Use of a colonization-deficient strain of Escherichia coli in strain combinations for enhanced biocontrol of cucumber seedling diseases

Seed treatments containing combinations of Escherichia coli S17R1 and Burkholderia cepacia Bc‐B provided significantly greater (P ≤ 0.05) suppression of cucumber seedling pathogens in a field soil naturally infested with Pythium and Fusarium spp. than seeds treated individually with strains Bc‐B, S1...

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Bibliographic Details
Published in:Journal of phytopathology 1997-10, Vol.145 (10), p.461-463
Main Authors: Roberts, D.P, Dery, P.D, Mao, W, Hebbar, P.K
Format: Article
Language:English
Subjects:
bacteria
Biological and medical sciences
Biological control
biological control agents
burakholderia cepacia
colonization
colonizing ability
Control
Cucumis sativus
Enterobacter cloacae
Escherichia coli
Fundamental and applied biological sciences. Psychology
Fungal plant pathogens
Fusarium
genotype mixtures
Phytopathology. Animal pests. Plant and forest protection
Pythium ultimum
rhizosphere
seed germination
seedlings
strain differences
testa
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Summary:Seed treatments containing combinations of Escherichia coli S17R1 and Burkholderia cepacia Bc‐B provided significantly greater (P ≤ 0.05) suppression of cucumber seedling pathogens in a field soil naturally infested with Pythium and Fusarium spp. than seeds treated individually with strains Bc‐B, S17R1, or Enterobacter cloacae 501R3. Although strain S17R1 had no effect on disease severity when applied alone and did not colonize cucumber rhizosphere, it enhanced the biocontrol effectiveness of strain Bc‐B.
ISSN:0031-9481
0931-1785
1439-0434
DOI:10.1111/j.1439-0434.1997.tb00350.x