Ash dieback caused by a fungal pathogen threatens to destroy whole ash forests across Europe. ZALF and Thünen Institute started a joint project to develop a biological system controlling the pathogen on the basis of microorganisms, which are able to suppress the fungus by antagonistic properties or competition. Using a multiphasic approach, promising bacteria and fungi will be selected and genetically characterized. Their capability to protect ash plant will be tested in vitro and in planta. Finally, microbial preparations are planned to be used in seed orchards for the production of disease-resistant plants.
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