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Volume 8
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International Journal of Plant Biology is published by MDPI from Volume 13 Issue 1 (2022). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with PAGEPress.
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Article

An Attempt of Biocontrol the Tomato-Wilt Disease Caused by Verticillium dahliae Using Burkholderia gladioli pv. agaricicola and Its Bioactive Secondary Metabolites

by
Hazem S. Elshafie
1,
Shimaa Sakr
1,
Sabino A. Bufo
2 and
Ippolito Camele
1,*
1
School of Agricultural, Forestry, Food and Environmental Sciences (SAFE), University of Basilicata, Viale dell'Ateneo Lucano, 10, 85100 Potenza, Italy
2
Department of Science, University of Basilicata, 85100 Potenza, Italy
*
Author to whom correspondence should be addressed.
Int. J. Plant Biol. 2017, 8(1), 7263; https://doi.org/10.4081/pb.2017.7263
Submission received: 13 June 2017 / Revised: 16 June 2017 / Accepted: 16 June 2017 / Published: 28 November 2017

Abstract

There is a great interest in discovering new microbial natural biocides such as microbial secondary metabolites to reduce the environmental pollution due to the excessive use of synthetic pesticides. Verticillium wilt, caused by the soil-borne Verticillium dahliae, is a widespread disease in tomato growing in many parts of the world. Burkholderia gladioli pv. agaricicola produces some antimicrobial substances and extracellular hydrolytic enzymes which exhibited promising antimicrobial activity towards several phytopathogens. The aims of the current research are to assess in vitro fungicidal effect of 4 strains of B. gladioli pv. agaricicola (ICMP11096, 11097, 12220 and 12322) against V. dahliae using culture or cell-free culture filtrate. In situ assay was performed to evaluate the biocontrol effect of the most efficient bacterial strain on wilt disease caused by V. dahliae in tomato plants. Results demonstrated that the studied bacterial strain ICMP12322 exerted the highest in vitro antifungal activity against V. dahliae which correlated with its ability to produce extracellular hydrolytic enzymes. Furthermore, in situ results showed that the selected bacterial strain significantly minimized the disease incidence.
Keywords: fungicidal activity; biological control; soil-borne diseases; extracellular hydrolytic enzymes fungicidal activity; biological control; soil-borne diseases; extracellular hydrolytic enzymes

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MDPI and ACS Style

Elshafie, H.S.; Sakr, S.; Bufo, S.A.; Camele, I. An Attempt of Biocontrol the Tomato-Wilt Disease Caused by Verticillium dahliae Using Burkholderia gladioli pv. agaricicola and Its Bioactive Secondary Metabolites. Int. J. Plant Biol. 2017, 8, 7263. https://doi.org/10.4081/pb.2017.7263

AMA Style

Elshafie HS, Sakr S, Bufo SA, Camele I. An Attempt of Biocontrol the Tomato-Wilt Disease Caused by Verticillium dahliae Using Burkholderia gladioli pv. agaricicola and Its Bioactive Secondary Metabolites. International Journal of Plant Biology. 2017; 8(1):7263. https://doi.org/10.4081/pb.2017.7263

Chicago/Turabian Style

Elshafie, Hazem S., Shimaa Sakr, Sabino A. Bufo, and Ippolito Camele. 2017. "An Attempt of Biocontrol the Tomato-Wilt Disease Caused by Verticillium dahliae Using Burkholderia gladioli pv. agaricicola and Its Bioactive Secondary Metabolites" International Journal of Plant Biology 8, no. 1: 7263. https://doi.org/10.4081/pb.2017.7263

APA Style

Elshafie, H. S., Sakr, S., Bufo, S. A., & Camele, I. (2017). An Attempt of Biocontrol the Tomato-Wilt Disease Caused by Verticillium dahliae Using Burkholderia gladioli pv. agaricicola and Its Bioactive Secondary Metabolites. International Journal of Plant Biology, 8(1), 7263. https://doi.org/10.4081/pb.2017.7263

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