125:. His research and development work was in the areas of stress research, aroma development and biotechnological implementation of the findings of microbial processes in juice, wine and wine-associated production areas such as cool climate. New Research fields to be added were genetically modified wine yeasts and risk accompanying research for their use as well as aroma development in wines through the use of microbial mixed cultures. The Geisenheim Yeast Finder supports practitioners in finding suitable yeast for their application.
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118:-binding metabolites were also in the foreground such as studies on origin and avoidance of microbially conditioned false aromas such as acetic acid, ester tone, buckwheat and lactic acid note. New drying technologies simplified the application of pure yeast cultures as dry instant powder and the breeding of cultures regained importance.
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Julius
Wortmann succeeded Goethe as director on 1 April 1903 of the educational institution for wine, fruit and horticulture (the official name since 1901). He held his office as director for a total of 18 years, until 1921. As director, Wortmann led the work of his predecessor and father-in-law
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and the educational establishment acquired the
Geisenheim vineyard ″Fuchsberg″ still famous today comprising 5 ha of grape stock. Under Julius Wortmann it came also to important future-oriented changes. In the course of studies, teaching and examination contents have been adapted consequently.
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In 1924 the "yeast breeding center" was integrated in the "plant physiological experimental station" of the educational and research institute for wine, fruit and vegetables and horticulture under the direction of Prof. Dr.
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became head of the department research on metabolic physiological performance of microorganisms in the medium must. Fermentation process and selection of yeasts with low formation SO
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forming yeasts and their interactions with pure yeasts. Hugo
Schanderl wrote the first book on the microbiology of must and wine.
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In 1932 a renaming of the "Plant
Physiological Experimental Station" to "Botanical Institute" under the direction of Prof. Dr.
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A hundred years after its foundation the "Department of
Microbiology and Biochemistry" came under the direction of Prof. Dr.
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took place. Essential research areas were the systematic treatment of the problematic yeasts, as well as other
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on whose initiative the foundation of the renowned yeast breeding center in 1894 took place under director
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yeasts. This group of yeasts is able to kill other fungi in a process known as necrotrophic
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Rudolf Goethe. In 1905 a modern winery was founded, with a
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production and has started work on biocontrol agents, the
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