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In vitro efficacy of different chemicals and biological agents against Xanthomonas campestris pv. viticola causing bacterial leaf spot of grapes

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Title In vitro efficacy of different chemicals and biological agents against Xanthomonas campestris pv. viticola causing bacterial leaf spot of grapes
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Creator Kamble Amit K, Sawant Sanjay D, Saha Sujoy, and Sawant Indu S
 
Subject bacterial leaf spot, bio-efficacy, biological agents, different chemicals, in vitro, X. campestris pv. viticola
 
Description Not Available
Bacterial leaf spot caused by Xanthomonas campestris pv. viticola (Nayudu) Dye has emerged as an important disease in grape growing regions of Maharashtra. In this study the bactericidal effect of different chemicals and biological agents were assessed in in-vitro conditions. Eleven different commercially formulated chemicals (streptocycline, bronopol, mancozeb, copper sulphate, copper oxychloride, copper hydroxide, carbendazim, difenoconazole, validamycin, kasugamycin and potassium phosphite) were tested at 50, 100, 500, 1000, 2000 and 3000 ppm concentrations. Three biological agents viz., Bacillus subtilis, Trichoderma as perolloides and Pseudomonas fluorescens were also evaluated against X. campestris pv. viticola. Among different chemicals, streptocycline, mancozeb and bronopol showed significant inhibition of the pathogen while kasugamycin, copper oxychloride and copper hydroxide exhibited a low efficacy with respect to control of the bacteria. Copper sulphate, validamycin, difenoconazole, carbendazim and potassium phosphate showed no inhibition at all tested concentrations. In biological agents B. subtilis and T. asperolloides have potential against X. campestris pv. viticola, pathogen of bacterial leaf spot disease of grapes.
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Date 2018-12-04T09:25:31Z
2018-12-04T09:25:31Z
2017-06-30
 
Type Research Paper
 
Identifier Kamble Amit K, Sawant Sawant D, Saha Sujoy, and Sawant Indu S. 2017. In vitro efficacy of different chemicals and biological agents against Xanthomonas campestris pv. viticola causing bacterial leaf spot of grapes. International Journal of Agriculture Sciences. ISSN: 0975-3710&E-ISSN: 0975- 9107, 9(30): 4427-4430
0975-3710&E-ISSN: 0975-9107
http://krishi.icar.gov.in/jspui/handle/123456789/15568
 
Language English
 
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Publisher Not Available