ISHS Acta Horticulturae 668: I International Humulus Symposium
MOLECULAR GENETIC HOP (HUMULUS LUPULUS L.) RESEARCH IN SLOVENIA |
| Authors: | B. Javornik, J. Jakše, N. Štajner, P. Kozjak, A. Čerenak |
| Keywords: | Humulus lupulus L., microsatellites, genetic diversity |
| Abstract:
Hop growing has a tradition of more than 100 years in Slovenia, and there is significant agricultural production oriented towards export. The Slovene Institute of Hop Research and Brewing (SIHRB) has released eleven hop varieties, four of which occupy the majority of hop fields in Slovenia. Such a varietal structure emphasizes the importance of “regional” hop breeding and the adaptation of hop varieties to specific growing conditions. Hop genetic studies have been set up in order to assist the hop breeding program at the SIHRB. The main approach of genetic research is rational use of the genetic diversity available from the hop germplasm collection, and gene incorporation or introgression by means of hop genome mapping, marker-assisted selection and/or cloning and genetic transformation. Major effort is directed towards improving hop quality (resin content) and resistance to biotic stresses (Verticillium and damson-hop aphid). We present here our most recent work on the assessment of genetic variability and relationship among geographically diverse wild accessions and hop cultivars by newly developed microsatellite markers. | |
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