neem
Azadirachta
urine
microbial activity
Urine
chloroform
Chloroform
Phenol
phenol
quinine
alkaloid
tannin
Dicarboxylic Acids
Quinine
Tannins
Epoxy Compounds
Saponins
Phytochemicals
Hexanes

Keywords

  • Azadirachta indica
  • Bacterial leaf blight disease
  • Cow urine extract
  • Xanthomonas oryzae pv oryzae

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology
  • Microbiology
  • Environmental Science(all)

Cite this

Anti-bacterial activity of cow urine extract of neem against Xanthomonas Okyzae-the causative agent of bacterial leaf blight disease of paddy. / Shanthi, Subbarayan; Sivakumar, Nallusamy; Rajapandian, K.; Panneerselvam, Annamalai; Radha, Natarajan.

In: Asian Journal of Microbiology, Biotechnology and Environmental Sciences, Vol. 17, No. 1, 2015, p. 167-175.

Research output: Contribution to journalArticle

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