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Efficacy of biocontrol agents and bactericides in control of pepper bacterial spot

Authorized Users Only
2016
Authors
Šević, Milan
Gašić, Katarina
Đorđević, Mladen
Ignjatov, Maja
Mijatović, Mirjana
Zečević, Bogoljub
Obradović, Aleksa
Conference object (Published version)
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Abstract
Bacterial spot caused by Xanthomonas euvesicatoria is considered one of the most important diseases of pepper in Serbia. In order to control this disease, copper based compounds (copper hydroxide, copper oxychloride, copper hydroxide + mancozeb, copper oxychloride + mancozeb), antibiotics (streptomycin sulfate and kasugamycin), resistance inducer (acibenzolar-S-methyl), antagonistic bacteria Bacillus subtilis (strains QST 713 and AAac), bacteriophage (strain K Phi 1) and one commercial microbial fertilizer, were tested for efficacy and compared to untreated control. The experiments were carried out in a greenhouse and climatic chamber conditions. Plants were inoculated with X euvesicatoria strain KFB 13 (10(8) CFU mL(-1)) using hand-held sprayer. Results of three experiments showed that all treatments except microbiological fertilizer significantly reduced intensity of bacterial spot symptoms compared to the untreated control. The most efficient treatment was acibenzolar-S-methyl reduc...ing disease severity 93-97%. There was no statistically significant difference in efficacy of this treatment and copper hydroxide, copper oxychloride, copper hydroxide + mancozeb, copper oxychloride + mancozeb, streptomycin sulfate, kasugamycin and antagonistic strain QST 713 treatments. Application of antagonistic strain AAac and bacteriophage K Phi 1 significantly reduced disease intensity but less than the first group of treatments. Bacteriophage K Phi 1 (78-85% rH) was more effective in the climatic chamber compared to the efficacy (38% rH) in the greenhouse experiments.

Keywords:
Xanthomonas euvesicatoria / copper compounds / antibiotics / resistance inducer / antagonist / bacteriophage
Source:
Acta Horticulturae : VI Balkan Symposium on Vegetables and Potatoes, 2016, 1142, 147-150
Publisher:
  • International Society for Horticultural Science
Funding / projects:
  • Development of integrated management of harmful organisms in plant production in order to overcome resistance and to improve food quality and safety (RS-46008)

