TY  - THES
T1  - The biocontrol agent Fusarium oxysporum f. sp. strigae - Monitoring its environmental fate and impact on indigenous fungal communities in the rhizosphere of maize
A1  - Zimmermann,Judith
Y1  - 2017/04/12
N2  - The fungal biocontrol agent (BCA) Fusarium oxysporum f. sp. strigae (Fos) has proven to be effective in the suppression of the parasitic weed Striga hermonthica, which causes substantial yield losses in cereals in Sub-Saharan Africa. A prerequisite for widespread implementation of the biocontrol technology is the official registration of the BCA Fos by country authorities in Sub-Saharan Africa. The FAO and OECD institutions established international registration regulations to ensure the environmental safety of microbial BCAs. The present thesis aimed on assessing the potential of the BCA Fos to meet these registration requirements and was, therefore, based on the following two major objectives: 
(1) A specific DNA-based monitoring tool for Fos was developed which allows following its population kinetics in soils as driven by contrasting environmental impacts, such as soil type, plant growth stage and seasonality. 
(2) Risk assessment studies were conducted to assess potential side effects of Fos inoculation on non-target soil microorganisms.

KW  - Striga
KW  - Fusarium oxysporum
KW  - Unkraut
KW  - Herbizid
KW  - Bodenmikrobiologie
KW  - Mykorrhiza
CY  - Hohenheim
PB  - Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim
AD  - Garbenstr. 15, 70593 Stuttgart
UR  - http://opus.uni-hohenheim.de/volltexte/2017/1342
ER  -