Biocontrol of Rhizoctonia solani: complex interaction of biocontrol strains, pathogen and indigenous microbial community in the rhizosphere of lettuce shown by molecular methods

R. Grosch, S. Dealtry, S. Schreiter, Gabriele Berg, L. Mendoca-Hagler, K. Smalla

Research output: Contribution to journalArticlepeer-review

Abstract


Background and aims
Co-inoculation of biocontrol agents with different modes of action is assumed to improve biocontrol activity. The present study aimed to investigate the effects of single or co-inoculation of Trichoderma viride strain GB7 and Serratia plymuthica strain 3Re4-18 on microbial communities in the rhizosphere of lettuce and their ability to suppress Rhizoctonia solani AG1-IB.
Methods
Growth chamber experiments with two different application modes were performed with single or co-inoculation of GB7 and 3Re4-18 in the presence or absence of R. solani. Biocontrol efficacy and plant growth parameters were assessed. Bacterial and fungal communities were analyzed by 16S rRNA gene and ITS fragments PCR-amplified from total community DNA of rhizosphere samples and analyzed by denaturing gradient gel electrophoresis …
Original languageEnglish
Pages (from-to)343-357
JournalPlant and soil
Volume361
DOIs
Publication statusPublished - 2012

Fields of Expertise

  • Sonstiges

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