DOI: 10.17660/ActaHortic.2016.1142.23

ISBN: 978-94-62611-30-6

ISSN: 0567-7572

WoS: 000392627800023

Scopus: 2-s2.0-85007343653
[ Google Scholar ]
2
1
URI
http://RIVeC.institut-palanka.rs/handle/123456789/185
Collections
  • Radovi sa afilijacijom Instituta za povrtarstvo / Papers with the Institute for Vegetable Crops affiliation
Institution/Community
Institut za povrtarstvo
TY  - CONF
AU  - Šević, Milan
AU  - Gašić, Katarina
AU  - Đorđević, Mladen
AU  - Ignjatov, Maja
AU  - Mijatović, Mirjana
AU  - Zečević, Bogoljub
AU  - Obradović, Aleksa
PY  - 2016
UR  - http://RIVeC.institut-palanka.rs/handle/123456789/185
AB  - Bacterial spot caused by Xanthomonas euvesicatoria is considered one of the most important diseases of pepper in Serbia. In order to control this disease, copper based compounds (copper hydroxide, copper oxychloride, copper hydroxide + mancozeb, copper oxychloride + mancozeb), antibiotics (streptomycin sulfate and kasugamycin), resistance inducer (acibenzolar-S-methyl), antagonistic bacteria Bacillus subtilis (strains QST 713 and AAac), bacteriophage (strain K Phi 1) and one commercial microbial fertilizer, were tested for efficacy and compared to untreated control. The experiments were carried out in a greenhouse and climatic chamber conditions. Plants were inoculated with X euvesicatoria strain KFB 13 (10(8) CFU mL(-1)) using hand-held sprayer. Results of three experiments showed that all treatments except microbiological fertilizer significantly reduced intensity of bacterial spot symptoms compared to the untreated control. The most efficient treatment was acibenzolar-S-methyl reducing disease severity 93-97%. There was no statistically significant difference in efficacy of this treatment and copper hydroxide, copper oxychloride, copper hydroxide + mancozeb, copper oxychloride + mancozeb, streptomycin sulfate, kasugamycin and antagonistic strain QST 713 treatments. Application of antagonistic strain AAac and bacteriophage K Phi 1 significantly reduced disease intensity but less than the first group of treatments. Bacteriophage K Phi 1 (78-85% rH) was more effective in the climatic chamber compared to the efficacy (38% rH) in the greenhouse experiments.
PB  - International Society for Horticultural Science
C3  - Acta Horticulturae : VI Balkan Symposium on Vegetables and Potatoes
T1  - Efficacy of biocontrol agents and bactericides in control of pepper bacterial spot
EP  - 150
SP  - 147
VL  - 1142
DO  - 10.17660/ActaHortic.2016.1142.23
UR  - conv_198
ER  - 
@conference{
author = "Šević, Milan and Gašić, Katarina and Đorđević, Mladen and Ignjatov, Maja and Mijatović, Mirjana and Zečević, Bogoljub and Obradović, Aleksa",
year = "2016",
abstract = "Bacterial spot caused by Xanthomonas euvesicatoria is considered one of the most important diseases of pepper in Serbia. In order to control this disease, copper based compounds (copper hydroxide, copper oxychloride, copper hydroxide + mancozeb, copper oxychloride + mancozeb), antibiotics (streptomycin sulfate and kasugamycin), resistance inducer (acibenzolar-S-methyl), antagonistic bacteria Bacillus subtilis (strains QST 713 and AAac), bacteriophage (strain K Phi 1) and one commercial microbial fertilizer, were tested for efficacy and compared to untreated control. The experiments were carried out in a greenhouse and climatic chamber conditions. Plants were inoculated with X euvesicatoria strain KFB 13 (10(8) CFU mL(-1)) using hand-held sprayer. Results of three experiments showed that all treatments except microbiological fertilizer significantly reduced intensity of bacterial spot symptoms compared to the untreated control. The most efficient treatment was acibenzolar-S-methyl reducing disease severity 93-97%. There was no statistically significant difference in efficacy of this treatment and copper hydroxide, copper oxychloride, copper hydroxide + mancozeb, copper oxychloride + mancozeb, streptomycin sulfate, kasugamycin and antagonistic strain QST 713 treatments. Application of antagonistic strain AAac and bacteriophage K Phi 1 significantly reduced disease intensity but less than the first group of treatments. Bacteriophage K Phi 1 (78-85% rH) was more effective in the climatic chamber compared to the efficacy (38% rH) in the greenhouse experiments.",
publisher = "International Society for Horticultural Science",
journal = "Acta Horticulturae : VI Balkan Symposium on Vegetables and Potatoes",
title = "Efficacy of biocontrol agents and bactericides in control of pepper bacterial spot",
pages = "150-147",
volume = "1142",
doi = "10.17660/ActaHortic.2016.1142.23",
url = "conv_198"
}
Šević, M., Gašić, K., Đorđević, M., Ignjatov, M., Mijatović, M., Zečević, B.,& Obradović, A.. (2016). Efficacy of biocontrol agents and bactericides in control of pepper bacterial spot. in Acta Horticulturae : VI Balkan Symposium on Vegetables and Potatoes
International Society for Horticultural Science., 1142, 147-150.
https://doi.org/10.17660/ActaHortic.2016.1142.23
conv_198
Šević M, Gašić K, Đorđević M, Ignjatov M, Mijatović M, Zečević B, Obradović A. Efficacy of biocontrol agents and bactericides in control of pepper bacterial spot. in Acta Horticulturae : VI Balkan Symposium on Vegetables and Potatoes. 2016;1142:147-150.
doi:10.17660/ActaHortic.2016.1142.23
conv_198 .
Šević, Milan, Gašić, Katarina, Đorđević, Mladen, Ignjatov, Maja, Mijatović, Mirjana, Zečević, Bogoljub, Obradović, Aleksa, "Efficacy of biocontrol agents and bactericides in control of pepper bacterial spot" in Acta Horticulturae : VI Balkan Symposium on Vegetables and Potatoes, 1142 (2016):147-150,
https://doi.org/10.17660/ActaHortic.2016.1142.23 .,
conv_198 .

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