Control

The use of antibiotics is not permitted in Switzerland; moreover, no other medication exists to combat European foul brood. Hives with symptoms must therefore be destroyed in order to limit the outbreak, and the contaminated material must be sanitised. Since prevention is the best cure, early detection is desirable. Numerous studies have been undertaken and documents have been created at the Swiss Bee Research Centre and elsewhere to draw the attention of beekeepers to these problems and inform them about the causes and the control measures to be implemented.

Merkblatt zur erkennung von Bienenbrutkrankheiten (German (PDF, 357 kB, 18.10.2017) and French (PDF, 226 kB, 02.02.2017))
M. Tschumi (2011)

Inoculation and tracking of beneficial microbes reveal they can establish in field-grown potato roots and decrease blemish diseases.

Institutional Repository Agroscope

Darbon G., Declerck S., Riot G., Doubell M., Dupuis B.

Inoculation and tracking of beneficial microbes reveal they can establish in field-grown potato roots and decrease blemish diseases.

Biology and Fertility of Soils, 60, 2024, 699-712.

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Zusammenfassung:

In a three-year feld study, we inoculated two potato varieties with a selection of four benefcial microbial strains (i.e. Rhizophagus irregularis MUCL41833, Trichoderma asperelloides A, Pseudomonas brassicacearum 3Re2-7 and Paraburkholderia phytofrmans PsJN), alone or in combination. Plants were grown under rainfed or irrigated conditions, and potato yield and development of several diseases were evaluated. The microbial inoculants were traced in the root system at diferent stages of crop development via molecular markers. Whatever the water supply, the inoculants had no efect on yield. Conversely, some of the inoculants were able to lower the incidence and/or severity of several blemish diseases, namely common scab-associated symptoms (CSAS) and silver scurf/black dot-associated symptoms (SSAS). Microbial consortia were more efficient in decreasing symptoms compared to single strain inoculations. The best control was obtained with the combination of R. irregularis and P. brassicacearum, which reduced the incidence of CSAS by 22% and severity of SSAS by 21%. Root tracking revealed that P. brassicacearum and P. phytofrmans PsJN were able to establish in the root system of the potato, while only P. brassicacearum was detected from emergence until fowering of the plants.

ISSN Print: 0178-2762
ISSN Online: 1432-0789
Digital Object Identifier (DOI): https://doi.org/10.1007/s00374-024-01822-z
Publikations-ID (Webcode): 58052 Per E-Mail versenden

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Inoculation and tracking of beneficial microbes reveal they can establish in field-grown potato roots and decrease blemish diseases.