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Evaluation of Antibiotics, Antibacterial Chemicals and Bio-Agents against Citrus Canker Caused by Xanthomonas axonopodis pv. Citri (Hasse)


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1 Department of Plant Pathology, University of Agricultural Sciences, Dharwad (Karnataka), India
     

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Six antibiotics, two antibacterial chemicals and five bio-agents were evaluated by in vitro against Xanthomonas axonopodis pv. citri (Hasse). Among the different antibiotics and antibacterial chemicals, Streptocycline (10.84 mm) and copper oxychloride (7.50 mm) showed maximum inhibition zone followed by K cycline (9.68 mm). Among the bio-agents, Bacillus subtilis was effective with the inhibition zone of (16.16 mm) followed by Pseudomonas fluorescens (14.63 mm). The fungal bio control agents viz., Trichoderma viride and Trichoderma harzianum were found totally in effective against the pathogen.

Keywords

Canker, Antibiotics, Antibacterial Chemicals, Bio-Agents.
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  • Evaluation of Antibiotics, Antibacterial Chemicals and Bio-Agents against Citrus Canker Caused by Xanthomonas axonopodis pv. Citri (Hasse)

Abstract Views: 194  |  PDF Views: 1

Authors

Nagaraj Badiger
Department of Plant Pathology, University of Agricultural Sciences, Dharwad (Karnataka), India
S. T. Yenjerappa
Department of Plant Pathology, University of Agricultural Sciences, Dharwad (Karnataka), India
M. N. Naik
Department of Plant Pathology, University of Agricultural Sciences, Dharwad (Karnataka), India
M. B. Patil
Department of Plant Pathology, University of Agricultural Sciences, Dharwad (Karnataka), India
M. G. Patil
Department of Plant Pathology, University of Agricultural Sciences, Dharwad (Karnataka), India

Abstract


Six antibiotics, two antibacterial chemicals and five bio-agents were evaluated by in vitro against Xanthomonas axonopodis pv. citri (Hasse). Among the different antibiotics and antibacterial chemicals, Streptocycline (10.84 mm) and copper oxychloride (7.50 mm) showed maximum inhibition zone followed by K cycline (9.68 mm). Among the bio-agents, Bacillus subtilis was effective with the inhibition zone of (16.16 mm) followed by Pseudomonas fluorescens (14.63 mm). The fungal bio control agents viz., Trichoderma viride and Trichoderma harzianum were found totally in effective against the pathogen.

Keywords


Canker, Antibiotics, Antibacterial Chemicals, Bio-Agents.

References