Antimicrobial activity of plant decoctions against Xanthomonas campestris pv citri on detached citrus leaves

Afzal Akhtar, M.; Rahber-Bhatti, M.H.; Aslam, M.

ISSN: 0041-3216

ISSN: 0041-3216 (Online), 0041-3216 (Print)

Volume 74 Number 3

Research Notes

Antimicrobial activity of plant decoctions against Xanthomonas campestris pv. citri on detached citrus leaves

M. Afzal Akhtar, M.H. Rahber-Bhatti and M. Aslam

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Decoctions of Acacia nilotica, A. modesta, Dalbergia sissoo, Azadirachta indica, and Cinnamomum zeylanicum were tested for growth inhibition against Xanthomonas campestris pv. citri strains XC-93, XC-107, XC-109, XC-113, and XC-121. Acacia nilotica showed a high level of inhibition with all strains. Most of the plant extracts tested, significantly (P < 0.05) reduced the number of lesions on detached leaves of citrus compared to a control.

Keywords: Antimicrobial activity; Plant decoctions; Xanthomonas campestri s pv. citri; Citrus leaves