Research

The company V. F. HUMULUS Ltd.. was incorporated in 1994. The principal mission of this company is hops-related research in viruses elimination from the Saaz fine aroma hops. The aim is in obtaining qualitatively better Saaz fine aroma hops with increased ability to compete on world markets. The V. F. HUMULUS Ltd. has its head office in Saaz, but the experimental hop gardens have been built up in the village of Destnice, which was the original workplace of Dr. Karel Osvald, who was the significant hop reseacher. This is a traditional hop growing location which fits by its character to Saaz fine aroma hops. Laboratories are located in the village Horesedly, the utility premises of hop processing and stocking plant belonging to the company TOP HOP Ltd.


Biological department

  • Elimination of plant viruses and viroids in the Saaz fine aroma hops (Osvald’s clones 31, 72 and 114),
  • Multiplication of virus free hop plants by in-vitro method,
  • Testing hops for virus presence (ELISA method)
  • Monitoring of re-infections in producing hop gardens planted with virus free Saaz fine aroma hops
  • Own maintenance breeding of the Saaz fine aroma hops
  • Technical and space isolation of virus free Saaz fine aroma hops
  • Testing of foreign hop varieties
  • New varieties breeding

Chemical department

  • Chemical analyses of hops for hop farmers, hop trading companies and breweries
  • Monitoring of Saaz fine aroma hops’ brewing values as well as its virus free form
  • Evaluation of individual harvests in the terms of brewing valuable substances
  • Analyses of pesticide residues (GC-MS, LC-MS)

The V. F. HUMULUS Co. is also engaged in sales and distribution of packed virus free Saaz fine aroma hop rootstocks. We offer virus free Osvald’s clones 31, 72 and 114 that come from own maintenance breeding (health groups VT, VF).


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