Antagonistic activity of selected bacteria of the soil environment of carrot

Elżbieta Patkowska, Marzena Błażewicz-Woźniak and Dariusz Wach
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Elżbieta Patkowska: Department of Plant Pathology and Mycology, University of Life Sciences in Lublin, Lublin, Poland
Marzena Błażewicz-Woźniak: Department of Soil Cultivation and Fertilization of Horticultural Plants, University of Life Sciences in Lublin, Lublin, Poland
Dariusz Wach: Department of Soil Cultivation and Fertilization of Horticultural Plants, University of Life Sciences in Lublin, Lublin, Poland

Plant, Soil and Environment, 2017, vol. 63, issue 6, 277-281

Abstract: The purpose of the present studies was to determine the antagonistic effect of bacteria Bacillus spp. and Pseudomonas spp. towards selected fungi from the soil environment of carrot. Oats (Avena sativa L.), tansy phacelia (Phacelia tanacetifolia Bentham) and vetch (Vicia satica L.) were used as cover crops in the cultivation of this plant. In the traditional cultivation of carrot the population of bacteria was the smallest, while after the application of oats it was the largest. Laboratory tests showed that cover crops promoted the development of antagonistic Bacillus spp. and Pseudomonas spp. Irrespective of the experimental treatment, those bacteria were the most effective in limiting the growth and development of Fusarium oxysporum and Thanatephorus cucumeris (syn. Rhizoctonia solani), while being less effective towards Altenaria dauci and Alternaria radicina, and the least towards Sclerotinia sclerotiorum. The best total antagonistic effect of Pseudomonas spp. and Bacillus spp. towards the tested fungi was found after using oats and vetch, while the worst - in the traditional cultivation of carrot.

Keywords: Daucus carota L.; microorganisms; root vegetables; fungal infection (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:63:y:2017:i:6:id:216-2017-pse

DOI: 10.17221/216/2017-PSE

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