Prof. Dr. Fritz Lenz († 2023)

Prof. Dr. Fritz Lenz († 2023)

Professor (em.)

University of Bonn

Former research topics

  • Integrated fruit and vegetable production
  • Blossom and fruit development in citrus cultivars
  • Fruit quality characteristics of apple and oranges as affected by nitrogen, water supply and cultivation methods
  • CO²-gas exchange, dry matter distribution, mineral- and carbohydrate contents of citrus, apple and strawberry plants as dependent on fruit load, nutrition and water supply
  • Sink-Source relationships in pome and berry cultivars
Interests
  • Fruit- and Vegetable Production
  • Effect of raising CO²-concentrations on apple and vegetable cultivars
  • Plant water relationships in apple and vegetable cultivars
  • Nitrate in soil and vegetable cultivars
Education

  • Practical training in agriculture, 1949-1954

  • Studies of Agricultural Sciences, 1954 - 1957

    University Stuttgart- Hohenheim

  • PhD- studies at the Institute for Fruit and Vegetable Research, 1985 - 1960

    University Stuttgart - Hohenheim

  • Research scientist, 1960 - 1965

  • Habilitation, 1965 - 1969

    Faculty of Agriculture, Technical University, Berlin

  • Scientific Councillor and Professor, 1969 - 1971

  • Visiting Professor, 1971 - 1972

    Malay-University in Kuala Lumpur, Malaysia

  • Head of Fruit Research Institute, 1972 - 1976

    Technical University Berlin

  • Director of the Institute for Fruit and Vegetable Research, 1976 - 1998

    University Bonn and of the Experimental Stations Klein-Altendorf and Marhof